phpmyadmin working

36 files changed, 6473 insertions, 0 deletions

diff --git a/srcs/phpmyadmin/libraries/classes/Config/ConfigFile.php b/srcs/phpmyadmin/libraries/classes/Config/ConfigFile.php
new file mode 100644
index 0000000..1e053dd
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/ConfigFile.php
@@ -0,0 +1,531 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Config file management
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Config;
+use PhpMyAdmin\Core;
+
+/**
+ * Config file management class.
+ * Stores its data in $_SESSION
+ *
+ * @package PhpMyAdmin
+ */
+class ConfigFile
+{
+    /**
+     * Stores default PMA config from config.default.php
+     * @var array
+     */
+    private $_defaultCfg;
+
+    /**
+     * Stores allowed values for non-standard fields
+     * @var array
+     */
+    private $_cfgDb;
+
+    /**
+     * Stores original PMA config, not modified by user preferences
+     * @var array|null
+     */
+    private $_baseCfg;
+
+    /**
+     * Whether we are currently working in PMA Setup context
+     * @var bool
+     */
+    private $_isInSetup;
+
+    /**
+     * Keys which will be always written to config file
+     * @var array
+     */
+    private $_persistKeys = [];
+
+    /**
+     * Changes keys while updating config in {@link updateWithGlobalConfig()}
+     * or reading by {@link getConfig()} or {@link getConfigArray()}
+     * @var array
+     */
+    private $_cfgUpdateReadMapping = [];
+
+    /**
+     * Key filter for {@link set()}
+     * @var array|null
+     */
+    private $_setFilter;
+
+    /**
+     * Instance id (key in $_SESSION array, separate for each server -
+     * ConfigFile{server id})
+     * @var string
+     */
+    private $_id;
+
+    /**
+     * Result for {@link _flattenArray()}
+     * @var array|null
+     */
+    private $_flattenArrayResult;
+
+    /**
+     * Constructor
+     *
+     * @param array|null $baseConfig base configuration read from
+     *                               {@link PhpMyAdmin\Config::$base_config},
+     *                               use only when not in PMA Setup
+     */
+    public function __construct($baseConfig = null)
+    {
+        // load default config values
+        $cfg = &$this->_defaultCfg;
+        include ROOT_PATH . 'libraries/config.default.php';
+
+        // load additional config information
+        $this->_cfgDb = include ROOT_PATH . 'libraries/config.values.php';
+
+        // apply default values overrides
+        if (count($this->_cfgDb['_overrides'])) {
+            foreach ($this->_cfgDb['_overrides'] as $path => $value) {
+                Core::arrayWrite($path, $cfg, $value);
+            }
+        }
+
+        $this->_baseCfg = $baseConfig;
+        $this->_isInSetup = $baseConfig === null;
+        $this->_id = 'ConfigFile' . $GLOBALS['server'];
+        if (! isset($_SESSION[$this->_id])) {
+            $_SESSION[$this->_id] = [];
+        }
+    }
+
+    /**
+     * Sets names of config options which will be placed in config file even if
+     * they are set to their default values (use only full paths)
+     *
+     * @param array $keys the names of the config options
+     *
+     * @return void
+     */
+    public function setPersistKeys(array $keys)
+    {
+        // checking key presence is much faster than searching so move values
+        // to keys
+        $this->_persistKeys = array_flip($keys);
+    }
+
+    /**
+     * Returns flipped array set by {@link setPersistKeys()}
+     *
+     * @return array
+     */
+    public function getPersistKeysMap()
+    {
+        return $this->_persistKeys;
+    }
+
+    /**
+     * By default ConfigFile allows setting of all configuration keys, use
+     * this method to set up a filter on {@link set()} method
+     *
+     * @param array|null $keys array of allowed keys or null to remove filter
+     *
+     * @return void
+     */
+    public function setAllowedKeys($keys)
+    {
+        if ($keys === null) {
+            $this->_setFilter = null;
+            return;
+        }
+        // checking key presence is much faster than searching so move values
+        // to keys
+        $this->_setFilter = array_flip($keys);
+    }
+
+    /**
+     * Sets path mapping for updating config in
+     * {@link updateWithGlobalConfig()} or reading
+     * by {@link getConfig()} or {@link getConfigArray()}
+     *
+     * @param array $mapping Contains the mapping of "Server/config options"
+     *                       to "Server/1/config options"
+     *
+     * @return void
+     */
+    public function setCfgUpdateReadMapping(array $mapping)
+    {
+        $this->_cfgUpdateReadMapping = $mapping;
+    }
+
+    /**
+     * Resets configuration data
+     *
+     * @return void
+     */
+    public function resetConfigData()
+    {
+        $_SESSION[$this->_id] = [];
+    }
+
+    /**
+     * Sets configuration data (overrides old data)
+     *
+     * @param array $cfg Configuration options
+     *
+     * @return void
+     */
+    public function setConfigData(array $cfg)
+    {
+        $_SESSION[$this->_id] = $cfg;
+    }
+
+    /**
+     * Sets config value
+     *
+     * @param string $path          Path
+     * @param mixed  $value         Value
+     * @param string $canonicalPath Canonical path
+     *
+     * @return void
+     */
+    public function set($path, $value, $canonicalPath = null)
+    {
+        if ($canonicalPath === null) {
+            $canonicalPath = $this->getCanonicalPath($path);
+        }
+        // apply key whitelist
+        if ($this->_setFilter !== null
+            && ! isset($this->_setFilter[$canonicalPath])
+        ) {
+            return;
+        }
+        // if the path isn't protected it may be removed
+        if (isset($this->_persistKeys[$canonicalPath])) {
+            Core::arrayWrite($path, $_SESSION[$this->_id], $value);
+            return;
+        }
+
+        $defaultValue = $this->getDefault($canonicalPath);
+        $removePath = $value === $defaultValue;
+        if ($this->_isInSetup) {
+            // remove if it has a default value or is empty
+            $removePath = $removePath
+                || (empty($value) && empty($defaultValue));
+        } else {
+            // get original config values not overwritten by user
+            // preferences to allow for overwriting options set in
+            // config.inc.php with default values
+            $instanceDefaultValue = Core::arrayRead(
+                $canonicalPath,
+                $this->_baseCfg
+            );
+            // remove if it has a default value and base config (config.inc.php)
+            // uses default value
+            $removePath = $removePath
+                && ($instanceDefaultValue === $defaultValue);
+        }
+        if ($removePath) {
+            Core::arrayRemove($path, $_SESSION[$this->_id]);
+            return;
+        }
+
+        Core::arrayWrite($path, $_SESSION[$this->_id], $value);
+    }
+
+    /**
+     * Flattens multidimensional array, changes indices to paths
+     * (eg. 'key/subkey').
+     * Used as array_walk() callback.
+     *
+     * @param mixed $value  Value
+     * @param mixed $key    Key
+     * @param mixed $prefix Prefix
+     *
+     * @return void
+     */
+    private function _flattenArray($value, $key, $prefix)
+    {
+        // no recursion for numeric arrays
+        if (is_array($value) && ! isset($value[0])) {
+            $prefix .= $key . '/';
+            array_walk($value, [$this, '_flattenArray'], $prefix);
+        } else {
+            $this->_flattenArrayResult[$prefix . $key] = $value;
+        }
+    }
+
+    /**
+     * Returns default config in a flattened array
+     *
+     * @return array
+     */
+    public function getFlatDefaultConfig()
+    {
+        $this->_flattenArrayResult = [];
+        array_walk($this->_defaultCfg, [$this, '_flattenArray'], '');
+        $flatConfig = $this->_flattenArrayResult;
+        $this->_flattenArrayResult = null;
+        return $flatConfig;
+    }
+
+    /**
+     * Updates config with values read from given array
+     * (config will contain differences to defaults from config.defaults.php).
+     *
+     * @param array $cfg Configuration
+     *
+     * @return void
+     */
+    public function updateWithGlobalConfig(array $cfg)
+    {
+        // load config array and flatten it
+        $this->_flattenArrayResult = [];
+        array_walk($cfg, [$this, '_flattenArray'], '');
+        $flatConfig = $this->_flattenArrayResult;
+        $this->_flattenArrayResult = null;
+
+        // save values map for translating a few user preferences paths,
+        // should be complemented by code reading from generated config
+        // to perform inverse mapping
+        foreach ($flatConfig as $path => $value) {
+            if (isset($this->_cfgUpdateReadMapping[$path])) {
+                $path = $this->_cfgUpdateReadMapping[$path];
+            }
+            $this->set($path, $value, $path);
+        }
+    }
+
+    /**
+     * Returns config value or $default if it's not set
+     *
+     * @param string $path    Path of config file
+     * @param mixed  $default Default values
+     *
+     * @return mixed
+     */
+    public function get($path, $default = null)
+    {
+        return Core::arrayRead($path, $_SESSION[$this->_id], $default);
+    }
+
+    /**
+     * Returns default config value or $default it it's not set ie. it doesn't
+     * exist in config.default.php ($cfg) and config.values.php
+     * ($_cfg_db['_overrides'])
+     *
+     * @param string $canonicalPath Canonical path
+     * @param mixed  $default       Default value
+     *
+     * @return mixed
+     */
+    public function getDefault($canonicalPath, $default = null)
+    {
+        return Core::arrayRead($canonicalPath, $this->_defaultCfg, $default);
+    }
+
+    /**
+     * Returns config value, if it's not set uses the default one; returns
+     * $default if the path isn't set and doesn't contain a default value
+     *
+     * @param string $path    Path
+     * @param mixed  $default Default value
+     *
+     * @return mixed
+     */
+    public function getValue($path, $default = null)
+    {
+        $v = Core::arrayRead($path, $_SESSION[$this->_id], null);
+        if ($v !== null) {
+            return $v;
+        }
+        $path = $this->getCanonicalPath($path);
+        return $this->getDefault($path, $default);
+    }
+
+    /**
+     * Returns canonical path
+     *
+     * @param string $path Path
+     *
+     * @return string
+     */
+    public function getCanonicalPath($path)
+    {
+        return preg_replace('#^Servers/([\d]+)/#', 'Servers/1/', $path);
+    }
+
+    /**
+     * Returns config database entry for $path
+     *
+     * @param string $path    path of the variable in config db
+     * @param mixed  $default default value
+     *
+     * @return mixed
+     */
+    public function getDbEntry($path, $default = null)
+    {
+        return Core::arrayRead($path, $this->_cfgDb, $default);
+    }
+
+    /**
+     * Returns server count
+     *
+     * @return int
+     */
+    public function getServerCount()
+    {
+        return isset($_SESSION[$this->_id]['Servers'])
+            ? count($_SESSION[$this->_id]['Servers'])
+            : 0;
+    }
+
+    /**
+     * Returns server list
+     *
+     * @return array|null
+     */
+    public function getServers()
+    {
+        return isset($_SESSION[$this->_id]['Servers'])
+            ? $_SESSION[$this->_id]['Servers']
+            : null;
+    }
+
+    /**
+     * Returns DSN of given server
+     *
+     * @param integer $server server index
+     *
+     * @return string
+     */
+    public function getServerDSN($server)
+    {
+        if (! isset($_SESSION[$this->_id]['Servers'][$server])) {
+            return '';
+        }
+
+        $path = 'Servers/' . $server;
+        $dsn = 'mysqli://';
+        if ($this->getValue("$path/auth_type") == 'config') {
+            $dsn .= $this->getValue("$path/user");
+            if (! empty($this->getValue("$path/password"))) {
+                $dsn .= ':***';
+            }
+            $dsn .= '@';
+        }
+        if ($this->getValue("$path/host") != 'localhost') {
+            $dsn .= $this->getValue("$path/host");
+            $port = $this->getValue("$path/port");
+            if ($port) {
+                $dsn .= ':' . $port;
+            }
+        } else {
+            $dsn .= $this->getValue("$path/socket");
+        }
+        return $dsn;
+    }
+
+    /**
+     * Returns server name
+     *
+     * @param int $id server index
+     *
+     * @return string
+     */
+    public function getServerName($id)
+    {
+        if (! isset($_SESSION[$this->_id]['Servers'][$id])) {
+            return '';
+        }
+        $verbose = $this->get("Servers/$id/verbose");
+        if (! empty($verbose)) {
+            return $verbose;
+        }
+        $host = $this->get("Servers/$id/host");
+        return empty($host) ? 'localhost' : $host;
+    }
+
+    /**
+     * Removes server
+     *
+     * @param int $server server index
+     *
+     * @return void
+     */
+    public function removeServer($server)
+    {
+        if (! isset($_SESSION[$this->_id]['Servers'][$server])) {
+            return;
+        }
+        $lastServer = $this->getServerCount();
+
+        for ($i = $server; $i < $lastServer; $i++) {
+            $_SESSION[$this->_id]['Servers'][$i]
+                = $_SESSION[$this->_id]['Servers'][$i + 1];
+        }
+        unset($_SESSION[$this->_id]['Servers'][$lastServer]);
+
+        if (isset($_SESSION[$this->_id]['ServerDefault'])
+            && $_SESSION[$this->_id]['ServerDefault'] == $lastServer
+        ) {
+            unset($_SESSION[$this->_id]['ServerDefault']);
+        }
+    }
+
+    /**
+     * Returns configuration array (full, multidimensional format)
+     *
+     * @return array
+     */
+    public function getConfig()
+    {
+        $c = $_SESSION[$this->_id];
+        foreach ($this->_cfgUpdateReadMapping as $mapTo => $mapFrom) {
+            // if the key $c exists in $map_to
+            if (Core::arrayRead($mapTo, $c) !== null) {
+                Core::arrayWrite($mapTo, $c, Core::arrayRead($mapFrom, $c));
+                Core::arrayRemove($mapFrom, $c);
+            }
+        }
+        return $c;
+    }
+
+    /**
+     * Returns configuration array (flat format)
+     *
+     * @return array
+     */
+    public function getConfigArray()
+    {
+        $this->_flattenArrayResult = [];
+        array_walk($_SESSION[$this->_id], [$this, '_flattenArray'], '');
+        $c = $this->_flattenArrayResult;
+        $this->_flattenArrayResult = null;
+
+        $persistKeys = array_diff(
+            array_keys($this->_persistKeys),
+            array_keys($c)
+        );
+        foreach ($persistKeys as $k) {
+            $c[$k] = $this->getDefault($this->getCanonicalPath($k));
+        }
+
+        foreach ($this->_cfgUpdateReadMapping as $mapTo => $mapFrom) {
+            if (! isset($c[$mapFrom])) {
+                continue;
+            }
+            $c[$mapTo] = $c[$mapFrom];
+            unset($c[$mapFrom]);
+        }
+        return $c;
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Descriptions.php b/srcs/phpmyadmin/libraries/classes/Config/Descriptions.php
new file mode 100644
index 0000000..22e7c1f
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Descriptions.php
@@ -0,0 +1,934 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Verbose descriptions for settings.
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Sanitize;
+
+/**
+ * Base class for forms, loads default configuration options, checks allowed
+ * values etc.
+ *
+ * @package PhpMyAdmin
+ */
+class Descriptions
+{
+    /**
+     * Return
+     * Return name or description for a configuration path.
+     *
+     * @param string $path Path of configuration
+     * @param string $type Type of message, either 'name', 'cmt' or 'desc'
+     *
+     * @return string
+     */
+    public static function get($path, $type = 'name')
+    {
+        $key = str_replace(
+            [
+                'Servers/1/',
+                '/',
+            ],
+            [
+                'Servers/',
+                '_',
+            ],
+            $path
+        );
+        $value = self::getString($key, $type);
+
+        /* Fallback to path for name and empty string for description and comment */
+        if ($value === null) {
+            if ($type == 'name') {
+                $value = $path;
+            } else {
+                $value = '';
+            }
+        }
+
+        return Sanitize::sanitizeMessage($value);
+    }
+
+    /**
+     * Return name or description for a cleaned up configuration path.
+     *
+     * @param string $path Path of configuration
+     * @param string $type Type of message, either 'name', 'cmt' or 'desc'
+     *
+     * @return string|null Null if not found
+     */
+    public static function getString($path, $type = 'name')
+    {
+        $descriptions = [
+            'AllowArbitraryServer_desc' => __('If enabled, user can enter any MySQL server in login form for cookie auth.'),
+            'AllowArbitraryServer_name' => __('Allow login to any MySQL server'),
+            'ArbitraryServerRegexp_desc' => __(
+                'Restricts the MySQL servers the user can enter when a login to an arbitrary '
+                . 'MySQL server is enabled by matching the IP or hostname of the MySQL server ' .
+                'to the given regular expression.'
+            ),
+            'ArbitraryServerRegexp_name' => __('Restrict login to MySQL server'),
+            'AllowThirdPartyFraming_desc' => __(
+                'Enabling this allows a page located on a different domain to call phpMyAdmin '
+                . 'inside a frame, and is a potential [strong]security hole[/strong] allowing '
+                . 'cross-frame scripting (XSS) attacks.'
+            ),
+            'AllowThirdPartyFraming_name' => __('Allow third party framing'),
+            'AllowUserDropDatabase_name' => __('Show "Drop database" link to normal users'),
+            'blowfish_secret_desc' => __(
+                'Secret passphrase used for encrypting cookies in [kbd]cookie[/kbd] '
+                . 'authentication.'
+            ),
+            'blowfish_secret_name' => __('Blowfish secret'),
+            'BrowseMarkerEnable_desc' => __('Highlight selected rows.'),
+            'BrowseMarkerEnable_name' => __('Row marker'),
+            'BrowsePointerEnable_desc' => __('Highlight row pointed by the mouse cursor.'),
+            'BrowsePointerEnable_name' => __('Highlight pointer'),
+            'BZipDump_desc' => __(
+                'Enable bzip2 compression for'
+                . ' import operations.'
+            ),
+            'BZipDump_name' => __('Bzip2'),
+            'CharEditing_desc' => __(
+                'Defines which type of editing controls should be used for CHAR and VARCHAR '
+                . 'columns; [kbd]input[/kbd] - allows limiting of input length, '
+                . '[kbd]textarea[/kbd] - allows newlines in columns.'
+            ),
+            'CharEditing_name' => __('CHAR columns editing'),
+            'CodemirrorEnable_desc' => __(
+                'Use user-friendly editor for editing SQL queries '
+                . '(CodeMirror) with syntax highlighting and '
+                . 'line numbers.'
+            ),
+            'CodemirrorEnable_name' => __('Enable CodeMirror'),
+            'LintEnable_desc' => __(
+                'Find any errors in the query before executing it.'
+                . ' Requires CodeMirror to be enabled.'
+            ),
+            'LintEnable_name' => __('Enable linter'),
+            'MinSizeForInputField_desc' => __(
+                'Defines the minimum size for input fields generated for CHAR and VARCHAR '
+                . 'columns.'
+            ),
+            'MinSizeForInputField_name' => __('Minimum size for input field'),
+            'MaxSizeForInputField_desc' => __(
+                'Defines the maximum size for input fields generated for CHAR and VARCHAR '
+                . 'columns.'
+            ),
+            'MaxSizeForInputField_name' => __('Maximum size for input field'),
+            'CharTextareaCols_desc' => __('Number of columns for CHAR/VARCHAR textareas.'),
+            'CharTextareaCols_name' => __('CHAR textarea columns'),
+            'CharTextareaRows_desc' => __('Number of rows for CHAR/VARCHAR textareas.'),
+            'CharTextareaRows_name' => __('CHAR textarea rows'),
+            'CheckConfigurationPermissions_name' => __('Check config file permissions'),
+            'CompressOnFly_desc' => __(
+                'Compress gzip exports on the fly without the need for much memory; if '
+                . 'you encounter problems with created gzip files disable this feature.'
+            ),
+            'CompressOnFly_name' => __('Compress on the fly'),
+            'Confirm_desc' => __(
+                'Whether a warning ("Are your really sure…") should be displayed '
+                . 'when you\'re about to lose data.'
+            ),
+            'Confirm_name' => __('Confirm DROP queries'),
+            'DBG_sql_desc' => __('Log SQL queries and their execution time, to be displayed in the console'),
+            'DBG_sql_name' => __('Debug SQL'),
+            'DefaultTabDatabase_desc' => __('Tab that is displayed when entering a database.'),
+            'DefaultTabDatabase_name' => __('Default database tab'),
+            'DefaultTabServer_desc' => __('Tab that is displayed when entering a server.'),
+            'DefaultTabServer_name' => __('Default server tab'),
+            'DefaultTabTable_desc' => __('Tab that is displayed when entering a table.'),
+            'DefaultTabTable_name' => __('Default table tab'),
+            'EnableAutocompleteForTablesAndColumns_desc' => __('Autocomplete of the table and column names in the SQL queries.'),
+            'EnableAutocompleteForTablesAndColumns_name' => __('Enable autocomplete for table and column names'),
+            'HideStructureActions_desc' => __('Whether the table structure actions should be hidden.'),
+            'ShowColumnComments_name' => __('Show column comments'),
+            'ShowColumnComments_desc' => __('Whether column comments should be shown in table structure view'),
+            'HideStructureActions_name' => __('Hide table structure actions'),
+            'DefaultTransformations_Hex_name' => __('Default transformations for Hex'),
+            'DefaultTransformations_Hex_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+            'DefaultTransformations_Substring_name' => __('Default transformations for Substring'),
+            'DefaultTransformations_Substring_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+            'DefaultTransformations_Bool2Text_name' => __('Default transformations for Bool2Text'),
+            'DefaultTransformations_Bool2Text_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+            'DefaultTransformations_External_name' => __('Default transformations for External'),
+            'DefaultTransformations_External_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+            'DefaultTransformations_PreApPend_name' => __('Default transformations for PreApPend'),
+            'DefaultTransformations_PreApPend_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+            'DefaultTransformations_DateFormat_name' => __('Default transformations for DateFormat'),
+            'DefaultTransformations_DateFormat_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+            'DefaultTransformations_Inline_name' => __('Default transformations for Inline'),
+            'DefaultTransformations_Inline_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+            'DefaultTransformations_TextImageLink_name' => __('Default transformations for TextImageLink'),
+            'DefaultTransformations_TextImageLink_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+            'DefaultTransformations_TextLink_name' => __('Default transformations for TextLink'),
+            'DefaultTransformations_TextLink_desc' => __('Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.'),
+
+            'DisplayServersList_desc' => __('Show server listing as a list instead of a drop down.'),
+            'DisplayServersList_name' => __('Display servers as a list'),
+            'DisableMultiTableMaintenance_desc' => __(
+                'Disable the table maintenance mass operations, like optimizing or repairing '
+                . 'the selected tables of a database.'
+            ),
+            'DisableMultiTableMaintenance_name' => __('Disable multi table maintenance'),
+            'ExecTimeLimit_desc' => __(
+                'Set the number of seconds a script is allowed to run ([kbd]0[/kbd] for no '
+                . 'limit).'
+            ),
+            'ExecTimeLimit_name' => __('Maximum execution time'),
+            'Export_lock_tables_name' => sprintf(
+                __('Use %s statement'),
+                htmlspecialchars('<code>LOCK TABLES</code>')
+            ),
+            'Export_asfile_name' => __('Save as file'),
+            'Export_charset_name' => __('Character set of the file'),
+            'Export_codegen_format_name' => __('Format'),
+            'Export_compression_name' => __('Compression'),
+            'Export_csv_columns_name' => __('Put columns names in the first row'),
+            'Export_csv_enclosed_name' => __('Columns enclosed with'),
+            'Export_csv_escaped_name' => __('Columns escaped with'),
+            'Export_csv_null_name' => __('Replace NULL with'),
+            'Export_csv_removeCRLF_name' => __('Remove CRLF characters within columns'),
+            'Export_csv_separator_name' => __('Columns terminated with'),
+            'Export_csv_terminated_name' => __('Lines terminated with'),
+            'Export_excel_columns_name' => __('Put columns names in the first row'),
+            'Export_excel_edition_name' => __('Excel edition'),
+            'Export_excel_null_name' => __('Replace NULL with'),
+            'Export_excel_removeCRLF_name' => __('Remove CRLF characters within columns'),
+            'Export_file_template_database_name' => __('Database name template'),
+            'Export_file_template_server_name' => __('Server name template'),
+            'Export_file_template_table_name' => __('Table name template'),
+            'Export_format_name' => __('Format'),
+            'Export_htmlword_columns_name' => __('Put columns names in the first row'),
+            'Export_htmlword_null_name' => __('Replace NULL with'),
+            'Export_htmlword_structure_or_data_name' => __('Dump table'),
+            'Export_latex_caption_name' => __('Include table caption'),
+            'Export_latex_columns_name' => __('Put columns names in the first row'),
+            'Export_latex_comments_name' => __('Comments'),
+            'Export_latex_data_caption_name' => __('Table caption'),
+            'Export_latex_data_continued_caption_name' => __('Continued table caption'),
+            'Export_latex_data_label_name' => __('Label key'),
+            'Export_latex_mime_name' => __('Media (MIME) type'),
+            'Export_latex_null_name' => __('Replace NULL with'),
+            'Export_latex_relation_name' => __('Relationships'),
+            'Export_latex_structure_caption_name' => __('Table caption'),
+            'Export_latex_structure_continued_caption_name' => __('Continued table caption'),
+            'Export_latex_structure_label_name' => __('Label key'),
+            'Export_latex_structure_or_data_name' => __('Dump table'),
+            'Export_method_name' => __('Export method'),
+            'Export_ods_columns_name' => __('Put columns names in the first row'),
+            'Export_ods_null_name' => __('Replace NULL with'),
+            'Export_odt_columns_name' => __('Put columns names in the first row'),
+            'Export_odt_comments_name' => __('Comments'),
+            'Export_odt_mime_name' => __('Media (MIME) type'),
+            'Export_odt_null_name' => __('Replace NULL with'),
+            'Export_odt_relation_name' => __('Relationships'),
+            'Export_odt_structure_or_data_name' => __('Dump table'),
+            'Export_onserver_name' => __('Save on server'),
+            'Export_onserver_overwrite_name' => __('Overwrite existing file(s)'),
+            'Export_as_separate_files_name' => __('Export as separate files'),
+            'Export_quick_export_onserver_name' => __('Save on server'),
+            'Export_quick_export_onserver_overwrite_name' => __('Overwrite existing file(s)'),
+            'Export_remember_file_template_name' => __('Remember file name template'),
+            'Export_sql_auto_increment_name' => __('Add AUTO_INCREMENT value'),
+            'Export_sql_backquotes_name' => __('Enclose table and column names with backquotes'),
+            'Export_sql_compatibility_name' => __('SQL compatibility mode'),
+            'Export_sql_dates_name' => __('Creation/Update/Check dates'),
+            'Export_sql_delayed_name' => __('Use delayed inserts'),
+            'Export_sql_disable_fk_name' => __('Disable foreign key checks'),
+            'Export_sql_views_as_tables_name' => __('Export views as tables'),
+            'Export_sql_metadata_name' => __('Export related metadata from phpMyAdmin configuration storage'),
+            'Export_sql_create_database_name' => sprintf(__('Add %s'), 'CREATE DATABASE / USE'),
+            'Export_sql_drop_database_name' => sprintf(__('Add %s'), 'DROP DATABASE'),
+            'Export_sql_drop_table_name' => sprintf(
+                __('Add %s'),
+                'DROP TABLE / VIEW / PROCEDURE / FUNCTION / EVENT / TRIGGER'
+            ),
+            'Export_sql_create_table_name' => sprintf(__('Add %s'), 'CREATE TABLE'),
+            'Export_sql_create_view_name' => sprintf(__('Add %s'), 'CREATE VIEW'),
+            'Export_sql_create_trigger_name' => sprintf(__('Add %s'), 'CREATE TRIGGER'),
+            'Export_sql_hex_for_binary_name' => __('Use hexadecimal for BINARY & BLOB'),
+            'Export_sql_if_not_exists_name' => __(
+                'Add IF NOT EXISTS (less efficient as indexes will be generated during'
+                . ' table creation)'
+            ),
+            'Export_sql_view_current_user' => __('Exclude definition of current user'),
+            'Export_sql_or_replace_view_name' => sprintf(__('%s view'), 'OR REPLACE'),
+            'Export_sql_ignore_name' => __('Use ignore inserts'),
+            'Export_sql_include_comments_name' => __('Comments'),
+            'Export_sql_insert_syntax_name' => __('Syntax to use when inserting data'),
+            'Export_sql_max_query_size_name' => __('Maximal length of created query'),
+            'Export_sql_mime_name' => __('Media (MIME) type'),
+            'Export_sql_procedure_function_name' => sprintf(__('Add %s'), 'CREATE PROCEDURE / FUNCTION / EVENT'),
+            'Export_sql_relation_name' => __('Relationships'),
+            'Export_sql_structure_or_data_name' => __('Dump table'),
+            'Export_sql_type_name' => __('Export type'),
+            'Export_sql_use_transaction_name' => __('Enclose export in a transaction'),
+            'Export_sql_utc_time_name' => __('Export time in UTC'),
+            'Export_texytext_columns_name' => __('Put columns names in the first row'),
+            'Export_texytext_null_name' => __('Replace NULL with'),
+            'Export_texytext_structure_or_data_name' => __('Dump table'),
+            'ForeignKeyDropdownOrder_desc' => __(
+                'Sort order for items in a foreign-key dropdown box; [kbd]content[/kbd] is '
+                . 'the referenced data, [kbd]id[/kbd] is the key value.'
+            ),
+            'ForeignKeyDropdownOrder_name' => __('Foreign key dropdown order'),
+            'ForeignKeyMaxLimit_desc' => __('A dropdown will be used if fewer items are present.'),
+            'ForeignKeyMaxLimit_name' => __('Foreign key limit'),
+            'DefaultForeignKeyChecks_desc' => __('Default value for foreign key checks checkbox for some queries.'),
+            'DefaultForeignKeyChecks_name' => __('Foreign key checks'),
+            'Form_Browse_name' => __('Browse mode'),
+            'Form_Browse_desc' => __('Customize browse mode.'),
+            'Form_CodeGen_name' => 'CodeGen',
+            'Form_CodeGen_desc' => __('Customize default options.'),
+            'Form_Csv_name' => __('CSV'),
+            'Form_Csv_desc' => __('Customize default options.'),
+            'Form_Developer_name' => __('Developer'),
+            'Form_Developer_desc' => __('Settings for phpMyAdmin developers.'),
+            'Form_Edit_name' => __('Edit mode'),
+            'Form_Edit_desc' => __('Customize edit mode.'),
+            'Form_Export_defaults_name' => __('Export defaults'),
+            'Form_Export_defaults_desc' => __('Customize default export options.'),
+            'Form_General_name' => __('General'),
+            'Form_General_desc' => __('Set some commonly used options.'),
+            'Form_Import_defaults_name' => __('Import defaults'),
+            'Form_Import_defaults_desc' => __('Customize default common import options.'),
+            'Form_Import_export_name' => __('Import / export'),
+            'Form_Import_export_desc' => __('Set import and export directories and compression options.'),
+            'Form_Latex_name' => __('LaTeX'),
+            'Form_Latex_desc' => __('Customize default options.'),
+            'Form_Navi_databases_name' => __('Databases'),
+            'Form_Navi_databases_desc' => __('Databases display options.'),
+            'Form_Navi_panel_name' => __('Navigation panel'),
+            'Form_Navi_panel_desc' => __('Customize appearance of the navigation panel.'),
+            'Form_Navi_tree_name' => __('Navigation tree'),
+            'Form_Navi_tree_desc' => __('Customize the navigation tree.'),
+            'Form_Navi_servers_name' => __('Servers'),
+            'Form_Navi_servers_desc' => __('Servers display options.'),
+            'Form_Navi_tables_name' => __('Tables'),
+            'Form_Navi_tables_desc' => __('Tables display options.'),
+            'Form_Main_panel_name' => __('Main panel'),
+            'Form_Microsoft_Office_name' => __('Microsoft Office'),
+            'Form_Microsoft_Office_desc' => __('Customize default options.'),
+            'Form_Open_Document_name' => 'OpenDocument',
+            'Form_Open_Document_desc' => __('Customize default options.'),
+            'Form_Other_core_settings_name' => __('Other core settings'),
+            'Form_Other_core_settings_desc' => __('Settings that didn\'t fit anywhere else.'),
+            'Form_Page_titles_name' => __('Page titles'),
+            'Form_Page_titles_desc' => __(
+                'Specify browser\'s title bar text. Refer to '
+                . '[doc@faq6-27]documentation[/doc] for magic strings that can be used '
+                . 'to get special values.'
+            ),
+            'Form_Security_name' => __('Security'),
+            'Form_Security_desc' => __(
+                'Please note that phpMyAdmin is just a user interface and its features do not '
+                . 'limit MySQL.'
+            ),
+            'Form_Server_name' => __('Basic settings'),
+            'Form_Server_auth_name' => __('Authentication'),
+            'Form_Server_auth_desc' => __('Authentication settings.'),
+            'Form_Server_config_name' => __('Server configuration'),
+            'Form_Server_config_desc' => __(
+                'Advanced server configuration, do not change these options unless you know '
+                . 'what they are for.'
+            ),
+            'Form_Server_desc' => __('Enter server connection parameters.'),
+            'Form_Server_pmadb_name' => __('Configuration storage'),
+            'Form_Server_pmadb_desc' => __(
+                'Configure phpMyAdmin configuration storage to gain access to additional '
+                . 'features, see [doc@linked-tables]phpMyAdmin configuration storage[/doc] in '
+                . 'documentation.'
+            ),
+            'Form_Server_tracking_name' => __('Changes tracking'),
+            'Form_Server_tracking_desc' => __(
+                'Tracking of changes made in database. Requires the phpMyAdmin configuration '
+                . 'storage.'
+            ),
+            'Form_Sql_name' => __('SQL'),
+            'Form_Sql_box_name' => __('SQL Query box'),
+            'Form_Sql_box_desc' => __('Customize links shown in SQL Query boxes.'),
+            'Form_Sql_desc' => __('Customize default options.'),
+            'Form_Sql_queries_name' => __('SQL queries'),
+            'Form_Sql_queries_desc' => __('SQL queries settings.'),
+            'Form_Startup_name' => __('Startup'),
+            'Form_Startup_desc' => __('Customize startup page.'),
+            'Form_DbStructure_name' => __('Database structure'),
+            'Form_DbStructure_desc' => __('Choose which details to show in the database structure (list of tables).'),
+            'Form_TableStructure_name' => __('Table structure'),
+            'Form_TableStructure_desc' => __('Settings for the table structure (list of columns).'),
+            'Form_Tabs_name' => __('Tabs'),
+            'Form_Tabs_desc' => __('Choose how you want tabs to work.'),
+            'Form_DisplayRelationalSchema_name' => __('Display relational schema'),
+            'Form_DisplayRelationalSchema_desc' => '',
+            'PDFDefaultPageSize_name' => __('Paper size'),
+            'PDFDefaultPageSize_desc' => '',
+            'Form_Databases_name' => __('Databases'),
+            'Form_Text_fields_name' => __('Text fields'),
+            'Form_Text_fields_desc' => __('Customize text input fields.'),
+            'Form_Texy_name' => __('Texy! text'),
+            'Form_Texy_desc' => __('Customize default options'),
+            'Form_Warnings_name' => __('Warnings'),
+            'Form_Warnings_desc' => __('Disable some of the warnings shown by phpMyAdmin.'),
+            'Form_Console_name' => __('Console'),
+            'GZipDump_desc' => __(
+                'Enable gzip compression for import '
+                . 'and export operations.'
+            ),
+            'GZipDump_name' => __('GZip'),
+            'IconvExtraParams_name' => __('Extra parameters for iconv'),
+            'IgnoreMultiSubmitErrors_desc' => __(
+                'If enabled, phpMyAdmin continues computing multiple-statement queries even if '
+                . 'one of the queries failed.'
+            ),
+            'IgnoreMultiSubmitErrors_name' => __('Ignore multiple statement errors'),
+            'Import_allow_interrupt_desc' => __(
+                'Allow interrupt of import in case script detects it is close to time limit. '
+                . 'This might be a good way to import large files, however it can break '
+                . 'transactions.'
+            ),
+            'enable_drag_drop_import_name' => __('Enable drag and drop import'),
+            'enable_drag_drop_import_desc' => __('Uncheck the checkbox to disable drag and drop import'),
+            'Import_allow_interrupt_name' => __('Partial import: allow interrupt'),
+            'Import_charset_name' => __('Character set of the file'),
+            'Import_csv_col_names_name' => __('Lines terminated with'),
+            'Import_csv_enclosed_name' => __('Columns enclosed with'),
+            'Import_csv_escaped_name' => __('Columns escaped with'),
+            'Import_csv_ignore_name' => __('Do not abort on INSERT error'),
+            'Import_csv_replace_name' => __('Add ON DUPLICATE KEY UPDATE'),
+            'Import_csv_replace_desc' => __('Update data when duplicate keys found on import'),
+            'Import_csv_terminated_name' => __('Columns terminated with'),
+            'Import_format_desc' => __(
+                'Default format; be aware that this list depends on location (database, table) '
+                . 'and only SQL is always available.'
+            ),
+            'Import_format_name' => __('Format of imported file'),
+            'Import_ldi_enclosed_name' => __('Columns enclosed with'),
+            'Import_ldi_escaped_name' => __('Columns escaped with'),
+            'Import_ldi_ignore_name' => __('Do not abort on INSERT error'),
+            'Import_ldi_local_option_name' => __('Use LOCAL keyword'),
+            'Import_ldi_replace_name' => __('Add ON DUPLICATE KEY UPDATE'),
+            'Import_ldi_replace_desc' => __('Update data when duplicate keys found on import'),
+            'Import_ldi_terminated_name' => __('Columns terminated with'),
+            'Import_ods_col_names_name' => __('Column names in first row'),
+            'Import_ods_empty_rows_name' => __('Do not import empty rows'),
+            'Import_ods_recognize_currency_name' => __('Import currencies ($5.00 to 5.00)'),
+            'Import_ods_recognize_percentages_name' => __('Import percentages as proper decimals (12.00% to .12)'),
+            'Import_skip_queries_desc' => __('Number of queries to skip from start.'),
+            'Import_skip_queries_name' => __('Partial import: skip queries'),
+            'Import_sql_compatibility_name' => __('SQL compatibility mode'),
+            'Import_sql_no_auto_value_on_zero_name' => __('Do not use AUTO_INCREMENT for zero values'),
+            'Import_sql_read_as_multibytes_name' => __('Read as multibytes'),
+            'InitialSlidersState_name' => __('Initial state for sliders'),
+            'InsertRows_desc' => __('How many rows can be inserted at one time.'),
+            'InsertRows_name' => __('Number of inserted rows'),
+            'LimitChars_desc' => __('Maximum number of characters shown in any non-numeric column on browse view.'),
+            'LimitChars_name' => __('Limit column characters'),
+            'LoginCookieDeleteAll_desc' => __(
+                'If TRUE, logout deletes cookies for all servers; when set to FALSE, logout '
+                . 'only occurs for the current server. Setting this to FALSE makes it easy to '
+                . 'forget to log out from other servers when connected to multiple servers.'
+            ),
+            'LoginCookieDeleteAll_name' => __('Delete all cookies on logout'),
+            'LoginCookieRecall_desc' => __(
+                'Define whether the previous login should be recalled or not in '
+                . '[kbd]cookie[/kbd] authentication mode.'
+            ),
+            'LoginCookieRecall_name' => __('Recall user name'),
+            'LoginCookieStore_desc' => __(
+                'Defines how long (in seconds) a login cookie should be stored in browser. '
+                . 'The default of 0 means that it will be kept for the existing session only, '
+                . 'and will be deleted as soon as you close the browser window. This is '
+                . 'recommended for non-trusted environments.'
+            ),
+            'LoginCookieStore_name' => __('Login cookie store'),
+            'LoginCookieValidity_desc' => __('Define how long (in seconds) a login cookie is valid.'),
+            'LoginCookieValidity_name' => __('Login cookie validity'),
+            'LongtextDoubleTextarea_desc' => __('Double size of textarea for LONGTEXT columns.'),
+            'LongtextDoubleTextarea_name' => __('Bigger textarea for LONGTEXT'),
+            'MaxCharactersInDisplayedSQL_desc' => __('Maximum number of characters used when a SQL query is displayed.'),
+            'MaxCharactersInDisplayedSQL_name' => __('Maximum displayed SQL length'),
+            'MaxDbList_cmt' => __('Users cannot set a higher value'),
+            'MaxDbList_desc' => __('Maximum number of databases displayed in database list.'),
+            'MaxDbList_name' => __('Maximum databases'),
+            'FirstLevelNavigationItems_desc' => __(
+                'The number of items that can be displayed on each page on the first level'
+                . ' of the navigation tree.'
+            ),
+            'FirstLevelNavigationItems_name' => __('Maximum items on first level'),
+            'MaxNavigationItems_desc' => __('The number of items that can be displayed on each page of the navigation tree.'),
+            'MaxNavigationItems_name' => __('Maximum items in branch'),
+            'MaxRows_desc' => __(
+                'Number of rows displayed when browsing a result set. If the result set '
+                . 'contains more rows, "Previous" and "Next" links will be '
+                . 'shown.'
+            ),
+            'MaxRows_name' => __('Maximum number of rows to display'),
+            'MaxTableList_cmt' => __('Users cannot set a higher value'),
+            'MaxTableList_desc' => __('Maximum number of tables displayed in table list.'),
+            'MaxTableList_name' => __('Maximum tables'),
+            'MemoryLimit_desc' => __(
+                'The number of bytes a script is allowed to allocate, eg. [kbd]32M[/kbd] '
+                . '([kbd]-1[/kbd] for no limit and [kbd]0[/kbd] for no change).'
+            ),
+            'MemoryLimit_name' => __('Memory limit'),
+            'ShowDatabasesNavigationAsTree_desc' => __('In the navigation panel, replaces the database tree with a selector'),
+            'ShowDatabasesNavigationAsTree_name' => __('Show databases navigation as tree'),
+            'NavigationWidth_name' => __('Navigation panel width'),
+            'NavigationWidth_desc' => __('Set to 0 to collapse navigation panel.'),
+            'NavigationLinkWithMainPanel_desc' => __('Link with main panel by highlighting the current database or table.'),
+            'NavigationLinkWithMainPanel_name' => __('Link with main panel'),
+            'NavigationDisplayLogo_desc' => __('Show logo in navigation panel.'),
+            'NavigationDisplayLogo_name' => __('Display logo'),
+            'NavigationLogoLink_desc' => __('URL where logo in the navigation panel will point to.'),
+            'NavigationLogoLink_name' => __('Logo link URL'),
+            'NavigationLogoLinkWindow_desc' => __(
+                'Open the linked page in the main window ([kbd]main[/kbd]) or in a new one '
+                . '([kbd]new[/kbd]).'
+            ),
+            'NavigationLogoLinkWindow_name' => __('Logo link target'),
+            'NavigationDisplayServers_desc' => __('Display server choice at the top of the navigation panel.'),
+            'NavigationDisplayServers_name' => __('Display servers selection'),
+            'NavigationTreeDefaultTabTable_name' => __('Target for quick access icon'),
+            'NavigationTreeDefaultTabTable2_name' => __('Target for second quick access icon'),
+            'NavigationTreeDisplayItemFilterMinimum_desc' => __(
+                'Defines the minimum number of items (tables, views, routines and events) to '
+                . 'display a filter box.'
+            ),
+            'NavigationTreeDisplayItemFilterMinimum_name' => __('Minimum number of items to display the filter box'),
+            'NavigationTreeDisplayDbFilterMinimum_name' => __('Minimum number of databases to display the database filter box'),
+            'NavigationTreeEnableGrouping_desc' => __(
+                'Group items in the navigation tree (determined by the separator defined in ' .
+                'the Databases and Tables tabs above).'
+            ),
+            'NavigationTreeEnableGrouping_name' => __('Group items in the tree'),
+            'NavigationTreeDbSeparator_desc' => __('String that separates databases into different tree levels.'),
+            'NavigationTreeDbSeparator_name' => __('Database tree separator'),
+            'NavigationTreeTableSeparator_desc' => __('String that separates tables into different tree levels.'),
+            'NavigationTreeTableSeparator_name' => __('Table tree separator'),
+            'NavigationTreeTableLevel_name' => __('Maximum table tree depth'),
+            'NavigationTreePointerEnable_desc' => __('Highlight server under the mouse cursor.'),
+            'NavigationTreePointerEnable_name' => __('Enable highlighting'),
+            'NavigationTreeEnableExpansion_desc' => __('Whether to offer the possibility of tree expansion in the navigation panel.'),
+            'NavigationTreeEnableExpansion_name' => __('Enable navigation tree expansion'),
+            'NavigationTreeShowTables_name' => __('Show tables in tree'),
+            'NavigationTreeShowTables_desc' => __('Whether to show tables under database in the navigation tree'),
+            'NavigationTreeShowViews_name' => __('Show views in tree'),
+            'NavigationTreeShowViews_desc' => __('Whether to show views under database in the navigation tree'),
+            'NavigationTreeShowFunctions_name' => __('Show functions in tree'),
+            'NavigationTreeShowFunctions_desc' => __('Whether to show functions under database in the navigation tree'),
+            'NavigationTreeShowProcedures_name' => __('Show procedures in tree'),
+            'NavigationTreeShowProcedures_desc' => __('Whether to show procedures under database in the navigation tree'),
+            'NavigationTreeShowEvents_name' => __('Show events in tree'),
+            'NavigationTreeShowEvents_desc' => __('Whether to show events under database in the navigation tree'),
+            'NavigationTreeAutoexpandSingleDb_name' => __('Expand single database'),
+            'NavigationTreeAutoexpandSingleDb_desc' => __('Whether to expand single database in the navigation tree automatically.'),
+            'NumRecentTables_desc' => __('Maximum number of recently used tables; set 0 to disable.'),
+            'NumFavoriteTables_desc' => __('Maximum number of favorite tables; set 0 to disable.'),
+            'NumRecentTables_name' => __('Recently used tables'),
+            'NumFavoriteTables_name' => __('Favorite tables'),
+            'RowActionLinks_desc' => __('These are Edit, Copy and Delete links.'),
+            'RowActionLinks_name' => __('Where to show the table row links'),
+            'RowActionLinksWithoutUnique_desc' => __('Whether to show row links even in the absence of a unique key.'),
+            'RowActionLinksWithoutUnique_name' => __('Show row links anyway'),
+            'DisableShortcutKeys_name' => __('Disable shortcut keys'),
+            'DisableShortcutKeys_desc' => __('Disable shortcut keys'),
+            'NaturalOrder_desc' => __('Use natural order for sorting table and database names.'),
+            'NaturalOrder_name' => __('Natural order'),
+            'TableNavigationLinksMode_desc' => __('Use only icons, only text or both.'),
+            'TableNavigationLinksMode_name' => __('Table navigation bar'),
+            'OBGzip_desc' => __('Use GZip output buffering for increased speed in HTTP transfers.'),
+            'OBGzip_name' => __('GZip output buffering'),
+            'Order_desc' => __(
+                '[kbd]SMART[/kbd] - i.e. descending order for columns of type TIME, DATE, '
+                . 'DATETIME and TIMESTAMP, ascending order otherwise.'
+            ),
+            'Order_name' => __('Default sorting order'),
+            'PersistentConnections_desc' => __('Use persistent connections to MySQL databases.'),
+            'PersistentConnections_name' => __('Persistent connections'),
+            'PmaNoRelation_DisableWarning_desc' => __(
+                'Disable the default warning that is displayed on the database details '
+                . 'Structure page if any of the required tables for the phpMyAdmin '
+                . 'configuration storage could not be found.'
+            ),
+            'PmaNoRelation_DisableWarning_name' => __('Missing phpMyAdmin configuration storage tables'),
+            'ReservedWordDisableWarning_desc' => __(
+                'Disable the default warning that is displayed on the Structure page if column '
+                . 'names in a table are reserved MySQL words.'
+            ),
+            'ReservedWordDisableWarning_name' => __('MySQL reserved word warning'),
+            'TabsMode_desc' => __('Use only icons, only text or both.'),
+            'TabsMode_name' => __('How to display the menu tabs'),
+            'ActionLinksMode_desc' => __('Use only icons, only text or both.'),
+            'ActionLinksMode_name' => __('How to display various action links'),
+            'ProtectBinary_desc' => __('Disallow BLOB and BINARY columns from editing.'),
+            'ProtectBinary_name' => __('Protect binary columns'),
+            'QueryHistoryDB_desc' => __(
+                'Enable if you want DB-based query history (requires phpMyAdmin configuration '
+                . 'storage). If disabled, this utilizes JS-routines to display query history '
+                . '(lost by window close).'
+            ),
+            'QueryHistoryDB_name' => __('Permanent query history'),
+            'QueryHistoryMax_cmt' => __('Users cannot set a higher value'),
+            'QueryHistoryMax_desc' => __('How many queries are kept in history.'),
+            'QueryHistoryMax_name' => __('Query history length'),
+            'RecodingEngine_desc' => __('Select which functions will be used for character set conversion.'),
+            'RecodingEngine_name' => __('Recoding engine'),
+            'RememberSorting_desc' => __('When browsing tables, the sorting of each table is remembered.'),
+            'RememberSorting_name' => __('Remember table\'s sorting'),
+            'TablePrimaryKeyOrder_desc' => __('Default sort order for tables with a primary key.'),
+            'TablePrimaryKeyOrder_name' => __('Primary key default sort order'),
+            'RepeatCells_desc' => __('Repeat the headers every X cells, [kbd]0[/kbd] deactivates this feature.'),
+            'RepeatCells_name' => __('Repeat headers'),
+            'GridEditing_name' => __('Grid editing: trigger action'),
+            'RelationalDisplay_name' => __('Relational display'),
+            'RelationalDisplay_desc' => __('For display Options'),
+            'SaveCellsAtOnce_name' => __('Grid editing: save all edited cells at once'),
+            'SaveDir_desc' => __('Directory where exports can be saved on server.'),
+            'SaveDir_name' => __('Save directory'),
+            'Servers_AllowDeny_order_desc' => __('Leave blank if not used.'),
+            'Servers_AllowDeny_order_name' => __('Host authorization order'),
+            'Servers_AllowDeny_rules_desc' => __('Leave blank for defaults.'),
+            'Servers_AllowDeny_rules_name' => __('Host authorization rules'),
+            'Servers_AllowNoPassword_name' => __('Allow logins without a password'),
+            'Servers_AllowRoot_name' => __('Allow root login'),
+            'Servers_SessionTimeZone_name' => __('Session timezone'),
+            'Servers_SessionTimeZone_desc' => __(
+                'Sets the effective timezone; possibly different than the one from your '
+                . 'database server'
+            ),
+            'Servers_auth_http_realm_desc' => __('HTTP Basic Auth Realm name to display when doing HTTP Auth.'),
+            'Servers_auth_http_realm_name' => __('HTTP Realm'),
+            'Servers_auth_type_desc' => __('Authentication method to use.'),
+            'Servers_auth_type_name' => __('Authentication type'),
+            'Servers_bookmarktable_desc' => __(
+                'Leave blank for no [doc@bookmarks@]bookmark[/doc] '
+                . 'support, suggested: [kbd]pma__bookmark[/kbd]'
+            ),
+            'Servers_bookmarktable_name' => __('Bookmark table'),
+            'Servers_column_info_desc' => __(
+                'Leave blank for no column comments/media (MIME) types, suggested: '
+                . '[kbd]pma__column_info[/kbd].'
+            ),
+            'Servers_column_info_name' => __('Column information table'),
+            'Servers_compress_desc' => __('Compress connection to MySQL server.'),
+            'Servers_compress_name' => __('Compress connection'),
+            'Servers_controlpass_name' => __('Control user password'),
+            'Servers_controluser_desc' => __(
+                'A special MySQL user configured with limited permissions, more information '
+                . 'available on [doc@linked-tables]documentation[/doc].'
+            ),
+            'Servers_controluser_name' => __('Control user'),
+            'Servers_controlhost_desc' => __(
+                'An alternate host to hold the configuration storage; leave blank to use the '
+                . 'already defined host.'
+            ),
+            'Servers_controlhost_name' => __('Control host'),
+            'Servers_controlport_desc' => __(
+                'An alternate port to connect to the host that holds the configuration storage; '
+                . 'leave blank to use the default port, or the already defined port, if the '
+                . 'controlhost equals host.'
+            ),
+            'Servers_controlport_name' => __('Control port'),
+            'Servers_hide_db_desc' => __('Hide databases matching regular expression (PCRE).'),
+            'Servers_DisableIS_desc' => __(
+                'More information on [a@https://github.com/phpmyadmin/phpmyadmin/issues/8970]phpMyAdmin '
+                . 'issue tracker[/a] and [a@https://bugs.mysql.com/19588]MySQL Bugs[/a]'
+            ),
+            'Servers_DisableIS_name' => __('Disable use of INFORMATION_SCHEMA'),
+            'Servers_hide_db_name' => __('Hide databases'),
+            'Servers_history_desc' => __(
+                'Leave blank for no SQL query history support, suggested: '
+                . '[kbd]pma__history[/kbd].'
+            ),
+            'Servers_history_name' => __('SQL query history table'),
+            'Servers_host_desc' => __('Hostname where MySQL server is running.'),
+            'Servers_host_name' => __('Server hostname'),
+            'Servers_LogoutURL_name' => __('Logout URL'),
+            'Servers_MaxTableUiprefs_desc' => __(
+                'Limits number of table preferences which are stored in database, the oldest '
+                . 'records are automatically removed.'
+            ),
+            'Servers_MaxTableUiprefs_name' => __('Maximal number of table preferences to store'),
+            'Servers_savedsearches_name' => __('QBE saved searches table'),
+            'Servers_savedsearches_desc' => __(
+                'Leave blank for no QBE saved searches support, suggested: '
+                . '[kbd]pma__savedsearches[/kbd].'
+            ),
+            'Servers_export_templates_name' => __('Export templates table'),
+            'Servers_export_templates_desc' => __(
+                'Leave blank for no export template support, suggested: '
+                . '[kbd]pma__export_templates[/kbd].'
+            ),
+            'Servers_central_columns_name' => __('Central columns table'),
+            'Servers_central_columns_desc' => __(
+                'Leave blank for no central columns support, suggested: '
+                . '[kbd]pma__central_columns[/kbd].'
+            ),
+            'Servers_only_db_desc' => __(
+                'You can use MySQL wildcard characters (% and _), escape them if you want to '
+                . 'use their literal instances, i.e. use [kbd]\'my\_db\'[/kbd] and not '
+                . '[kbd]\'my_db\'[/kbd].'
+            ),
+            'Servers_only_db_name' => __('Show only listed databases'),
+            'Servers_password_desc' => __('Leave empty if not using config auth.'),
+            'Servers_password_name' => __('Password for config auth'),
+            'Servers_pdf_pages_desc' => __('Leave blank for no PDF schema support, suggested: [kbd]pma__pdf_pages[/kbd].'),
+            'Servers_pdf_pages_name' => __('PDF schema: pages table'),
+            'Servers_pmadb_desc' => __(
+                'Database used for relations, bookmarks, and PDF features. See '
+                . '[doc@linked-tables]pmadb[/doc] for complete information. '
+                . 'Leave blank for no support. Suggested: [kbd]phpmyadmin[/kbd].'
+            ),
+            'Servers_pmadb_name' => __('Database name'),
+            'Servers_port_desc' => __('Port on which MySQL server is listening, leave empty for default.'),
+            'Servers_port_name' => __('Server port'),
+            'Servers_recent_desc' => __(
+                'Leave blank for no "persistent" recently used tables across sessions, '
+                . 'suggested: [kbd]pma__recent[/kbd].'
+            ),
+            'Servers_recent_name' => __('Recently used table'),
+            'Servers_favorite_desc' => __(
+                'Leave blank for no "persistent" favorite tables across sessions, '
+                . 'suggested: [kbd]pma__favorite[/kbd].'
+            ),
+            'Servers_favorite_name' => __('Favorites table'),
+            'Servers_relation_desc' => __(
+                'Leave blank for no '
+                . '[doc@relations@]relation-links[/doc] support, '
+                . 'suggested: [kbd]pma__relation[/kbd].'
+            ),
+            'Servers_relation_name' => __('Relation table'),
+            'Servers_SignonSession_desc' => __(
+                'See [doc@authentication-modes]authentication '
+                . 'types[/doc] for an example.'
+            ),
+            'Servers_SignonSession_name' => __('Signon session name'),
+            'Servers_SignonURL_name' => __('Signon URL'),
+            'Servers_socket_desc' => __('Socket on which MySQL server is listening, leave empty for default.'),
+            'Servers_socket_name' => __('Server socket'),
+            'Servers_ssl_desc' => __('Enable SSL for connection to MySQL server.'),
+            'Servers_ssl_name' => __('Use SSL'),
+            'Servers_table_coords_desc' => __('Leave blank for no PDF schema support, suggested: [kbd]pma__table_coords[/kbd].'),
+            'Servers_table_coords_name' => __('Designer and PDF schema: table coordinates'),
+            'Servers_table_info_desc' => __(
+                'Table to describe the display columns, leave blank for no support; '
+                . 'suggested: [kbd]pma__table_info[/kbd].'
+            ),
+            'Servers_table_info_name' => __('Display columns table'),
+            'Servers_table_uiprefs_desc' => __(
+                'Leave blank for no "persistent" tables\' UI preferences across sessions, '
+                . 'suggested: [kbd]pma__table_uiprefs[/kbd].'
+            ),
+            'Servers_table_uiprefs_name' => __('UI preferences table'),
+            'Servers_tracking_add_drop_database_desc' => __(
+                'Whether a DROP DATABASE IF EXISTS statement will be added as first line to '
+                . 'the log when creating a database.'
+            ),
+            'Servers_tracking_add_drop_database_name' => __('Add DROP DATABASE'),
+            'Servers_tracking_add_drop_table_desc' => __(
+                'Whether a DROP TABLE IF EXISTS statement will be added as first line to the '
+                . 'log when creating a table.'
+            ),
+            'Servers_tracking_add_drop_table_name' => __('Add DROP TABLE'),
+            'Servers_tracking_add_drop_view_desc' => __(
+                'Whether a DROP VIEW IF EXISTS statement will be added as first line to the '
+                . 'log when creating a view.'
+            ),
+            'Servers_tracking_add_drop_view_name' => __('Add DROP VIEW'),
+            'Servers_tracking_default_statements_desc' => __('Defines the list of statements the auto-creation uses for new versions.'),
+            'Servers_tracking_default_statements_name' => __('Statements to track'),
+            'Servers_tracking_desc' => __(
+                'Leave blank for no SQL query tracking support, suggested: '
+                . '[kbd]pma__tracking[/kbd].'
+            ),
+            'Servers_tracking_name' => __('SQL query tracking table'),
+            'Servers_tracking_version_auto_create_desc' => __(
+                'Whether the tracking mechanism creates versions for tables and views '
+                . 'automatically.'
+            ),
+            'Servers_tracking_version_auto_create_name' => __('Automatically create versions'),
+            'Servers_userconfig_desc' => __(
+                'Leave blank for no user preferences storage in database, suggested: '
+                . '[kbd]pma__userconfig[/kbd].'
+            ),
+            'Servers_userconfig_name' => __('User preferences storage table'),
+            'Servers_users_desc' => __(
+                'Both this table and the user groups table are required to enable the ' .
+                'configurable menus feature; leaving either one of them blank will disable ' .
+                'this feature, suggested: [kbd]pma__users[/kbd].'
+            ),
+            'Servers_users_name' => __('Users table'),
+            'Servers_usergroups_desc' => __(
+                'Both this table and the users table are required to enable the configurable ' .
+                'menus feature; leaving either one of them blank will disable this feature, ' .
+                'suggested: [kbd]pma__usergroups[/kbd].'
+            ),
+            'Servers_usergroups_name' => __('User groups table'),
+            'Servers_navigationhiding_desc' => __(
+                'Leave blank to disable the feature to hide and show navigation items, ' .
+                'suggested: [kbd]pma__navigationhiding[/kbd].'
+            ),
+            'Servers_navigationhiding_name' => __('Hidden navigation items table'),
+            'Servers_user_desc' => __('Leave empty if not using config auth.'),
+            'Servers_user_name' => __('User for config auth'),
+            'Servers_verbose_desc' => __(
+                'A user-friendly description of this server. Leave blank to display the ' .
+                'hostname instead.'
+            ),
+            'Servers_verbose_name' => __('Verbose name of this server'),
+            'ShowAll_desc' => __('Whether a user should be displayed a "show all (rows)" button.'),
+            'ShowAll_name' => __('Allow to display all the rows'),
+            'ShowChgPassword_desc' => __(
+                'Please note that enabling this has no effect with [kbd]config[/kbd] ' .
+                'authentication mode because the password is hard coded in the configuration ' .
+                'file; this does not limit the ability to execute the same command directly.'
+            ),
+            'ShowChgPassword_name' => __('Show password change form'),
+            'ShowCreateDb_name' => __('Show create database form'),
+            'ShowDbStructureComment_desc' => __('Show or hide a column displaying the comments for all tables.'),
+            'ShowDbStructureComment_name' => __('Show table comments'),
+            'ShowDbStructureCreation_desc' => __('Show or hide a column displaying the Creation timestamp for all tables.'),
+            'ShowDbStructureCreation_name' => __('Show creation timestamp'),
+            'ShowDbStructureLastUpdate_desc' => __('Show or hide a column displaying the Last update timestamp for all tables.'),
+            'ShowDbStructureLastUpdate_name' => __('Show last update timestamp'),
+            'ShowDbStructureLastCheck_desc' => __('Show or hide a column displaying the Last check timestamp for all tables.'),
+            'ShowDbStructureLastCheck_name' => __('Show last check timestamp'),
+            'ShowDbStructureCharset_desc' => __('Show or hide a column displaying the charset for all tables.'),
+            'ShowDbStructureCharset_name' => __('Show table charset'),
+            'ShowFieldTypesInDataEditView_desc' => __(
+                'Defines whether or not type fields should be initially displayed in ' .
+                'edit/insert mode.'
+            ),
+            'ShowFieldTypesInDataEditView_name' => __('Show field types'),
+            'ShowFunctionFields_desc' => __('Display the function fields in edit/insert mode.'),
+            'ShowFunctionFields_name' => __('Show function fields'),
+            'ShowHint_desc' => __('Whether to show hint or not.'),
+            'ShowHint_name' => __('Show hint'),
+            'ShowPhpInfo_desc' => __(
+                'Shows link to [a@https://php.net/manual/function.phpinfo.php]phpinfo()[/a] ' .
+                'output.'
+            ),
+            'ShowPhpInfo_name' => __('Show phpinfo() link'),
+            'ShowServerInfo_name' => __('Show detailed MySQL server information'),
+            'ShowSQL_desc' => __('Defines whether SQL queries generated by phpMyAdmin should be displayed.'),
+            'ShowSQL_name' => __('Show SQL queries'),
+            'RetainQueryBox_desc' => __('Defines whether the query box should stay on-screen after its submission.'),
+            'RetainQueryBox_name' => __('Retain query box'),
+            'ShowStats_desc' => __('Allow to display database and table statistics (eg. space usage).'),
+            'ShowStats_name' => __('Show statistics'),
+            'SkipLockedTables_desc' => __('Mark used tables and make it possible to show databases with locked tables.'),
+            'SkipLockedTables_name' => __('Skip locked tables'),
+            'SQLQuery_Edit_name' => __('Edit'),
+            'SQLQuery_Explain_name' => __('Explain SQL'),
+            'SQLQuery_Refresh_name' => __('Refresh'),
+            'SQLQuery_ShowAsPHP_name' => __('Create PHP code'),
+            'SuhosinDisableWarning_desc' => __(
+                'Disable the default warning that is displayed on the main page if Suhosin is ' .
+                'detected.'
+            ),
+            'SuhosinDisableWarning_name' => __('Suhosin warning'),
+            'LoginCookieValidityDisableWarning_desc' => __(
+                'Disable the default warning that is displayed on the main page if the value ' .
+                'of the PHP setting session.gc_maxlifetime is less than the value of ' .
+                '`LoginCookieValidity`.'
+            ),
+            'LoginCookieValidityDisableWarning_name' => __('Login cookie validity warning'),
+            'TextareaCols_desc' => __(
+                'Textarea size (columns) in edit mode, this value will be emphasized for SQL ' .
+                'query textareas (*2).'
+            ),
+            'TextareaCols_name' => __('Textarea columns'),
+            'TextareaRows_desc' => __(
+                'Textarea size (rows) in edit mode, this value will be emphasized for SQL ' .
+                'query textareas (*2).'
+            ),
+            'TextareaRows_name' => __('Textarea rows'),
+            'TitleDatabase_desc' => __('Title of browser window when a database is selected.'),
+            'TitleDatabase_name' => __('Database'),
+            'TitleDefault_desc' => __('Title of browser window when nothing is selected.'),
+            'TitleDefault_name' => __('Default title'),
+            'TitleServer_desc' => __('Title of browser window when a server is selected.'),
+            'TitleServer_name' => __('Server'),
+            'TitleTable_desc' => __('Title of browser window when a table is selected.'),
+            'TitleTable_name' => __('Table'),
+            'TrustedProxies_desc' => __(
+                'Input proxies as [kbd]IP: trusted HTTP header[/kbd]. The following example ' .
+                'specifies that phpMyAdmin should trust a HTTP_X_FORWARDED_FOR ' .
+                '(X-Forwarded-For) header coming from the proxy 1.2.3.4:[br][kbd]1.2.3.4: ' .
+                'HTTP_X_FORWARDED_FOR[/kbd].'
+            ),
+            'TrustedProxies_name' => __('List of trusted proxies for IP allow/deny'),
+            'UploadDir_desc' => __('Directory on server where you can upload files for import.'),
+            'UploadDir_name' => __('Upload directory'),
+            'UseDbSearch_desc' => __('Allow for searching inside the entire database.'),
+            'UseDbSearch_name' => __('Use database search'),
+            'UserprefsDeveloperTab_desc' => __(
+                'When disabled, users cannot set any of the options below, regardless of the ' .
+                'checkbox on the right.'
+            ),
+            'UserprefsDeveloperTab_name' => __('Enable the Developer tab in settings'),
+            'VersionCheck_desc' => __('Enables check for latest version on main phpMyAdmin page.'),
+            'VersionCheck_name' => __('Version check'),
+            'ProxyUrl_desc' => __(
+                'The url of the proxy to be used when retrieving the information about the ' .
+                'latest version of phpMyAdmin or when submitting error reports. You need this ' .
+                'if the server where phpMyAdmin is installed does not have direct access to ' .
+                'the internet. The format is: "hostname:portnumber".'
+            ),
+            'ProxyUrl_name' => __('Proxy url'),
+            'ProxyUser_desc' => __(
+                'The username for authenticating with the proxy. By default, no ' .
+                'authentication is performed. If a username is supplied, Basic ' .
+                'Authentication will be performed. No other types of authentication are ' .
+                'currently supported.'
+            ),
+            'ProxyUser_name' => __('Proxy username'),
+            'ProxyPass_desc' => __('The password for authenticating with the proxy.'),
+            'ProxyPass_name' => __('Proxy password'),
+
+            'ZipDump_desc' => __('Enable ZIP compression for import and export operations.'),
+            'ZipDump_name' => __('ZIP'),
+            'CaptchaLoginPublicKey_desc' => __('Enter your public key for your domain reCaptcha service.'),
+            'CaptchaLoginPublicKey_name' => __('Public key for reCaptcha'),
+            'CaptchaLoginPrivateKey_desc' => __('Enter your private key for your domain reCaptcha service.'),
+            'CaptchaLoginPrivateKey_name' => __('Private key for reCaptcha'),
+
+            'SendErrorReports_desc' => __('Choose the default action when sending error reports.'),
+            'SendErrorReports_name' => __('Send error reports'),
+
+            'ConsoleEnterExecutes_desc' => __(
+                'Queries are executed by pressing Enter (instead of Ctrl+Enter). New lines ' .
+                'will be inserted with Shift+Enter.'
+            ),
+            'ConsoleEnterExecutes_name' => __('Enter executes queries in console'),
+
+            'ZeroConf_desc' => __(
+                'Enable Zero Configuration mode which lets you setup phpMyAdmin '
+                . 'configuration storage tables automatically.'
+            ),
+            'ZeroConf_name' => __('Enable Zero Configuration mode'),
+            'Console_StartHistory_name' => __('Show query history at start'),
+            'Console_AlwaysExpand_name' => __('Always expand query messages'),
+            'Console_CurrentQuery_name' => __('Show current browsing query'),
+            'Console_EnterExecutes_name' => __('Execute queries on Enter and insert new line with Shift + Enter'),
+            'Console_DarkTheme_name' => __('Switch to dark theme'),
+            'Console_Height_name' => __('Console height'),
+            'Console_Mode_name' => __('Console mode'),
+            'Console_GroupQueries_name' => __('Group queries'),
+            'Console_Order_name' => __('Order'),
+            'Console_OrderBy_name' => __('Order by'),
+            'DefaultConnectionCollation_name' => __('Server connection collation'),
+        ];
+
+        $key = $path . '_' . $type;
+
+        return $descriptions[$key] ?? null;
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Form.php b/srcs/phpmyadmin/libraries/classes/Config/Form.php
new file mode 100644
index 0000000..8c1cbc5
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Form.php
@@ -0,0 +1,238 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Form handling code.
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Config\ConfigFile;
+
+/**
+ * Base class for forms, loads default configuration options, checks allowed
+ * values etc.
+ *
+ * @package PhpMyAdmin
+ */
+class Form
+{
+    /**
+     * Form name
+     * @var string
+     */
+    public $name;
+
+    /**
+     * Arbitrary index, doesn't affect class' behavior
+     * @var int
+     */
+    public $index;
+
+    /**
+     * Form fields (paths), filled by {@link readFormPaths()}, indexed by field name
+     * @var array
+     */
+    public $fields;
+
+    /**
+     * Stores default values for some fields (eg. pmadb tables)
+     * @var array
+     */
+    public $default;
+
+    /**
+     * Caches field types, indexed by field names
+     * @var array
+     */
+    private $_fieldsTypes;
+
+    /**
+     * ConfigFile instance
+     * @var ConfigFile
+     */
+    private $_configFile;
+
+    /**
+     * Constructor, reads default config values
+     *
+     * @param string     $formName Form name
+     * @param array      $form     Form data
+     * @param ConfigFile $cf       Config file instance
+     * @param int        $index    arbitrary index, stored in Form::$index
+     */
+    public function __construct(
+        $formName,
+        array $form,
+        ConfigFile $cf,
+        $index = null
+    ) {
+        $this->index = $index;
+        $this->_configFile = $cf;
+        $this->loadForm($formName, $form);
+    }
+
+    /**
+     * Returns type of given option
+     *
+     * @param string $optionName path or field name
+     *
+     * @return string|null one of: boolean, integer, double, string, select, array
+     */
+    public function getOptionType($optionName)
+    {
+        $key = ltrim(
+            mb_substr(
+                $optionName,
+                (int) mb_strrpos($optionName, '/')
+            ),
+            '/'
+        );
+        return isset($this->_fieldsTypes[$key])
+            ? $this->_fieldsTypes[$key]
+            : null;
+    }
+
+    /**
+     * Returns allowed values for select fields
+     *
+     * @param string $optionPath Option path
+     *
+     * @return array
+     */
+    public function getOptionValueList($optionPath)
+    {
+        $value = $this->_configFile->getDbEntry($optionPath);
+        if ($value === null) {
+            trigger_error("$optionPath - select options not defined", E_USER_ERROR);
+            return [];
+        }
+        if (! is_array($value)) {
+            trigger_error("$optionPath - not a static value list", E_USER_ERROR);
+            return [];
+        }
+        // convert array('#', 'a', 'b') to array('a', 'b')
+        if (isset($value[0]) && $value[0] === '#') {
+            // remove first element ('#')
+            array_shift($value);
+            // $value has keys and value names, return it
+            return $value;
+        }
+
+        // convert value list array('a', 'b') to array('a' => 'a', 'b' => 'b')
+        $hasStringKeys = false;
+        $keys = [];
+        for ($i = 0, $nb = count($value); $i < $nb; $i++) {
+            if (! isset($value[$i])) {
+                $hasStringKeys = true;
+                break;
+            }
+            $keys[] = is_bool($value[$i]) ? (int) $value[$i] : $value[$i];
+        }
+        if (! $hasStringKeys) {
+            $value = array_combine($keys, $value);
+        }
+
+        // $value has keys and value names, return it
+        return $value;
+    }
+
+    /**
+     * array_walk callback function, reads path of form fields from
+     * array (see docs for \PhpMyAdmin\Config\Forms\BaseForm::getForms)
+     *
+     * @param mixed $value  Value
+     * @param mixed $key    Key
+     * @param mixed $prefix Prefix
+     *
+     * @return void
+     */
+    private function _readFormPathsCallback($value, $key, $prefix)
+    {
+        static $groupCounter = 0;
+
+        if (is_array($value)) {
+            $prefix .= $key . '/';
+            array_walk($value, [$this, '_readFormPathsCallback'], $prefix);
+            return;
+        }
+
+        if (! is_int($key)) {
+            $this->default[$prefix . $key] = $value;
+            $value = $key;
+        }
+        // add unique id to group ends
+        if ($value == ':group:end') {
+            $value .= ':' . $groupCounter++;
+        }
+        $this->fields[] = $prefix . $value;
+    }
+
+    /**
+     * Reads form paths to {@link $fields}
+     *
+     * @param array $form Form
+     *
+     * @return void
+     */
+    protected function readFormPaths(array $form)
+    {
+        // flatten form fields' paths and save them to $fields
+        $this->fields = [];
+        array_walk($form, [$this, '_readFormPathsCallback'], '');
+
+        // $this->fields is an array of the form: [0..n] => 'field path'
+        // change numeric indexes to contain field names (last part of the path)
+        $paths = $this->fields;
+        $this->fields = [];
+        foreach ($paths as $path) {
+            $key = ltrim(
+                mb_substr($path, (int) mb_strrpos($path, '/')),
+                '/'
+            );
+            $this->fields[$key] = $path;
+        }
+        // now $this->fields is an array of the form: 'field name' => 'field path'
+    }
+
+    /**
+     * Reads fields' types to $this->_fieldsTypes
+     *
+     * @return void
+     */
+    protected function readTypes()
+    {
+        $cf = $this->_configFile;
+        foreach ($this->fields as $name => $path) {
+            if (mb_strpos((string) $name, ':group:') === 0) {
+                $this->_fieldsTypes[$name] = 'group';
+                continue;
+            }
+            $v = $cf->getDbEntry($path);
+            if ($v !== null) {
+                $type = is_array($v) ? 'select' : $v;
+            } else {
+                $type = gettype($cf->getDefault($path));
+            }
+            $this->_fieldsTypes[$name] = $type;
+        }
+    }
+
+    /**
+     * Reads form settings and prepares class to work with given subset of
+     * config file
+     *
+     * @param string $formName Form name
+     * @param array  $form     Form
+     *
+     * @return void
+     */
+    public function loadForm($formName, array $form)
+    {
+        $this->name = $formName;
+        $this->readFormPaths($form);
+        $this->readTypes();
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/FormDisplay.php b/srcs/phpmyadmin/libraries/classes/Config/FormDisplay.php
new file mode 100644
index 0000000..500706c
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/FormDisplay.php
@@ -0,0 +1,924 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Form management class, displays and processes forms
+ *
+ * Explanation of used terms:
+ * o work_path - original field path, eg. Servers/4/verbose
+ * o system_path - work_path modified so that it points to the first server,
+ *                 eg. Servers/1/verbose
+ * o translated_path - work_path modified for HTML field name, a path with
+ *                     slashes changed to hyphens, eg. Servers-4-verbose
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Config\Forms\User\UserFormList;
+use PhpMyAdmin\Sanitize;
+use PhpMyAdmin\Util;
+
+/**
+ * Form management class, displays and processes forms
+ *
+ * @package PhpMyAdmin
+ */
+class FormDisplay
+{
+    /**
+     * ConfigFile instance
+     * @var ConfigFile
+     */
+    private $_configFile;
+
+    /**
+     * Form list
+     * @var Form[]
+     */
+    private $_forms = [];
+
+    /**
+     * Stores validation errors, indexed by paths
+     * [ Form_name ] is an array of form errors
+     * [path] is a string storing error associated with single field
+     * @var array
+     */
+    private $_errors = [];
+
+    /**
+     * Paths changed so that they can be used as HTML ids, indexed by paths
+     * @var array
+     */
+    private $_translatedPaths = [];
+
+    /**
+     * Server paths change indexes so we define maps from current server
+     * path to the first one, indexed by work path
+     * @var array
+     */
+    private $_systemPaths = [];
+
+    /**
+     * Language strings which will be sent to Messages JS variable
+     * Will be looked up in $GLOBALS: str{value} or strSetup{value}
+     * @var array
+     */
+    private $_jsLangStrings = [];
+
+    /**
+     * Tells whether forms have been validated
+     * @var bool
+     */
+    private $_isValidated = true;
+
+    /**
+     * Dictionary with user preferences keys
+     * @var array|null
+     */
+    private $_userprefsKeys;
+
+    /**
+     * Dictionary with disallowed user preferences keys
+     * @var array
+     */
+    private $_userprefsDisallow;
+
+    /**
+     * @var FormDisplayTemplate
+     */
+    private $formDisplayTemplate;
+
+    /**
+     * Constructor
+     *
+     * @param ConfigFile $cf Config file instance
+     */
+    public function __construct(ConfigFile $cf)
+    {
+        $this->formDisplayTemplate = new FormDisplayTemplate($GLOBALS['PMA_Config']);
+        $this->_jsLangStrings = [
+            'error_nan_p' => __('Not a positive number!'),
+            'error_nan_nneg' => __('Not a non-negative number!'),
+            'error_incorrect_port' => __('Not a valid port number!'),
+            'error_invalid_value' => __('Incorrect value!'),
+            'error_value_lte' => __('Value must be less than or equal to %s!'),
+        ];
+        $this->_configFile = $cf;
+        // initialize validators
+        Validator::getValidators($this->_configFile);
+    }
+
+    /**
+     * Returns {@link ConfigFile} associated with this instance
+     *
+     * @return ConfigFile
+     */
+    public function getConfigFile()
+    {
+        return $this->_configFile;
+    }
+
+    /**
+     * Registers form in form manager
+     *
+     * @param string $formName Form name
+     * @param array  $form     Form data
+     * @param int    $serverId 0 if new server, validation; >= 1 if editing a server
+     *
+     * @return void
+     */
+    public function registerForm($formName, array $form, $serverId = null)
+    {
+        $this->_forms[$formName] = new Form(
+            $formName,
+            $form,
+            $this->_configFile,
+            $serverId
+        );
+        $this->_isValidated = false;
+        foreach ($this->_forms[$formName]->fields as $path) {
+            $workPath = $serverId === null
+                ? $path
+                : str_replace('Servers/1/', "Servers/$serverId/", $path);
+            $this->_systemPaths[$workPath] = $path;
+            $this->_translatedPaths[$workPath] = str_replace('/', '-', $workPath);
+        }
+    }
+
+    /**
+     * Processes forms, returns true on successful save
+     *
+     * @param bool $allowPartialSave allows for partial form saving
+     *                               on failed validation
+     * @param bool $checkFormSubmit  whether check for $_POST['submit_save']
+     *
+     * @return boolean whether processing was successful
+     */
+    public function process($allowPartialSave = true, $checkFormSubmit = true)
+    {
+        if ($checkFormSubmit && ! isset($_POST['submit_save'])) {
+            return false;
+        }
+
+        // save forms
+        if (count($this->_forms) > 0) {
+            return $this->save(array_keys($this->_forms), $allowPartialSave);
+        }
+        return false;
+    }
+
+    /**
+     * Runs validation for all registered forms
+     *
+     * @return void
+     */
+    private function _validate()
+    {
+        if ($this->_isValidated) {
+            return;
+        }
+
+        $paths = [];
+        $values = [];
+        foreach ($this->_forms as $form) {
+            /** @var Form $form */
+            $paths[] = $form->name;
+            // collect values and paths
+            foreach ($form->fields as $path) {
+                $workPath = array_search($path, $this->_systemPaths);
+                $values[$path] = $this->_configFile->getValue($workPath);
+                $paths[] = $path;
+            }
+        }
+
+        // run validation
+        $errors = Validator::validate(
+            $this->_configFile,
+            $paths,
+            $values,
+            false
+        );
+
+        // change error keys from canonical paths to work paths
+        if (is_array($errors) && count($errors) > 0) {
+            $this->_errors = [];
+            foreach ($errors as $path => $errorList) {
+                $workPath = array_search($path, $this->_systemPaths);
+                // field error
+                if (! $workPath) {
+                    // form error, fix path
+                    $workPath = $path;
+                }
+                $this->_errors[$workPath] = $errorList;
+            }
+        }
+        $this->_isValidated = true;
+    }
+
+    /**
+     * Outputs HTML for the forms under the menu tab
+     *
+     * @param bool  $showRestoreDefault whether to show "restore default"
+     *                                  button besides the input field
+     * @param array $jsDefault          stores JavaScript code
+     *                                  to be displayed
+     * @param array $js                 will be updated with javascript code
+     * @param bool  $showButtons        whether show submit and reset button
+     *
+     * @return string
+     */
+    private function _displayForms(
+        $showRestoreDefault,
+        array &$jsDefault,
+        array &$js,
+        $showButtons
+    ) {
+        $htmlOutput = '';
+        $validators = Validator::getValidators($this->_configFile);
+
+        foreach ($this->_forms as $form) {
+            /** @var Form $form */
+            $formErrors = isset($this->_errors[$form->name])
+                ? $this->_errors[$form->name] : null;
+            $htmlOutput .= $this->formDisplayTemplate->displayFieldsetTop(
+                Descriptions::get("Form_{$form->name}"),
+                Descriptions::get("Form_{$form->name}", 'desc'),
+                $formErrors,
+                ['id' => $form->name]
+            );
+
+            foreach ($form->fields as $field => $path) {
+                $workPath = array_search($path, $this->_systemPaths);
+                $translatedPath = $this->_translatedPaths[$workPath];
+                // always true/false for user preferences display
+                // otherwise null
+                $userPrefsAllow = isset($this->_userprefsKeys[$path])
+                    ? ! isset($this->_userprefsDisallow[$path])
+                    : null;
+                // display input
+                $htmlOutput .= $this->_displayFieldInput(
+                    $form,
+                    $field,
+                    $path,
+                    $workPath,
+                    $translatedPath,
+                    $showRestoreDefault,
+                    $userPrefsAllow,
+                    $jsDefault
+                );
+                // register JS validators for this field
+                if (isset($validators[$path])) {
+                    $this->formDisplayTemplate->addJsValidate($translatedPath, $validators[$path], $js);
+                }
+            }
+            $htmlOutput .= $this->formDisplayTemplate->displayFieldsetBottom($showButtons);
+        }
+        return $htmlOutput;
+    }
+
+    /**
+     * Outputs HTML for forms
+     *
+     * @param bool       $tabbedForm         if true, use a form with tabs
+     * @param bool       $showRestoreDefault whether show "restore default" button
+     *                                       besides the input field
+     * @param bool       $showButtons        whether show submit and reset button
+     * @param string     $formAction         action attribute for the form
+     * @param array|null $hiddenFields       array of form hidden fields (key: field
+     *                                       name)
+     *
+     * @return string HTML for forms
+     */
+    public function getDisplay(
+        $tabbedForm = false,
+        $showRestoreDefault = false,
+        $showButtons = true,
+        $formAction = null,
+        $hiddenFields = null
+    ) {
+        static $jsLangSent = false;
+
+        $htmlOutput = '';
+
+        $js = [];
+        $jsDefault = [];
+
+        $htmlOutput .= $this->formDisplayTemplate->displayFormTop($formAction, 'post', $hiddenFields);
+
+        if ($tabbedForm) {
+            $tabs = [];
+            foreach ($this->_forms as $form) {
+                $tabs[$form->name] = Descriptions::get("Form_$form->name");
+            }
+            $htmlOutput .= $this->formDisplayTemplate->displayTabsTop($tabs);
+        }
+
+        // validate only when we aren't displaying a "new server" form
+        $isNewServer = false;
+        foreach ($this->_forms as $form) {
+            /** @var Form $form */
+            if ($form->index === 0) {
+                $isNewServer = true;
+                break;
+            }
+        }
+        if (! $isNewServer) {
+            $this->_validate();
+        }
+
+        // user preferences
+        $this->_loadUserprefsInfo();
+
+        // display forms
+        $htmlOutput .= $this->_displayForms(
+            $showRestoreDefault,
+            $jsDefault,
+            $js,
+            $showButtons
+        );
+
+        if ($tabbedForm) {
+            $htmlOutput .= $this->formDisplayTemplate->displayTabsBottom();
+        }
+        $htmlOutput .= $this->formDisplayTemplate->displayFormBottom();
+
+        // if not already done, send strings used for validation to JavaScript
+        if (! $jsLangSent) {
+            $jsLangSent = true;
+            $jsLang = [];
+            foreach ($this->_jsLangStrings as $strName => $strValue) {
+                $jsLang[] = "'$strName': '" . Sanitize::jsFormat($strValue, false) . '\'';
+            }
+            $js[] = "$.extend(Messages, {\n\t"
+                . implode(",\n\t", $jsLang) . '})';
+        }
+
+        $js[] = "$.extend(defaultValues, {\n\t"
+            . implode(",\n\t", $jsDefault) . '})';
+        $htmlOutput .= $this->formDisplayTemplate->displayJavascript($js);
+
+        return $htmlOutput;
+    }
+
+    /**
+     * Prepares data for input field display and outputs HTML code
+     *
+     * @param Form      $form               Form object
+     * @param string    $field              field name as it appears in $form
+     * @param string    $systemPath         field path, eg. Servers/1/verbose
+     * @param string    $workPath           work path, eg. Servers/4/verbose
+     * @param string    $translatedPath     work path changed so that it can be
+     *                                      used as XHTML id
+     * @param bool      $showRestoreDefault whether show "restore default" button
+     *                                      besides the input field
+     * @param bool|null $userPrefsAllow     whether user preferences are enabled
+     *                                      for this field (null - no support,
+     *                                      true/false - enabled/disabled)
+     * @param array     $jsDefault          array which stores JavaScript code
+     *                                      to be displayed
+     *
+     * @return string|null HTML for input field
+     */
+    private function _displayFieldInput(
+        Form $form,
+        $field,
+        $systemPath,
+        $workPath,
+        $translatedPath,
+        $showRestoreDefault,
+        $userPrefsAllow,
+        array &$jsDefault
+    ) {
+        $name = Descriptions::get($systemPath);
+        $description = Descriptions::get($systemPath, 'desc');
+
+        $value = $this->_configFile->get($workPath);
+        $valueDefault = $this->_configFile->getDefault($systemPath);
+        $valueIsDefault = false;
+        if ($value === null || $value === $valueDefault) {
+            $value = $valueDefault;
+            $valueIsDefault = true;
+        }
+
+        $opts = [
+            'doc' => $this->getDocLink($systemPath),
+            'show_restore_default' => $showRestoreDefault,
+            'userprefs_allow' => $userPrefsAllow,
+            'userprefs_comment' => Descriptions::get($systemPath, 'cmt'),
+        ];
+        if (isset($form->default[$systemPath])) {
+            $opts['setvalue'] = (string) $form->default[$systemPath];
+        }
+
+        if (isset($this->_errors[$workPath])) {
+            $opts['errors'] = $this->_errors[$workPath];
+        }
+
+        $type = '';
+        switch ($form->getOptionType($field)) {
+            case 'string':
+                $type = 'text';
+                break;
+            case 'short_string':
+                $type = 'short_text';
+                break;
+            case 'double':
+            case 'integer':
+                $type = 'number_text';
+                break;
+            case 'boolean':
+                $type = 'checkbox';
+                break;
+            case 'select':
+                $type = 'select';
+                $opts['values'] = $form->getOptionValueList($form->fields[$field]);
+                break;
+            case 'array':
+                $type = 'list';
+                $value = (array) $value;
+                $valueDefault = (array) $valueDefault;
+                break;
+            case 'group':
+                // :group:end is changed to :group:end:{unique id} in Form class
+                $htmlOutput = '';
+                if (mb_substr($field, 7, 4) != 'end:') {
+                    $htmlOutput .= $this->formDisplayTemplate->displayGroupHeader(
+                        mb_substr($field, 7)
+                    );
+                } else {
+                    $this->formDisplayTemplate->displayGroupFooter();
+                }
+                return $htmlOutput;
+            case 'NULL':
+                trigger_error("Field $systemPath has no type", E_USER_WARNING);
+                return null;
+        }
+
+        // detect password fields
+        if ($type === 'text'
+            && (mb_substr($translatedPath, -9) === '-password'
+               || mb_substr($translatedPath, -4) === 'pass'
+               || mb_substr($translatedPath, -4) === 'Pass')
+        ) {
+            $type = 'password';
+        }
+
+        // TrustedProxies requires changes before displaying
+        if ($systemPath == 'TrustedProxies') {
+            foreach ($value as $ip => &$v) {
+                if (! preg_match('/^-\d+$/', $ip)) {
+                    $v = $ip . ': ' . $v;
+                }
+            }
+        }
+        $this->_setComments($systemPath, $opts);
+
+        // send default value to form's JS
+        $jsLine = '\'' . $translatedPath . '\': ';
+        switch ($type) {
+            case 'text':
+            case 'short_text':
+            case 'number_text':
+            case 'password':
+                $jsLine .= '\'' . Sanitize::escapeJsString($valueDefault) . '\'';
+                break;
+            case 'checkbox':
+                $jsLine .= $valueDefault ? 'true' : 'false';
+                break;
+            case 'select':
+                $valueDefaultJs = is_bool($valueDefault)
+                ? (int) $valueDefault
+                : $valueDefault;
+                $jsLine .= '[\'' . Sanitize::escapeJsString($valueDefaultJs) . '\']';
+                break;
+            case 'list':
+                $jsLine .= '\'' . Sanitize::escapeJsString(implode("\n", $valueDefault))
+                . '\'';
+                break;
+        }
+        $jsDefault[] = $jsLine;
+
+        return $this->formDisplayTemplate->displayInput(
+            $translatedPath,
+            $name,
+            $type,
+            $value,
+            $description,
+            $valueIsDefault,
+            $opts
+        );
+    }
+
+    /**
+     * Displays errors
+     *
+     * @return string|null HTML for errors
+     */
+    public function displayErrors()
+    {
+        $this->_validate();
+        if (count($this->_errors) === 0) {
+            return null;
+        }
+
+        $htmlOutput = '';
+
+        foreach ($this->_errors as $systemPath => $errorList) {
+            if (isset($this->_systemPaths[$systemPath])) {
+                $name = Descriptions::get($this->_systemPaths[$systemPath]);
+            } else {
+                $name = Descriptions::get('Form_' . $systemPath);
+            }
+            $htmlOutput .= $this->formDisplayTemplate->displayErrors($name, $errorList);
+        }
+
+        return $htmlOutput;
+    }
+
+    /**
+     * Reverts erroneous fields to their default values
+     *
+     * @return void
+     */
+    public function fixErrors()
+    {
+        $this->_validate();
+        if (count($this->_errors) === 0) {
+            return;
+        }
+
+        $cf = $this->_configFile;
+        foreach (array_keys($this->_errors) as $workPath) {
+            if (! isset($this->_systemPaths[$workPath])) {
+                continue;
+            }
+            $canonicalPath = $this->_systemPaths[$workPath];
+            $cf->set($workPath, $cf->getDefault($canonicalPath));
+        }
+    }
+
+    /**
+     * Validates select field and casts $value to correct type
+     *
+     * @param string $value   Current value
+     * @param array  $allowed List of allowed values
+     *
+     * @return bool
+     */
+    private function _validateSelect(&$value, array $allowed)
+    {
+        $valueCmp = is_bool($value)
+            ? (int) $value
+            : $value;
+        foreach ($allowed as $vk => $v) {
+            // equality comparison only if both values are numeric or not numeric
+            // (allows to skip 0 == 'string' equalling to true)
+            // or identity (for string-string)
+            if (($vk == $value && ! (is_numeric($valueCmp) xor is_numeric($vk)))
+                || $vk === $value
+            ) {
+                // keep boolean value as boolean
+                if (! is_bool($value)) {
+                    settype($value, gettype($vk));
+                }
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Validates and saves form data to session
+     *
+     * @param array|string $forms            array of form names
+     * @param bool         $allowPartialSave allows for partial form saving on
+     *                                       failed validation
+     *
+     * @return boolean true on success (no errors and all saved)
+     */
+    public function save($forms, $allowPartialSave = true)
+    {
+        $result = true;
+        $forms = (array) $forms;
+
+        $values = [];
+        $toSave = [];
+        $isSetupScript = $GLOBALS['PMA_Config']->get('is_setup');
+        if ($isSetupScript) {
+            $this->_loadUserprefsInfo();
+        }
+
+        $this->_errors = [];
+        foreach ($forms as $formName) {
+            /** @var Form $form */
+            if (isset($this->_forms[$formName])) {
+                $form = $this->_forms[$formName];
+            } else {
+                continue;
+            }
+            // get current server id
+            $changeIndex = $form->index === 0
+                ? $this->_configFile->getServerCount() + 1
+                : false;
+            // grab POST values
+            foreach ($form->fields as $field => $systemPath) {
+                $workPath = array_search($systemPath, $this->_systemPaths);
+                $key = $this->_translatedPaths[$workPath];
+                $type = $form->getOptionType($field);
+
+                // skip groups
+                if ($type == 'group') {
+                    continue;
+                }
+
+                // ensure the value is set
+                if (! isset($_POST[$key])) {
+                    // checkboxes aren't set by browsers if they're off
+                    if ($type == 'boolean') {
+                        $_POST[$key] = false;
+                    } else {
+                        $this->_errors[$form->name][] = sprintf(
+                            __('Missing data for %s'),
+                            '<i>' . Descriptions::get($systemPath) . '</i>'
+                        );
+                        $result = false;
+                        continue;
+                    }
+                }
+
+                // user preferences allow/disallow
+                if ($isSetupScript
+                    && isset($this->_userprefsKeys[$systemPath])
+                ) {
+                    if (isset($this->_userprefsDisallow[$systemPath])
+                        && isset($_POST[$key . '-userprefs-allow'])
+                    ) {
+                        unset($this->_userprefsDisallow[$systemPath]);
+                    } elseif (! isset($_POST[$key . '-userprefs-allow'])) {
+                        $this->_userprefsDisallow[$systemPath] = true;
+                    }
+                }
+
+                // cast variables to correct type
+                switch ($type) {
+                    case 'double':
+                        $_POST[$key] = Util::requestString($_POST[$key]);
+                        settype($_POST[$key], 'float');
+                        break;
+                    case 'boolean':
+                    case 'integer':
+                        if ($_POST[$key] !== '') {
+                            $_POST[$key] = Util::requestString($_POST[$key]);
+                            settype($_POST[$key], $type);
+                        }
+                        break;
+                    case 'select':
+                        $successfullyValidated = $this->_validateSelect(
+                            $_POST[$key],
+                            $form->getOptionValueList($systemPath)
+                        );
+                        if (! $successfullyValidated) {
+                            $this->_errors[$workPath][] = __('Incorrect value!');
+                            $result = false;
+                            // "continue" for the $form->fields foreach-loop
+                            continue 2;
+                        }
+                        break;
+                    case 'string':
+                    case 'short_string':
+                        $_POST[$key] = Util::requestString($_POST[$key]);
+                        break;
+                    case 'array':
+                        // eliminate empty values and ensure we have an array
+                        $postValues = is_array($_POST[$key])
+                        ? $_POST[$key]
+                        : explode("\n", $_POST[$key]);
+                        $_POST[$key] = [];
+                        $this->_fillPostArrayParameters($postValues, $key);
+                        break;
+                }
+
+                // now we have value with proper type
+                $values[$systemPath] = $_POST[$key];
+                if ($changeIndex !== false) {
+                    $workPath = str_replace(
+                        "Servers/$form->index/",
+                        "Servers/$changeIndex/",
+                        $workPath
+                    );
+                }
+                $toSave[$workPath] = $systemPath;
+            }
+        }
+
+        // save forms
+        if (! $allowPartialSave && ! empty($this->_errors)) {
+            // don't look for non-critical errors
+            $this->_validate();
+            return $result;
+        }
+
+        foreach ($toSave as $workPath => $path) {
+            // TrustedProxies requires changes before saving
+            if ($path == 'TrustedProxies') {
+                $proxies = [];
+                $i = 0;
+                foreach ($values[$path] as $value) {
+                    $matches = [];
+                    $match = preg_match(
+                        "/^(.+):(?:[ ]?)(\\w+)$/",
+                        $value,
+                        $matches
+                    );
+                    if ($match) {
+                        // correct 'IP: HTTP header' pair
+                        $ip = trim($matches[1]);
+                        $proxies[$ip] = trim($matches[2]);
+                    } else {
+                        // save also incorrect values
+                        $proxies["-$i"] = $value;
+                        $i++;
+                    }
+                }
+                $values[$path] = $proxies;
+            }
+            $this->_configFile->set($workPath, $values[$path], $path);
+        }
+        if ($isSetupScript) {
+            $this->_configFile->set(
+                'UserprefsDisallow',
+                array_keys($this->_userprefsDisallow)
+            );
+        }
+
+        // don't look for non-critical errors
+        $this->_validate();
+
+        return $result;
+    }
+
+    /**
+     * Tells whether form validation failed
+     *
+     * @return boolean
+     */
+    public function hasErrors()
+    {
+        return count($this->_errors) > 0;
+    }
+
+
+    /**
+     * Returns link to documentation
+     *
+     * @param string $path Path to documentation
+     *
+     * @return string
+     */
+    public function getDocLink($path)
+    {
+        $test = mb_substr($path, 0, 6);
+        if ($test == 'Import' || $test == 'Export') {
+            return '';
+        }
+        return Util::getDocuLink(
+            'config',
+            'cfg_' . $this->_getOptName($path)
+        );
+    }
+
+    /**
+     * Changes path so it can be used in URLs
+     *
+     * @param string $path Path
+     *
+     * @return string
+     */
+    private function _getOptName($path)
+    {
+        return str_replace(['Servers/1/', '/'], ['Servers/', '_'], $path);
+    }
+
+    /**
+     * Fills out {@link userprefs_keys} and {@link userprefs_disallow}
+     *
+     * @return void
+     */
+    private function _loadUserprefsInfo()
+    {
+        if ($this->_userprefsKeys !== null) {
+            return;
+        }
+
+        $this->_userprefsKeys = array_flip(UserFormList::getFields());
+        // read real config for user preferences display
+        $userPrefsDisallow = $GLOBALS['PMA_Config']->get('is_setup')
+            ? $this->_configFile->get('UserprefsDisallow', [])
+            : $GLOBALS['cfg']['UserprefsDisallow'];
+        $this->_userprefsDisallow = array_flip($userPrefsDisallow);
+    }
+
+    /**
+     * Sets field comments and warnings based on current environment
+     *
+     * @param string $systemPath Path to settings
+     * @param array  $opts       Chosen options
+     *
+     * @return void
+     */
+    private function _setComments($systemPath, array &$opts)
+    {
+        // RecodingEngine - mark unavailable types
+        if ($systemPath == 'RecodingEngine') {
+            $comment = '';
+            if (! function_exists('iconv')) {
+                $opts['values']['iconv'] .= ' (' . __('unavailable') . ')';
+                $comment = sprintf(
+                    __('"%s" requires %s extension'),
+                    'iconv',
+                    'iconv'
+                );
+            }
+            if (! function_exists('recode_string')) {
+                $opts['values']['recode'] .= ' (' . __('unavailable') . ')';
+                $comment .= ($comment ? ", " : '') . sprintf(
+                    __('"%s" requires %s extension'),
+                    'recode',
+                    'recode'
+                );
+            }
+            /* mbstring is always there thanks to polyfill */
+            $opts['comment'] = $comment;
+            $opts['comment_warning'] = true;
+        }
+        // ZipDump, GZipDump, BZipDump - check function availability
+        if ($systemPath == 'ZipDump'
+            || $systemPath == 'GZipDump'
+            || $systemPath == 'BZipDump'
+        ) {
+            $comment = '';
+            $funcs = [
+                'ZipDump'  => [
+                    'zip_open',
+                    'gzcompress',
+                ],
+                'GZipDump' => [
+                    'gzopen',
+                    'gzencode',
+                ],
+                'BZipDump' => [
+                    'bzopen',
+                    'bzcompress',
+                ],
+            ];
+            if (! function_exists($funcs[$systemPath][0])) {
+                $comment = sprintf(
+                    __(
+                        'Compressed import will not work due to missing function %s.'
+                    ),
+                    $funcs[$systemPath][0]
+                );
+            }
+            if (! function_exists($funcs[$systemPath][1])) {
+                $comment .= ($comment ? '; ' : '') . sprintf(
+                    __(
+                        'Compressed export will not work due to missing function %s.'
+                    ),
+                    $funcs[$systemPath][1]
+                );
+            }
+            $opts['comment'] = $comment;
+            $opts['comment_warning'] = true;
+        }
+        if (! $GLOBALS['PMA_Config']->get('is_setup')) {
+            if ($systemPath == 'MaxDbList' || $systemPath == 'MaxTableList'
+                || $systemPath == 'QueryHistoryMax'
+            ) {
+                $opts['comment'] = sprintf(
+                    __('maximum %s'),
+                    $GLOBALS['cfg'][$systemPath]
+                );
+            }
+        }
+    }
+
+    /**
+     * Copy items of an array to $_POST variable
+     *
+     * @param array  $postValues List of parameters
+     * @param string $key        Array key
+     *
+     * @return void
+     */
+    private function _fillPostArrayParameters(array $postValues, $key)
+    {
+        foreach ($postValues as $v) {
+            $v = Util::requestString($v);
+            if ($v !== '') {
+                $_POST[$key][] = $v;
+            }
+        }
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/FormDisplayTemplate.php b/srcs/phpmyadmin/libraries/classes/Config/FormDisplayTemplate.php
new file mode 100644
index 0000000..07663b8
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/FormDisplayTemplate.php
@@ -0,0 +1,526 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Form templates
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Config;
+use PhpMyAdmin\Sanitize;
+use PhpMyAdmin\Template;
+use PhpMyAdmin\Url;
+use PhpMyAdmin\Util;
+
+/**
+ * PhpMyAdmin\Config\FormDisplayTemplate class
+ *
+ * @package PhpMyAdmin
+ */
+class FormDisplayTemplate
+{
+    /**
+     * @var int
+     */
+    public $group;
+
+    /**
+     * @var Config
+     */
+    protected $config;
+
+    /**
+     * @var Template
+     */
+    public $template;
+
+    /**
+     * FormDisplayTemplate constructor.
+     *
+     * @param Config $config Config instance
+     */
+    public function __construct(Config $config)
+    {
+        $this->config = $config;
+        $this->template = new Template();
+    }
+
+    /**
+     * Displays top part of the form
+     *
+     * @param string     $action       default: $_SERVER['REQUEST_URI']
+     * @param string     $method       'post' or 'get'
+     * @param array|null $hiddenFields array of form hidden fields (key: field name)
+     *
+     * @return string
+     */
+    public function displayFormTop(
+        $action = null,
+        $method = 'post',
+        $hiddenFields = null
+    ): string {
+        static $hasCheckPageRefresh = false;
+
+        if ($action === null) {
+            $action = $_SERVER['REQUEST_URI'];
+        }
+        if ($method != 'post') {
+            $method = 'get';
+        }
+        $htmlOutput = '<form method="' . $method . '" action="'
+            . htmlspecialchars($action) . '" class="config-form disableAjax">';
+        $htmlOutput .= '<input type="hidden" name="tab_hash" value="">';
+        // we do validation on page refresh when browser remembers field values,
+        // add a field with known value which will be used for checks
+        if (! $hasCheckPageRefresh) {
+            $hasCheckPageRefresh = true;
+            $htmlOutput .= '<input type="hidden" name="check_page_refresh" '
+                . ' id="check_page_refresh" value="">' . "\n";
+        }
+        $htmlOutput .= Url::getHiddenInputs('', '', 0, 'server') . "\n";
+        $htmlOutput .= Url::getHiddenFields((array) $hiddenFields, '', true);
+        return $htmlOutput;
+    }
+
+    /**
+     * Displays form tabs which are given by an array indexed by fieldset id
+     * ({@link self::displayFieldsetTop}), with values being tab titles.
+     *
+     * @param array $tabs tab names
+     *
+     * @return string
+     */
+    public function displayTabsTop(array $tabs): string
+    {
+        $items = [];
+        foreach ($tabs as $tabId => $tabName) {
+            $items[] = [
+                'content' => htmlspecialchars($tabName),
+                'url' => [
+                    'href' => '#' . $tabId,
+                ],
+            ];
+        }
+
+        $htmlOutput = $this->template->render('list/unordered', [
+            'class' => 'tabs responsivetable',
+            'items' => $items,
+        ]);
+        $htmlOutput .= '<br>';
+        $htmlOutput .= '<div class="tabs_contents">';
+        return $htmlOutput;
+    }
+
+    /**
+     * Displays top part of a fieldset
+     *
+     * @param string     $title       title of fieldset
+     * @param string     $description description shown on top of fieldset
+     * @param array|null $errors      error messages to display
+     * @param array      $attributes  optional extra attributes of fieldset
+     *
+     * @return string
+     */
+    public function displayFieldsetTop(
+        $title = '',
+        $description = '',
+        $errors = null,
+        array $attributes = []
+    ): string {
+        $this->group = 0;
+
+        $attributes = array_merge(['class' => 'optbox'], $attributes);
+
+        return $this->template->render('config/form_display/fieldset_top', [
+            'attributes' => $attributes,
+            'title' => $title,
+            'description' => $description,
+            'errors' => $errors,
+        ]);
+    }
+
+    /**
+     * Displays input field
+     *
+     * $opts keys:
+     * o doc - (string) documentation link
+     * o errors - error array
+     * o setvalue - (string) shows button allowing to set predefined value
+     * o show_restore_default - (boolean) whether show "restore default" button
+     * o userprefs_allow - whether user preferences are enabled for this field
+     *                    (null - no support, true/false - enabled/disabled)
+     * o userprefs_comment - (string) field comment
+     * o values - key - value pairs for <select> fields
+     * o values_escaped - (boolean) tells whether values array is already escaped
+     *                    (defaults to false)
+     * o values_disabled -  (array)list of disabled values (keys from values)
+     * o comment - (string) tooltip comment
+     * o comment_warning - (bool) whether this comments warns about something
+     *
+     * @param string     $path           config option path
+     * @param string     $name           config option name
+     * @param string     $type           type of config option
+     * @param mixed      $value          current value
+     * @param string     $description    verbose description
+     * @param bool       $valueIsDefault whether value is default
+     * @param array|null $opts           see above description
+     *
+     * @return string
+     */
+    public function displayInput(
+        $path,
+        $name,
+        $type,
+        $value,
+        $description = '',
+        $valueIsDefault = true,
+        $opts = null
+    ): string {
+        static $icons;    // An array of IMG tags used further below in the function
+
+        if (defined('TESTSUITE')) {
+            $icons = null;
+        }
+
+        $isSetupScript = $this->config->get('is_setup');
+        if ($icons === null) { // if the static variables have not been initialised
+            $icons = [];
+            // Icon definitions:
+            // The same indexes will be used in the $icons array.
+            // The first element contains the filename and the second
+            // element is used for the "alt" and "title" attributes.
+            $iconInit = [
+                'edit'   => [
+                    'b_edit',
+                    '',
+                ],
+                'help'   => [
+                    'b_help',
+                    __('Documentation'),
+                ],
+                'reload' => [
+                    's_reload',
+                    '',
+                ],
+                'tblops' => [
+                    'b_tblops',
+                    '',
+                ],
+            ];
+            if ($isSetupScript) {
+                // When called from the setup script, we don't have access to the
+                // sprite-aware getImage() function because the PMA_theme class
+                // has not been loaded, so we generate the img tags manually.
+                foreach ($iconInit as $k => $v) {
+                    $title = '';
+                    if (! empty($v[1])) {
+                        $title = ' title="' . $v[1] . '"';
+                    }
+                    $icons[$k] = sprintf(
+                        '<img alt="%s" src="%s"%s>',
+                        $v[1],
+                        "../themes/pmahomme/img/{$v[0]}.png",
+                        $title
+                    );
+                }
+            } else {
+                // In this case we just use getImage() because it's available
+                foreach ($iconInit as $k => $v) {
+                    $icons[$k] = Util::getImage(
+                        $v[0],
+                        $v[1]
+                    );
+                }
+            }
+        }
+        $hasErrors = isset($opts['errors']) && ! empty($opts['errors']);
+        $optionIsDisabled = ! $isSetupScript && isset($opts['userprefs_allow'])
+            && ! $opts['userprefs_allow'];
+        $nameId = 'name="' . htmlspecialchars($path) . '" id="'
+            . htmlspecialchars($path) . '"';
+        $fieldClass = $type == 'checkbox' ? 'checkbox' : '';
+        if (! $valueIsDefault) {
+            $fieldClass .= ($fieldClass == '' ? '' : ' ')
+                . ($hasErrors ? 'custom field-error' : 'custom');
+        }
+        $fieldClass = $fieldClass ? ' class="' . $fieldClass . '"' : '';
+        $trClass = $this->group > 0
+            ? 'group-field group-field-' . $this->group
+            : '';
+        if (isset($opts['setvalue']) && $opts['setvalue'] == ':group') {
+            unset($opts['setvalue']);
+            $this->group++;
+            $trClass = 'group-header-field group-header-' . $this->group;
+        }
+        if ($optionIsDisabled) {
+            $trClass .= ($trClass ? ' ' : '') . 'disabled-field';
+        }
+        $trClass = $trClass ? ' class="' . $trClass . '"' : '';
+
+        $htmlOutput = '<tr' . $trClass . '>';
+        $htmlOutput .= '<th>';
+        $htmlOutput .= '<label for="' . htmlspecialchars($path) . '">' . htmlspecialchars_decode($name)
+            . '</label>';
+
+        if (! empty($opts['doc'])) {
+            $htmlOutput .= '<span class="doc">';
+            $htmlOutput .= '<a href="' . $opts['doc']
+                . '" target="documentation">' . $icons['help'] . '</a>';
+            $htmlOutput .= "\n";
+            $htmlOutput .= '</span>';
+        }
+
+        if ($optionIsDisabled) {
+            $htmlOutput .= '<span class="disabled-notice" title="';
+            $htmlOutput .= __(
+                'This setting is disabled, it will not be applied to your configuration.'
+            );
+            $htmlOutput .= '">' . __('Disabled') . "</span>";
+        }
+
+        if (! empty($description)) {
+            $htmlOutput .= '<small>' . $description . '</small>';
+        }
+
+        $htmlOutput .= '</th>';
+        $htmlOutput .= '<td>';
+
+        switch ($type) {
+            case 'text':
+                $htmlOutput .= '<input type="text" class="all85" ' . $nameId . $fieldClass
+                . ' value="' . htmlspecialchars($value) . '">';
+                break;
+            case 'password':
+                $htmlOutput .= '<input type="password" class="all85" ' . $nameId . $fieldClass
+                . ' value="' . htmlspecialchars($value) . '">';
+                break;
+            case 'short_text':
+                // As seen in the reporting server (#15042) we sometimes receive
+                // an array here. No clue about its origin nor content, so let's avoid
+                // a notice on htmlspecialchars().
+                if (! is_array($value)) {
+                    $htmlOutput .= '<input type="text" size="25" ' . $nameId
+                    . $fieldClass . ' value="' . htmlspecialchars($value)
+                    . '">';
+                }
+                break;
+            case 'number_text':
+                $htmlOutput .= '<input type="number" ' . $nameId . $fieldClass
+                . ' value="' . htmlspecialchars((string) $value) . '">';
+                break;
+            case 'checkbox':
+                $htmlOutput .= '<span' . $fieldClass . '><input type="checkbox" ' . $nameId
+                  . ($value ? ' checked="checked"' : '') . '></span>';
+                break;
+            case 'select':
+                $htmlOutput .= '<select class="all85" ' . $nameId . $fieldClass . '>';
+                $escape = ! (isset($opts['values_escaped']) && $opts['values_escaped']);
+                $valuesDisabled = isset($opts['values_disabled'])
+                ? array_flip($opts['values_disabled']) : [];
+                foreach ($opts['values'] as $optValueKey => $optValue) {
+                    // set names for boolean values
+                    if (is_bool($optValue)) {
+                        $optValue = mb_strtolower(
+                            $optValue ? __('Yes') : __('No')
+                        );
+                    }
+                    // escape if necessary
+                    if ($escape) {
+                        $display = htmlspecialchars((string) $optValue);
+                        $displayValue = htmlspecialchars((string) $optValueKey);
+                    } else {
+                        $display = $optValue;
+                        $displayValue = $optValueKey;
+                    }
+                    // compare with selected value
+                    // boolean values are cast to integers when used as array keys
+                    $selected = is_bool($value)
+                    ? (int) $value === $optValueKey
+                    : $optValueKey === $value;
+                    $htmlOutput .= '<option value="' . $displayValue . '"';
+                    if ($selected) {
+                        $htmlOutput .= ' selected="selected"';
+                    }
+                    if (isset($valuesDisabled[$optValueKey])) {
+                        $htmlOutput .= ' disabled="disabled"';
+                    }
+                    $htmlOutput .= '>' . $display . '</option>';
+                }
+                $htmlOutput .= '</select>';
+                break;
+            case 'list':
+                $htmlOutput .= '<textarea cols="35" rows="5" ' . $nameId . $fieldClass
+                . '>' . htmlspecialchars(implode("\n", $value)) . '</textarea>';
+                break;
+        }
+        if ($isSetupScript
+            && isset($opts['userprefs_comment'])
+            && $opts['userprefs_comment']
+        ) {
+            $htmlOutput .= '<a class="userprefs-comment" title="'
+                . htmlspecialchars($opts['userprefs_comment']) . '">'
+                . $icons['tblops'] . '</a>';
+        }
+        if (isset($opts['setvalue']) && $opts['setvalue']) {
+            $htmlOutput .= '<a class="set-value hide" href="#'
+                . htmlspecialchars("$path={$opts['setvalue']}") . '" title="'
+                . sprintf(__('Set value: %s'), htmlspecialchars($opts['setvalue']))
+                . '">' . $icons['edit'] . '</a>';
+        }
+        if (isset($opts['show_restore_default']) && $opts['show_restore_default']) {
+            $htmlOutput .= '<a class="restore-default hide" href="#' . $path . '" title="'
+                . __('Restore default value') . '">' . $icons['reload'] . '</a>';
+        }
+        // this must match with displayErrors() in scripts/config.js
+        if ($hasErrors) {
+            $htmlOutput .= "\n        <dl class=\"inline_errors\">";
+            foreach ($opts['errors'] as $error) {
+                $htmlOutput .= '<dd>' . htmlspecialchars($error) . '</dd>';
+            }
+            $htmlOutput .= '</dl>';
+        }
+        $htmlOutput .= '</td>';
+        if ($isSetupScript && isset($opts['userprefs_allow'])) {
+            $htmlOutput .= '<td class="userprefs-allow" title="' .
+                __('Allow users to customize this value') . '">';
+            $htmlOutput .= '<input type="checkbox" name="' . $path
+                . '-userprefs-allow" ';
+            if ($opts['userprefs_allow']) {
+                $htmlOutput .= 'checked="checked"';
+            }
+            $htmlOutput .= '>';
+            $htmlOutput .= '</td>';
+        } elseif ($isSetupScript) {
+            $htmlOutput .= '<td>&nbsp;</td>';
+        }
+        $htmlOutput .= '</tr>';
+        return $htmlOutput;
+    }
+
+    /**
+     * Display group header
+     *
+     * @param string $headerText Text of header
+     *
+     * @return string
+     */
+    public function displayGroupHeader(string $headerText): string
+    {
+        $this->group++;
+        if ($headerText === '') {
+            return '';
+        }
+        $colspan = $this->config->get('is_setup') ? 3 : 2;
+
+        return $this->template->render('config/form_display/group_header', [
+            'group' => $this->group,
+            'colspan' => $colspan,
+            'header_text' => $headerText,
+        ]);
+    }
+
+    /**
+     * Display group footer
+     *
+     * @return void
+     */
+    public function displayGroupFooter(): void
+    {
+        $this->group--;
+    }
+
+    /**
+     * Displays bottom part of a fieldset
+     *
+     * @param bool $showButtons Whether show submit and reset button
+     *
+     * @return string
+     */
+    public function displayFieldsetBottom(bool $showButtons = true): string
+    {
+        return $this->template->render('config/form_display/fieldset_bottom', [
+            'show_buttons' => $showButtons,
+            'is_setup' => $this->config->get('is_setup'),
+        ]);
+    }
+
+    /**
+     * Closes form tabs
+     *
+     * @return string
+     */
+    public function displayTabsBottom(): string
+    {
+        return $this->template->render('config/form_display/tabs_bottom');
+    }
+
+    /**
+     * Displays bottom part of the form
+     *
+     * @return string
+     */
+    public function displayFormBottom(): string
+    {
+        return $this->template->render('config/form_display/form_bottom');
+    }
+
+    /**
+     * Appends JS validation code to $js_array
+     *
+     * @param string       $fieldId    ID of field to validate
+     * @param string|array $validators validators callback
+     * @param array        $jsArray    will be updated with javascript code
+     *
+     * @return void
+     */
+    public function addJsValidate($fieldId, $validators, array &$jsArray): void
+    {
+        foreach ((array) $validators as $validator) {
+            $validator = (array) $validator;
+            $vName = array_shift($validator);
+            $vArgs = [];
+            foreach ($validator as $arg) {
+                $vArgs[] = Sanitize::escapeJsString($arg);
+            }
+            $vArgs = $vArgs ? ", ['" . implode("', '", $vArgs) . "']" : '';
+            $jsArray[] = "registerFieldValidator('$fieldId', '$vName', true$vArgs)";
+        }
+    }
+
+    /**
+     * Displays JavaScript code
+     *
+     * @param array $jsArray lines of javascript code
+     *
+     * @return string
+     */
+    public function displayJavascript(array $jsArray): string
+    {
+        if (empty($jsArray)) {
+            return '';
+        }
+
+        return $this->template->render('javascript/display', [
+            'js_array' => $jsArray,
+        ]);
+    }
+
+    /**
+     * Displays error list
+     *
+     * @param string $name      Name of item with errors
+     * @param array  $errorList List of errors to show
+     *
+     * @return string HTML for errors
+     */
+    public function displayErrors($name, array $errorList): string
+    {
+        return $this->template->render('config/form_display/errors', [
+            'name' => $name,
+            'error_list' => $errorList,
+        ]);
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/BaseForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/BaseForm.php
new file mode 100644
index 0000000..2049070
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/BaseForm.php
@@ -0,0 +1,89 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Base class for preferences.
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms;
+
+use PhpMyAdmin\Config\ConfigFile;
+use PhpMyAdmin\Config\FormDisplay;
+
+/**
+ * Base form for user preferences
+ *
+ * @package PhpMyAdmin
+ */
+abstract class BaseForm extends FormDisplay
+{
+    /**
+     * Constructor
+     *
+     * @param ConfigFile $cf       Config file instance
+     * @param int|null   $serverId 0 if new server, validation; >= 1 if editing a server
+     */
+    public function __construct(ConfigFile $cf, $serverId = null)
+    {
+        parent::__construct($cf);
+        foreach (static::getForms() as $formName => $form) {
+            $this->registerForm($formName, $form, $serverId);
+        }
+    }
+
+    /**
+     * List of available forms, each form is described as an array of fields to display.
+     * Fields MUST have their counterparts in the $cfg array.
+     *
+     * To define form field, use the notation below:
+     * $forms['Form group']['Form name'] = array('Option/path');
+     *
+     * You can assign default values set by special button ("set value: ..."), eg.:
+     * 'Servers/1/pmadb' => 'phpmyadmin'
+     *
+     * To group options, use:
+     * ':group:' . __('group name') // just define a group
+     * or
+     * 'option' => ':group' // group starting from this option
+     * End group blocks with:
+     * ':group:end'
+     *
+     * @todo This should be abstract, but that does not work in PHP 5
+     *
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [];
+    }
+
+    /**
+     * Returns list of fields used in the form.
+     *
+     * @return string[]
+     */
+    public static function getFields()
+    {
+        $names = [];
+        foreach (static::getForms() as $form) {
+            foreach ($form as $k => $v) {
+                $names[] = is_int($k) ? $v : $k;
+            }
+        }
+        return $names;
+    }
+
+    /**
+     * Returns name of the form
+     *
+     * @todo This should be abstract, but that does not work in PHP 5
+     *
+     * @return string
+     */
+    public static function getName()
+    {
+        return '';
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/BaseFormList.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/BaseFormList.php
new file mode 100644
index 0000000..f4a5d32
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/BaseFormList.php
@@ -0,0 +1,150 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms;
+
+use PhpMyAdmin\Config\ConfigFile;
+
+/**
+ * Class BaseFormList
+ * @package PhpMyAdmin\Config\Forms
+ */
+class BaseFormList
+{
+    /**
+     * List of all forms
+     */
+    protected static $all = [];
+
+    /**
+     * @var string
+     */
+    protected static $ns = 'PhpMyAdmin\\Config\\Forms\\';
+
+    /**
+     * @var array
+     */
+    private $_forms;
+
+    /**
+     * @return array
+     */
+    public static function getAll()
+    {
+        return static::$all;
+    }
+
+    /**
+     * @param string $name Name
+     * @return bool
+     */
+    public static function isValid($name)
+    {
+        return in_array($name, static::$all);
+    }
+
+    /**
+     * @param string $name Name
+     * @return null|string
+     */
+    public static function get($name)
+    {
+        if (static::isValid($name)) {
+            return static::$ns . $name . 'Form';
+        }
+        return null;
+    }
+
+    /**
+     * Constructor
+     *
+     * @param ConfigFile $cf Config file instance
+     */
+    public function __construct(ConfigFile $cf)
+    {
+        $this->_forms = [];
+        foreach (static::$all as $form) {
+            $class = static::get($form);
+            $this->_forms[] = new $class($cf);
+        }
+    }
+
+    /**
+     * Processes forms, returns true on successful save
+     *
+     * @param bool $allowPartialSave allows for partial form saving
+     *                               on failed validation
+     * @param bool $checkFormSubmit  whether check for $_POST['submit_save']
+     *
+     * @return boolean whether processing was successful
+     */
+    public function process($allowPartialSave = true, $checkFormSubmit = true)
+    {
+        $ret = true;
+        foreach ($this->_forms as $form) {
+            $ret = $ret && $form->process($allowPartialSave, $checkFormSubmit);
+        }
+        return $ret;
+    }
+
+    /**
+     * Displays errors
+     *
+     * @return string HTML for errors
+     */
+    public function displayErrors()
+    {
+        $ret = '';
+        foreach ($this->_forms as $form) {
+            $ret .= $form->displayErrors();
+        }
+        return $ret;
+    }
+
+    /**
+     * Reverts erroneous fields to their default values
+     *
+     * @return void
+     */
+    public function fixErrors()
+    {
+        foreach ($this->_forms as $form) {
+            $form->fixErrors();
+        }
+    }
+
+    /**
+     * Tells whether form validation failed
+     *
+     * @return boolean
+     */
+    public function hasErrors()
+    {
+        $ret = false;
+        foreach ($this->_forms as $form) {
+            $ret = $ret || $form->hasErrors();
+        }
+        return $ret;
+    }
+
+    /**
+     * Returns list of fields used in the form.
+     *
+     * @return string[]
+     */
+    public static function getFields()
+    {
+        $names = [];
+        foreach (static::$all as $form) {
+            $class = static::get($form);
+            $names = array_merge($names, $class::getFields());
+        }
+        return $names;
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/BrowseForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/BrowseForm.php
new file mode 100644
index 0000000..eee578a
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/BrowseForm.php
@@ -0,0 +1,30 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+use PhpMyAdmin\Config\Forms\User\MainForm;
+
+/**
+ * Class BrowseForm
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class BrowseForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'Browse' => MainForm::getForms()['Browse'],
+        ];
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/DbStructureForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/DbStructureForm.php
new file mode 100644
index 0000000..4f9a8e4
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/DbStructureForm.php
@@ -0,0 +1,30 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+use PhpMyAdmin\Config\Forms\User\MainForm;
+
+/**
+ * Class DbStructureForm
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class DbStructureForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'DbStructure' => MainForm::getForms()['DbStructure'],
+        ];
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/EditForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/EditForm.php
new file mode 100644
index 0000000..ad2fd46
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/EditForm.php
@@ -0,0 +1,32 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+use PhpMyAdmin\Config\Forms\User\FeaturesForm;
+use PhpMyAdmin\Config\Forms\User\MainForm;
+
+/**
+ * Class EditForm
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class EditForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'Edit' => MainForm::getForms()['Edit'],
+            'Text_fields' => FeaturesForm::getForms()['Text_fields'],
+        ];
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/ExportForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/ExportForm.php
new file mode 100644
index 0000000..584b2fd
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/ExportForm.php
@@ -0,0 +1,18 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+/**
+ * Class ExportForm
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class ExportForm extends \PhpMyAdmin\Config\Forms\User\ExportForm
+{
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/ImportForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/ImportForm.php
new file mode 100644
index 0000000..78e429a
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/ImportForm.php
@@ -0,0 +1,18 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+/**
+ * Class ImportForm
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class ImportForm extends \PhpMyAdmin\Config\Forms\User\ImportForm
+{
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/NaviForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/NaviForm.php
new file mode 100644
index 0000000..02350eb
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/NaviForm.php
@@ -0,0 +1,18 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+/**
+ * Class NaviForm
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class NaviForm extends \PhpMyAdmin\Config\Forms\User\NaviForm
+{
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/PageFormList.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/PageFormList.php
new file mode 100644
index 0000000..f4cae3d
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/PageFormList.php
@@ -0,0 +1,37 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Page preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+use PhpMyAdmin\Config\Forms\BaseFormList;
+
+/**
+ * Class PageFormList
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class PageFormList extends BaseFormList
+{
+    /**
+     * @var array
+     */
+    protected static $all = [
+        'Browse',
+        'DbStructure',
+        'Edit',
+        'Export',
+        'Import',
+        'Navi',
+        'Sql',
+        'TableStructure',
+    ];
+    /**
+     * @var string
+     */
+    protected static $ns = '\\PhpMyAdmin\\Config\\Forms\\Page\\';
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/SqlForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/SqlForm.php
new file mode 100644
index 0000000..4ed85ff
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/SqlForm.php
@@ -0,0 +1,18 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+/**
+ * Class SqlForm
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class SqlForm extends \PhpMyAdmin\Config\Forms\User\SqlForm
+{
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/TableStructureForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/TableStructureForm.php
new file mode 100644
index 0000000..05af064
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Page/TableStructureForm.php
@@ -0,0 +1,30 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Page;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+use PhpMyAdmin\Config\Forms\User\MainForm;
+
+/**
+ * Class TableStructureForm
+ * @package PhpMyAdmin\Config\Forms\Page
+ */
+class TableStructureForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'TableStructure' => MainForm::getForms()['TableStructure'],
+        ];
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ConfigForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ConfigForm.php
new file mode 100644
index 0000000..6fd4515
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ConfigForm.php
@@ -0,0 +1,32 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+
+/**
+ * Class ConfigForm
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class ConfigForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'Config' => [
+                'DefaultLang',
+                'ServerDefault',
+            ],
+        ];
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ExportForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ExportForm.php
new file mode 100644
index 0000000..adf7ce4
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ExportForm.php
@@ -0,0 +1,18 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+/**
+ * Class ExportForm
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class ExportForm extends \PhpMyAdmin\Config\Forms\User\ExportForm
+{
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/FeaturesForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/FeaturesForm.php
new file mode 100644
index 0000000..54f6cf2
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/FeaturesForm.php
@@ -0,0 +1,77 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+/**
+ * Class FeaturesForm
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class FeaturesForm extends \PhpMyAdmin\Config\Forms\User\FeaturesForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        // phpcs:disable Squiz.Arrays.ArrayDeclaration.KeySpecified,Squiz.Arrays.ArrayDeclaration.NoKeySpecified
+        $result = parent::getForms();
+        /* Remove only_db/hide_db, we have proper Server form in setup */
+        $result['Databases'] = array_diff(
+            $result['Databases'],
+            [
+                'Servers/1/only_db',
+                'Servers/1/hide_db',
+            ]
+        );
+        /* Following are not available to user */
+        $result['Import_export'] = [
+            'UploadDir',
+            'SaveDir',
+            'RecodingEngine' => ':group',
+            'IconvExtraParams',
+            ':group:end',
+            'ZipDump',
+            'GZipDump',
+            'BZipDump',
+            'CompressOnFly',
+        ];
+        $result['Security'] = [
+            'blowfish_secret',
+            'CheckConfigurationPermissions',
+            'TrustedProxies',
+            'AllowUserDropDatabase',
+            'AllowArbitraryServer',
+            'ArbitraryServerRegexp',
+            'LoginCookieRecall',
+            'LoginCookieStore',
+            'LoginCookieDeleteAll',
+            'CaptchaLoginPublicKey',
+            'CaptchaLoginPrivateKey',
+        ];
+        $result['Developer'] = [
+            'UserprefsDeveloperTab',
+            'DBG/sql',
+        ];
+        $result['Other_core_settings'] = [
+            'OBGzip',
+            'PersistentConnections',
+            'ExecTimeLimit',
+            'MemoryLimit',
+            'UseDbSearch',
+            'ProxyUrl',
+            'ProxyUser',
+            'ProxyPass',
+            'AllowThirdPartyFraming',
+            'ZeroConf',
+        ];
+        return $result;
+        // phpcs:enable
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ImportForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ImportForm.php
new file mode 100644
index 0000000..06adf35
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ImportForm.php
@@ -0,0 +1,18 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+/**
+ * Class ImportForm
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class ImportForm extends \PhpMyAdmin\Config\Forms\User\ImportForm
+{
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/MainForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/MainForm.php
new file mode 100644
index 0000000..ebdc1cd
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/MainForm.php
@@ -0,0 +1,29 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+/**
+ * Class MainForm
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class MainForm extends \PhpMyAdmin\Config\Forms\User\MainForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        $result = parent::getForms();
+        /* Following are not available to user */
+        $result['Startup'][] = 'ShowPhpInfo';
+        $result['Startup'][] = 'ShowChgPassword';
+        return $result;
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/NaviForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/NaviForm.php
new file mode 100644
index 0000000..da1e9ed
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/NaviForm.php
@@ -0,0 +1,18 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+/**
+ * Class NaviForm
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class NaviForm extends \PhpMyAdmin\Config\Forms\User\NaviForm
+{
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ServersForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ServersForm.php
new file mode 100644
index 0000000..553447f
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/ServersForm.php
@@ -0,0 +1,116 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+
+/**
+ * Class ServersForm
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class ServersForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        // phpcs:disable Squiz.Arrays.ArrayDeclaration.KeySpecified,Squiz.Arrays.ArrayDeclaration.NoKeySpecified
+        return [
+            'Server' => [
+                'Servers' => [
+                    1 => [
+                        'verbose',
+                        'host',
+                        'port',
+                        'socket',
+                        'ssl',
+                        'compress',
+                    ],
+                ],
+            ],
+            'Server_auth' => [
+                'Servers' => [
+                    1 => [
+                        'auth_type',
+                        ':group:' . __('Config authentication'),
+                        'user',
+                        'password',
+                        ':group:end',
+                        ':group:' . __('HTTP authentication'),
+                        'auth_http_realm',
+                        ':group:end',
+                        ':group:' . __('Signon authentication'),
+                        'SignonSession',
+                        'SignonURL',
+                        'LogoutURL',
+                    ],
+                ],
+            ],
+            'Server_config' => [
+                'Servers' => [
+                    1 => [
+                        'only_db',
+                        'hide_db',
+                        'AllowRoot',
+                        'AllowNoPassword',
+                        'DisableIS',
+                        'AllowDeny/order',
+                        'AllowDeny/rules',
+                        'SessionTimeZone',
+                    ],
+                ],
+            ],
+            'Server_pmadb' => [
+                'Servers' => [
+                    1 => [
+                        'pmadb' => 'phpmyadmin',
+                        'controlhost',
+                        'controlport',
+                        'controluser',
+                        'controlpass',
+                        'bookmarktable' => 'pma__bookmark',
+                        'relation' => 'pma__relation',
+                        'userconfig' => 'pma__userconfig',
+                        'users' => 'pma__users',
+                        'usergroups' => 'pma__usergroups',
+                        'navigationhiding' => 'pma__navigationhiding',
+                        'table_info' => 'pma__table_info',
+                        'column_info' => 'pma__column_info',
+                        'history' => 'pma__history',
+                        'recent' => 'pma__recent',
+                        'favorite' => 'pma__favorite',
+                        'table_uiprefs' => 'pma__table_uiprefs',
+                        'tracking' => 'pma__tracking',
+                        'table_coords' => 'pma__table_coords',
+                        'pdf_pages' => 'pma__pdf_pages',
+                        'savedsearches' => 'pma__savedsearches',
+                        'central_columns' => 'pma__central_columns',
+                        'designer_settings' => 'pma__designer_settings',
+                        'export_templates' => 'pma__export_templates',
+                        'MaxTableUiprefs' => 100,
+                    ],
+                ],
+            ],
+            'Server_tracking' => [
+                'Servers' => [
+                    1 => [
+                        'tracking_version_auto_create',
+                        'tracking_default_statements',
+                        'tracking_add_drop_view',
+                        'tracking_add_drop_table',
+                        'tracking_add_drop_database',
+                    ],
+                ],
+            ],
+        ];
+        // phpcs:enable
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/SetupFormList.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/SetupFormList.php
new file mode 100644
index 0000000..91edb27
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/SetupFormList.php
@@ -0,0 +1,37 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Setup preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+use PhpMyAdmin\Config\Forms\BaseFormList;
+
+/**
+ * Class SetupFormList
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class SetupFormList extends BaseFormList
+{
+    /**
+     * @var array
+     */
+    protected static $all = [
+        'Config',
+        'Export',
+        'Features',
+        'Import',
+        'Main',
+        'Navi',
+        'Servers',
+        'Sql',
+    ];
+    /**
+     * @var string
+     */
+    protected static $ns = '\\PhpMyAdmin\\Config\\Forms\\Setup\\';
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/SqlForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/SqlForm.php
new file mode 100644
index 0000000..0cc3a1c
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/Setup/SqlForm.php
@@ -0,0 +1,28 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\Setup;
+
+/**
+ * Class SqlForm
+ * @package PhpMyAdmin\Config\Forms\Setup
+ */
+class SqlForm extends \PhpMyAdmin\Config\Forms\User\SqlForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        $result = parent::getForms();
+        /* Following are not available to user */
+        $result['Sql_queries'][] = 'QueryHistoryDB';
+        return $result;
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/User/ExportForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/ExportForm.php
new file mode 100644
index 0000000..f2f853c
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/ExportForm.php
@@ -0,0 +1,160 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\User;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+
+/**
+ * Class ExportForm
+ * @package PhpMyAdmin\Config\Forms\User
+ */
+class ExportForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        // phpcs:disable Squiz.Arrays.ArrayDeclaration.KeySpecified,Squiz.Arrays.ArrayDeclaration.NoKeySpecified
+        return [
+            'Export_defaults' => [
+                'Export/method',
+                ':group:' . __('Quick'),
+                'Export/quick_export_onserver',
+                'Export/quick_export_onserver_overwrite',
+                ':group:end',
+                ':group:' . __('Custom'),
+                'Export/format',
+                'Export/compression',
+                'Export/charset',
+                'Export/lock_tables',
+                'Export/as_separate_files',
+                'Export/asfile' => ':group',
+                'Export/onserver',
+                'Export/onserver_overwrite',
+                ':group:end',
+                'Export/file_template_table',
+                'Export/file_template_database',
+                'Export/file_template_server',
+            ],
+            'Sql' => [
+                'Export/sql_include_comments' => ':group',
+                'Export/sql_dates',
+                'Export/sql_relation',
+                'Export/sql_mime',
+                ':group:end',
+                'Export/sql_use_transaction',
+                'Export/sql_disable_fk',
+                'Export/sql_views_as_tables',
+                'Export/sql_metadata',
+                'Export/sql_compatibility',
+                'Export/sql_structure_or_data',
+                ':group:' . __('Structure'),
+                'Export/sql_drop_database',
+                'Export/sql_create_database',
+                'Export/sql_drop_table',
+                'Export/sql_create_table' => ':group',
+                'Export/sql_if_not_exists',
+                'Export/sql_auto_increment',
+                ':group:end',
+                'Export/sql_create_view' => ':group',
+                'Export/sql_view_current_user',
+                'Export/sql_or_replace_view',
+                ':group:end',
+                'Export/sql_procedure_function',
+                'Export/sql_create_trigger',
+                'Export/sql_backquotes',
+                ':group:end',
+                ':group:' . __('Data'),
+                'Export/sql_delayed',
+                'Export/sql_ignore',
+                'Export/sql_type',
+                'Export/sql_insert_syntax',
+                'Export/sql_max_query_size',
+                'Export/sql_hex_for_binary',
+                'Export/sql_utc_time',
+            ],
+            'CodeGen' => [
+                'Export/codegen_format',
+            ],
+            'Csv' => [
+                ':group:' . __('CSV'),
+                'Export/csv_separator',
+                'Export/csv_enclosed',
+                'Export/csv_escaped',
+                'Export/csv_terminated',
+                'Export/csv_null',
+                'Export/csv_removeCRLF',
+                'Export/csv_columns',
+                ':group:end',
+                ':group:' . __('CSV for MS Excel'),
+                'Export/excel_null',
+                'Export/excel_removeCRLF',
+                'Export/excel_columns',
+                'Export/excel_edition',
+            ],
+            'Latex' => [
+                'Export/latex_caption',
+                'Export/latex_structure_or_data',
+                ':group:' . __('Structure'),
+                'Export/latex_structure_caption',
+                'Export/latex_structure_continued_caption',
+                'Export/latex_structure_label',
+                'Export/latex_relation',
+                'Export/latex_comments',
+                'Export/latex_mime',
+                ':group:end',
+                ':group:' . __('Data'),
+                'Export/latex_columns',
+                'Export/latex_data_caption',
+                'Export/latex_data_continued_caption',
+                'Export/latex_data_label',
+                'Export/latex_null',
+            ],
+            'Microsoft_Office' => [
+                ':group:' . __('Microsoft Word 2000'),
+                'Export/htmlword_structure_or_data',
+                'Export/htmlword_null',
+                'Export/htmlword_columns',
+            ],
+            'Open_Document' => [
+                ':group:' . __('OpenDocument Spreadsheet'),
+                'Export/ods_columns',
+                'Export/ods_null',
+                ':group:end',
+                ':group:' . __('OpenDocument Text'),
+                'Export/odt_structure_or_data',
+                ':group:' . __('Structure'),
+                'Export/odt_relation',
+                'Export/odt_comments',
+                'Export/odt_mime',
+                ':group:end',
+                ':group:' . __('Data'),
+                'Export/odt_columns',
+                'Export/odt_null',
+            ],
+            'Texy' => [
+                'Export/texytext_structure_or_data',
+                ':group:' . __('Data'),
+                'Export/texytext_null',
+                'Export/texytext_columns',
+            ],
+        ];
+        // phpcs:enable
+    }
+
+    /**
+     * @return string
+     */
+    public static function getName()
+    {
+        return __('Export');
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/User/FeaturesForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/FeaturesForm.php
new file mode 100644
index 0000000..58d3c24
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/FeaturesForm.php
@@ -0,0 +1,95 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\User;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+
+/**
+ * Class FeaturesForm
+ * @package PhpMyAdmin\Config\Forms\User
+ */
+class FeaturesForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        $result = [
+            'General' => [
+                'VersionCheck',
+                'NaturalOrder',
+                'InitialSlidersState',
+                'SkipLockedTables',
+                'DisableMultiTableMaintenance',
+                'ShowHint',
+                'SendErrorReports',
+                'ConsoleEnterExecutes',
+                'DisableShortcutKeys',
+            ],
+            'Databases' => [
+                'Servers/1/only_db', // saves to Server/only_db
+                'Servers/1/hide_db', // saves to Server/hide_db
+                'MaxDbList',
+                'MaxTableList',
+                'DefaultConnectionCollation',
+            ],
+            'Text_fields' => [
+                'CharEditing',
+                'MinSizeForInputField',
+                'MaxSizeForInputField',
+                'CharTextareaCols',
+                'CharTextareaRows',
+                'TextareaCols',
+                'TextareaRows',
+                'LongtextDoubleTextarea',
+            ],
+            'Page_titles' => [
+                'TitleDefault',
+                'TitleTable',
+                'TitleDatabase',
+                'TitleServer',
+            ],
+            'Warnings' => [
+                'PmaNoRelation_DisableWarning',
+                'SuhosinDisableWarning',
+                'LoginCookieValidityDisableWarning',
+                'ReservedWordDisableWarning',
+            ],
+            'Console' => [
+                'Console/Mode',
+                'Console/StartHistory',
+                'Console/AlwaysExpand',
+                'Console/CurrentQuery',
+                'Console/EnterExecutes',
+                'Console/DarkTheme',
+                'Console/Height',
+                'Console/GroupQueries',
+                'Console/OrderBy',
+                'Console/Order',
+            ],
+        ];
+        // skip Developer form if no setting is available
+        if ($GLOBALS['cfg']['UserprefsDeveloperTab']) {
+            $result['Developer'] = [
+                'DBG/sql',
+            ];
+        }
+        return $result;
+    }
+
+    /**
+     * @return string
+     */
+    public static function getName()
+    {
+        return __('Features');
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/User/ImportForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/ImportForm.php
new file mode 100644
index 0000000..c447567
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/ImportForm.php
@@ -0,0 +1,73 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\User;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+
+/**
+ * Class ImportForm
+ * @package PhpMyAdmin\Config\Forms\User
+ */
+class ImportForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'Import_defaults' => [
+                'Import/format',
+                'Import/charset',
+                'Import/allow_interrupt',
+                'Import/skip_queries',
+                'enable_drag_drop_import',
+            ],
+            'Sql' => [
+                'Import/sql_compatibility',
+                'Import/sql_no_auto_value_on_zero',
+                'Import/sql_read_as_multibytes',
+            ],
+            'Csv' => [
+                ':group:' . __('CSV'),
+                'Import/csv_replace',
+                'Import/csv_ignore',
+                'Import/csv_terminated',
+                'Import/csv_enclosed',
+                'Import/csv_escaped',
+                'Import/csv_col_names',
+                ':group:end',
+                ':group:' . __('CSV using LOAD DATA'),
+                'Import/ldi_replace',
+                'Import/ldi_ignore',
+                'Import/ldi_terminated',
+                'Import/ldi_enclosed',
+                'Import/ldi_escaped',
+                'Import/ldi_local_option',
+            ],
+            'Open_Document' => [
+                ':group:' . __('OpenDocument Spreadsheet'),
+                'Import/ods_col_names',
+                'Import/ods_empty_rows',
+                'Import/ods_recognize_percentages',
+                'Import/ods_recognize_currency',
+            ],
+
+        ];
+    }
+
+    /**
+     * @return string
+     */
+    public static function getName()
+    {
+        return __('Import');
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/User/MainForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/MainForm.php
new file mode 100644
index 0000000..907bbaa
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/MainForm.php
@@ -0,0 +1,98 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\User;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+
+/**
+ * Class MainForm
+ * @package PhpMyAdmin\Config\Forms\User
+ */
+class MainForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'Startup' => [
+                'ShowCreateDb',
+                'ShowStats',
+                'ShowServerInfo',
+            ],
+            'DbStructure' => [
+                'ShowDbStructureCharset',
+                'ShowDbStructureComment',
+                'ShowDbStructureCreation',
+                'ShowDbStructureLastUpdate',
+                'ShowDbStructureLastCheck',
+            ],
+            'TableStructure' => [
+                'HideStructureActions',
+                'ShowColumnComments',
+                ':group:' . __('Default transformations'),
+                'DefaultTransformations/Hex',
+                'DefaultTransformations/Substring',
+                'DefaultTransformations/Bool2Text',
+                'DefaultTransformations/External',
+                'DefaultTransformations/PreApPend',
+                'DefaultTransformations/DateFormat',
+                'DefaultTransformations/Inline',
+                'DefaultTransformations/TextImageLink',
+                'DefaultTransformations/TextLink',
+                ':group:end',
+            ],
+            'Browse' => [
+                'TableNavigationLinksMode',
+                'ActionLinksMode',
+                'ShowAll',
+                'MaxRows',
+                'Order',
+                'BrowsePointerEnable',
+                'BrowseMarkerEnable',
+                'GridEditing',
+                'SaveCellsAtOnce',
+                'RepeatCells',
+                'LimitChars',
+                'RowActionLinks',
+                'RowActionLinksWithoutUnique',
+                'TablePrimaryKeyOrder',
+                'RememberSorting',
+                'RelationalDisplay',
+            ],
+            'Edit' => [
+                'ProtectBinary',
+                'ShowFunctionFields',
+                'ShowFieldTypesInDataEditView',
+                'InsertRows',
+                'ForeignKeyDropdownOrder',
+                'ForeignKeyMaxLimit',
+            ],
+            'Tabs' => [
+                'TabsMode',
+                'DefaultTabServer',
+                'DefaultTabDatabase',
+                'DefaultTabTable',
+            ],
+            'DisplayRelationalSchema' => [
+                'PDFDefaultPageSize',
+            ],
+        ];
+    }
+
+    /**
+     * @return string
+     */
+    public static function getName()
+    {
+        return __('Main panel');
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/User/NaviForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/NaviForm.php
new file mode 100644
index 0000000..e2d373c
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/NaviForm.php
@@ -0,0 +1,74 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\User;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+
+/**
+ * Class NaviForm
+ * @package PhpMyAdmin\Config\Forms\User
+ */
+class NaviForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'Navi_panel' => [
+                'ShowDatabasesNavigationAsTree',
+                'NavigationLinkWithMainPanel',
+                'NavigationDisplayLogo',
+                'NavigationLogoLink',
+                'NavigationLogoLinkWindow',
+                'NavigationTreePointerEnable',
+                'FirstLevelNavigationItems',
+                'NavigationTreeDisplayItemFilterMinimum',
+                'NumRecentTables',
+                'NumFavoriteTables',
+                'NavigationWidth',
+            ],
+            'Navi_tree' => [
+                'MaxNavigationItems',
+                'NavigationTreeEnableGrouping',
+                'NavigationTreeEnableExpansion',
+                'NavigationTreeShowTables',
+                'NavigationTreeShowViews',
+                'NavigationTreeShowFunctions',
+                'NavigationTreeShowProcedures',
+                'NavigationTreeShowEvents',
+                'NavigationTreeAutoexpandSingleDb',
+            ],
+            'Navi_servers' => [
+                'NavigationDisplayServers',
+                'DisplayServersList',
+            ],
+            'Navi_databases' => [
+                'NavigationTreeDisplayDbFilterMinimum',
+                'NavigationTreeDbSeparator',
+            ],
+            'Navi_tables' => [
+                'NavigationTreeDefaultTabTable',
+                'NavigationTreeDefaultTabTable2',
+                'NavigationTreeTableSeparator',
+                'NavigationTreeTableLevel',
+            ],
+        ];
+    }
+
+    /**
+     * @return string
+     */
+    public static function getName()
+    {
+        return __('Navigation panel');
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/User/SqlForm.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/SqlForm.php
new file mode 100644
index 0000000..3d8ac7a
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/SqlForm.php
@@ -0,0 +1,54 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\User;
+
+use PhpMyAdmin\Config\Forms\BaseForm;
+
+/**
+ * Class SqlForm
+ * @package PhpMyAdmin\Config\Forms\User
+ */
+class SqlForm extends BaseForm
+{
+    /**
+     * @return array
+     */
+    public static function getForms()
+    {
+        return [
+            'Sql_queries' => [
+                'ShowSQL',
+                'Confirm',
+                'QueryHistoryMax',
+                'IgnoreMultiSubmitErrors',
+                'MaxCharactersInDisplayedSQL',
+                'RetainQueryBox',
+                'CodemirrorEnable',
+                'LintEnable',
+                'EnableAutocompleteForTablesAndColumns',
+                'DefaultForeignKeyChecks',
+            ],
+            'Sql_box' => [
+                'SQLQuery/Edit',
+                'SQLQuery/Explain',
+                'SQLQuery/ShowAsPHP',
+                'SQLQuery/Refresh',
+            ],
+        ];
+    }
+
+    /**
+     * @return string
+     */
+    public static function getName()
+    {
+        return __('SQL queries');
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Forms/User/UserFormList.php b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/UserFormList.php
new file mode 100644
index 0000000..92294ed
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Forms/User/UserFormList.php
@@ -0,0 +1,35 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * User preferences form
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config\Forms\User;
+
+use PhpMyAdmin\Config\Forms\BaseFormList;
+
+/**
+ * Class UserFormList
+ * @package PhpMyAdmin\Config\Forms\User
+ */
+class UserFormList extends BaseFormList
+{
+    /**
+     * @var array
+     */
+    protected static $all = [
+        'Features',
+        'Sql',
+        'Navi',
+        'Main',
+        'Export',
+        'Import',
+    ];
+    /**
+     * @var string
+     */
+    protected static $ns = '\\PhpMyAdmin\\Config\\Forms\\User\\';
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/PageSettings.php b/srcs/phpmyadmin/libraries/classes/Config/PageSettings.php
new file mode 100644
index 0000000..57232e1
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/PageSettings.php
@@ -0,0 +1,233 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Page-related settings
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Config\ConfigFile;
+use PhpMyAdmin\Config\FormDisplay;
+use PhpMyAdmin\Config\Forms\Page\PageFormList;
+use PhpMyAdmin\Core;
+use PhpMyAdmin\Message;
+use PhpMyAdmin\Response;
+use PhpMyAdmin\UserPreferences;
+
+/**
+ * Page-related settings
+ *
+ * @package PhpMyAdmin
+ */
+class PageSettings
+{
+
+    /**
+     * Contains id of the form element
+     * @var string
+     */
+    private $_elemId = 'page_settings_modal';
+
+    /**
+     * Name of the group to show
+     * @var string
+     */
+    private $_groupName = '';
+
+    /**
+     * Contains HTML of errors
+     * @var string
+     */
+    private $_errorHTML = '';
+
+    /**
+     * Contains HTML of settings
+     * @var string
+     */
+    private $_HTML = '';
+
+    /**
+     * @var UserPreferences
+     */
+    private $userPreferences;
+
+    /**
+     * Constructor
+     *
+     * @param string $formGroupName The name of config form group to display
+     * @param string $elemId        Id of the div containing settings
+     */
+    public function __construct($formGroupName, $elemId = null)
+    {
+        $this->userPreferences = new UserPreferences();
+
+        $formClass = PageFormList::get($formGroupName);
+        if ($formClass === null) {
+            return;
+        }
+
+        if (isset($_REQUEST['printview']) && $_REQUEST['printview'] == '1') {
+            return;
+        }
+
+        if (! empty($elemId)) {
+            $this->_elemId = $elemId;
+        }
+        $this->_groupName = $formGroupName;
+
+        $cf = new ConfigFile($GLOBALS['PMA_Config']->base_settings);
+        $this->userPreferences->pageInit($cf);
+
+        $formDisplay = new $formClass($cf);
+
+        // Process form
+        $error = null;
+        if (isset($_POST['submit_save'])
+            && $_POST['submit_save'] == $formGroupName
+        ) {
+            $this->_processPageSettings($formDisplay, $cf, $error);
+        }
+
+        // Display forms
+        $this->_HTML = $this->_getPageSettingsDisplay($formDisplay, $error);
+    }
+
+    /**
+     * Process response to form
+     *
+     * @param FormDisplay  $formDisplay Form
+     * @param ConfigFile   $cf          Configuration file
+     * @param Message|null $error       Error message
+     *
+     * @return void
+     */
+    private function _processPageSettings(&$formDisplay, &$cf, &$error)
+    {
+        if ($formDisplay->process(false) && ! $formDisplay->hasErrors()) {
+            // save settings
+            $result = $this->userPreferences->save($cf->getConfigArray());
+            if ($result === true) {
+                // reload page
+                $response = Response::getInstance();
+                Core::sendHeaderLocation(
+                    $response->getFooter()->getSelfUrl()
+                );
+                exit;
+            } else {
+                $error = $result;
+            }
+        }
+    }
+
+    /**
+     * Store errors in _errorHTML
+     *
+     * @param FormDisplay  $formDisplay Form
+     * @param Message|null $error       Error message
+     *
+     * @return void
+     */
+    private function _storeError(&$formDisplay, &$error)
+    {
+        $retval = '';
+        if ($error) {
+            $retval .= $error->getDisplay();
+        }
+        if ($formDisplay->hasErrors()) {
+            // form has errors
+            $retval .= '<div class="error config-form">'
+                . '<b>' . __(
+                    'Cannot save settings, submitted configuration form contains '
+                    . 'errors!'
+                ) . '</b>'
+                . $formDisplay->displayErrors()
+                . '</div>';
+        }
+        $this->_errorHTML = $retval;
+    }
+
+    /**
+     * Display page-related settings
+     *
+     * @param FormDisplay $formDisplay Form
+     * @param Message     $error       Error message
+     *
+     * @return string
+     */
+    private function _getPageSettingsDisplay(&$formDisplay, &$error)
+    {
+        $response = Response::getInstance();
+
+        $retval = '';
+
+        $this->_storeError($formDisplay, $error);
+
+        $retval .= '<div id="' . $this->_elemId . '">';
+        $retval .= '<div class="page_settings">';
+        $retval .= $formDisplay->getDisplay(
+            true,
+            true,
+            false,
+            $response->getFooter()->getSelfUrl(),
+            [
+                'submit_save' => $this->_groupName,
+            ]
+        );
+        $retval .= '</div>';
+        $retval .= '</div>';
+
+        return $retval;
+    }
+
+    /**
+     * Get HTML output
+     *
+     * @return string
+     */
+    public function getHTML()
+    {
+        return $this->_HTML;
+    }
+
+    /**
+     * Get error HTML output
+     *
+     * @return string
+     */
+    public function getErrorHTML()
+    {
+        return $this->_errorHTML;
+    }
+
+    /**
+     * Group to show for Page-related settings
+     * @param string $formGroupName The name of config form group to display
+     * @return PageSettings
+     */
+    public static function showGroup($formGroupName)
+    {
+        $object = new PageSettings($formGroupName);
+
+        $response = Response::getInstance();
+        $response->addHTML($object->getErrorHTML());
+        $response->addHTML($object->getHTML());
+
+        return $object;
+    }
+
+    /**
+     * Get HTML for navigation settings
+     * @return string
+     */
+    public static function getNaviSettings()
+    {
+        $object = new PageSettings('Navi', 'pma_navigation_settings');
+
+        $response = Response::getInstance();
+        $response->addHTML($object->getErrorHTML());
+        return $object->getHTML();
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/ServerConfigChecks.php b/srcs/phpmyadmin/libraries/classes/Config/ServerConfigChecks.php
new file mode 100644
index 0000000..1b0ac9d
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/ServerConfigChecks.php
@@ -0,0 +1,583 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Server config checks management
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Config\ConfigFile;
+use PhpMyAdmin\Config\Descriptions;
+use PhpMyAdmin\Core;
+use PhpMyAdmin\Sanitize;
+use PhpMyAdmin\Setup\Index as SetupIndex;
+use PhpMyAdmin\Url;
+use PhpMyAdmin\Util;
+
+/**
+ * Performs various compatibility, security and consistency checks on current config
+ *
+ * Outputs results to message list, must be called between SetupIndex::messagesBegin()
+ * and SetupIndex::messagesEnd()
+ *
+ * @package PhpMyAdmin
+ */
+class ServerConfigChecks
+{
+    /**
+     * @var ConfigFile configurations being checked
+     */
+    protected $cfg;
+
+    /**
+     * Constructor.
+     *
+     * @param ConfigFile $cfg Configuration
+     */
+    public function __construct(ConfigFile $cfg)
+    {
+        $this->cfg = $cfg;
+    }
+
+    /**
+     * Perform config checks
+     *
+     * @return void
+     */
+    public function performConfigChecks()
+    {
+        $blowfishSecret = $this->cfg->get('blowfish_secret');
+        $blowfishSecretSet = false;
+        $cookieAuthUsed = false;
+
+        list($cookieAuthUsed, $blowfishSecret, $blowfishSecretSet)
+            = $this->performConfigChecksServers(
+                $cookieAuthUsed,
+                $blowfishSecret,
+                $blowfishSecretSet
+            );
+
+        $this->performConfigChecksCookieAuthUsed(
+            $cookieAuthUsed,
+            $blowfishSecretSet,
+            $blowfishSecret
+        );
+
+        //
+        // $cfg['AllowArbitraryServer']
+        // should be disabled
+        //
+        if ($this->cfg->getValue('AllowArbitraryServer')) {
+            $sAllowArbitraryServerWarn = sprintf(
+                __(
+                    'This %soption%s should be disabled as it allows attackers to '
+                    . 'bruteforce login to any MySQL server. If you feel this is necessary, '
+                    . 'use %srestrict login to MySQL server%s or %strusted proxies list%s. '
+                    . 'However, IP-based protection with trusted proxies list may not be '
+                    . 'reliable if your IP belongs to an ISP where thousands of users, '
+                    . 'including you, are connected to.'
+                ),
+                '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Security]',
+                '[/a]',
+                '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Security]',
+                '[/a]',
+                '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Security]',
+                '[/a]'
+            );
+            SetupIndex::messagesSet(
+                'notice',
+                'AllowArbitraryServer',
+                Descriptions::get('AllowArbitraryServer'),
+                Sanitize::sanitizeMessage($sAllowArbitraryServerWarn)
+            );
+        }
+
+        $this->performConfigChecksLoginCookie();
+
+        $sDirectoryNotice = __(
+            'This value should be double checked to ensure that this directory is '
+            . 'neither world accessible nor readable or writable by other users on '
+            . 'your server.'
+        );
+
+        //
+        // $cfg['SaveDir']
+        // should not be world-accessible
+        //
+        if ($this->cfg->getValue('SaveDir') != '') {
+            SetupIndex::messagesSet(
+                'notice',
+                'SaveDir',
+                Descriptions::get('SaveDir'),
+                Sanitize::sanitizeMessage($sDirectoryNotice)
+            );
+        }
+
+        //
+        // $cfg['TempDir']
+        // should not be world-accessible
+        //
+        if ($this->cfg->getValue('TempDir') != '') {
+            SetupIndex::messagesSet(
+                'notice',
+                'TempDir',
+                Descriptions::get('TempDir'),
+                Sanitize::sanitizeMessage($sDirectoryNotice)
+            );
+        }
+
+        $this->performConfigChecksZips();
+    }
+
+    /**
+     * Check config of servers
+     *
+     * @param boolean $cookieAuthUsed    Cookie auth is used
+     * @param string  $blowfishSecret    Blowfish secret
+     * @param boolean $blowfishSecretSet Blowfish secret set
+     *
+     * @return array
+     */
+    protected function performConfigChecksServers(
+        $cookieAuthUsed,
+        $blowfishSecret,
+        $blowfishSecretSet
+    ) {
+        $serverCnt = $this->cfg->getServerCount();
+        for ($i = 1; $i <= $serverCnt; $i++) {
+            $cookieAuthServer
+                = ($this->cfg->getValue("Servers/$i/auth_type") == 'cookie');
+            $cookieAuthUsed |= $cookieAuthServer;
+            $serverName = $this->performConfigChecksServersGetServerName(
+                $this->cfg->getServerName($i),
+                $i
+            );
+            $serverName = htmlspecialchars($serverName);
+
+            list($blowfishSecret, $blowfishSecretSet)
+                = $this->performConfigChecksServersSetBlowfishSecret(
+                    $blowfishSecret,
+                    $cookieAuthServer,
+                    $blowfishSecretSet
+                );
+
+            //
+            // $cfg['Servers'][$i]['ssl']
+            // should be enabled if possible
+            //
+            if (! $this->cfg->getValue("Servers/$i/ssl")) {
+                $title = Descriptions::get('Servers/1/ssl') . " ($serverName)";
+                SetupIndex::messagesSet(
+                    'notice',
+                    "Servers/$i/ssl",
+                    $title,
+                    __(
+                        'You should use SSL connections if your database server '
+                        . 'supports it.'
+                    )
+                );
+            }
+            $sSecurityInfoMsg = Sanitize::sanitizeMessage(sprintf(
+                __(
+                    'If you feel this is necessary, use additional protection settings - '
+                    . '%1$shost authentication%2$s settings and %3$strusted proxies list%4%s. '
+                    . 'However, IP-based protection may not be reliable if your IP belongs '
+                    . 'to an ISP where thousands of users, including you, are connected to.'
+                ),
+                '[a@' . Url::getCommon(['page' => 'servers', 'mode' => 'edit', 'id' => $i]) . '#tab_Server_config]',
+                '[/a]',
+                '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Security]',
+                '[/a]'
+            ));
+
+            //
+            // $cfg['Servers'][$i]['auth_type']
+            // warn about full user credentials if 'auth_type' is 'config'
+            //
+            if ($this->cfg->getValue("Servers/$i/auth_type") == 'config'
+                && $this->cfg->getValue("Servers/$i/user") != ''
+                && $this->cfg->getValue("Servers/$i/password") != ''
+            ) {
+                $title = Descriptions::get('Servers/1/auth_type')
+                    . " ($serverName)";
+                SetupIndex::messagesSet(
+                    'notice',
+                    "Servers/$i/auth_type",
+                    $title,
+                    Sanitize::sanitizeMessage(sprintf(
+                        __(
+                            'You set the [kbd]config[/kbd] authentication type and included '
+                            . 'username and password for auto-login, which is not a desirable '
+                            . 'option for live hosts. Anyone who knows or guesses your phpMyAdmin '
+                            . 'URL can directly access your phpMyAdmin panel. Set %1$sauthentication '
+                            . 'type%2$s to [kbd]cookie[/kbd] or [kbd]http[/kbd].'
+                        ),
+                        '[a@' . Url::getCommon(['page' => 'servers', 'mode' => 'edit', 'id' => $i]) . '#tab_Server]',
+                        '[/a]'
+                    ))
+                    . ' ' . $sSecurityInfoMsg
+                );
+            }
+
+            //
+            // $cfg['Servers'][$i]['AllowRoot']
+            // $cfg['Servers'][$i]['AllowNoPassword']
+            // serious security flaw
+            //
+            if ($this->cfg->getValue("Servers/$i/AllowRoot")
+                && $this->cfg->getValue("Servers/$i/AllowNoPassword")
+            ) {
+                $title = Descriptions::get('Servers/1/AllowNoPassword')
+                    . " ($serverName)";
+                SetupIndex::messagesSet(
+                    'notice',
+                    "Servers/$i/AllowNoPassword",
+                    $title,
+                    __('You allow for connecting to the server without a password.')
+                    . ' ' . $sSecurityInfoMsg
+                );
+            }
+        }
+        return [
+            $cookieAuthUsed,
+            $blowfishSecret,
+            $blowfishSecretSet,
+        ];
+    }
+
+    /**
+     * Set blowfish secret
+     *
+     * @param string  $blowfishSecret    Blowfish secret
+     * @param boolean $cookieAuthServer  Cookie auth is used
+     * @param boolean $blowfishSecretSet Blowfish secret set
+     *
+     * @return array
+     */
+    protected function performConfigChecksServersSetBlowfishSecret(
+        $blowfishSecret,
+        $cookieAuthServer,
+        $blowfishSecretSet
+    ) {
+        if ($cookieAuthServer && $blowfishSecret === null) {
+            $blowfishSecretSet = true;
+            $this->cfg->set('blowfish_secret', Util::generateRandom(32));
+        }
+        return [
+            $blowfishSecret,
+            $blowfishSecretSet,
+        ];
+    }
+
+    /**
+     * Define server name
+     *
+     * @param string $serverName Server name
+     * @param int    $serverId   Server id
+     *
+     * @return string Server name
+     */
+    protected function performConfigChecksServersGetServerName(
+        $serverName,
+        $serverId
+    ) {
+        if ($serverName == 'localhost') {
+            $serverName .= " [$serverId]";
+            return $serverName;
+        }
+        return $serverName;
+    }
+
+    /**
+     * Perform config checks for zip part.
+     *
+     * @return void
+     */
+    protected function performConfigChecksZips()
+    {
+        $this->performConfigChecksServerGZipdump();
+        $this->performConfigChecksServerBZipdump();
+        $this->performConfigChecksServersZipdump();
+    }
+
+    /**
+     * Perform config checks for zip part.
+     *
+     * @return void
+     */
+    protected function performConfigChecksServersZipdump()
+    {
+        //
+        // $cfg['ZipDump']
+        // requires zip_open in import
+        //
+        if ($this->cfg->getValue('ZipDump') && ! $this->functionExists('zip_open')) {
+            SetupIndex::messagesSet(
+                'error',
+                'ZipDump_import',
+                Descriptions::get('ZipDump'),
+                Sanitize::sanitizeMessage(sprintf(
+                    __(
+                        '%sZip decompression%s requires functions (%s) which are unavailable '
+                        . 'on this system.'
+                    ),
+                    '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Import_export]',
+                    '[/a]',
+                    'zip_open'
+                ))
+            );
+        }
+
+        //
+        // $cfg['ZipDump']
+        // requires gzcompress in export
+        //
+        if ($this->cfg->getValue('ZipDump') && ! $this->functionExists('gzcompress')) {
+            SetupIndex::messagesSet(
+                'error',
+                'ZipDump_export',
+                Descriptions::get('ZipDump'),
+                Sanitize::sanitizeMessage(sprintf(
+                    __(
+                        '%sZip compression%s requires functions (%s) which are unavailable on '
+                        . 'this system.'
+                    ),
+                    '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Import_export]',
+                    '[/a]',
+                    'gzcompress'
+                ))
+            );
+        }
+    }
+
+    /**
+     * Check config of servers
+     *
+     * @param boolean $cookieAuthUsed    Cookie auth is used
+     * @param boolean $blowfishSecretSet Blowfish secret set
+     * @param string  $blowfishSecret    Blowfish secret
+     *
+     * @return void
+     */
+    protected function performConfigChecksCookieAuthUsed(
+        $cookieAuthUsed,
+        $blowfishSecretSet,
+        $blowfishSecret
+    ) {
+        //
+        // $cfg['blowfish_secret']
+        // it's required for 'cookie' authentication
+        //
+        if ($cookieAuthUsed) {
+            if ($blowfishSecretSet) {
+                // 'cookie' auth used, blowfish_secret was generated
+                SetupIndex::messagesSet(
+                    'notice',
+                    'blowfish_secret_created',
+                    Descriptions::get('blowfish_secret'),
+                    Sanitize::sanitizeMessage(__(
+                        'You didn\'t have blowfish secret set and have enabled '
+                        . '[kbd]cookie[/kbd] authentication, so a key was automatically '
+                        . 'generated for you. It is used to encrypt cookies; you don\'t need to '
+                        . 'remember it.'
+                    ))
+                );
+            } else {
+                $blowfishWarnings = [];
+                // check length
+                if (strlen($blowfishSecret) < 32) {
+                    // too short key
+                    $blowfishWarnings[] = __(
+                        'Key is too short, it should have at least 32 characters.'
+                    );
+                }
+                // check used characters
+                $hasDigits = (bool) preg_match('/\d/', $blowfishSecret);
+                $hasChars = (bool) preg_match('/\S/', $blowfishSecret);
+                $hasNonword = (bool) preg_match('/\W/', $blowfishSecret);
+                if (! $hasDigits || ! $hasChars || ! $hasNonword) {
+                    $blowfishWarnings[] = Sanitize::sanitizeMessage(
+                        __(
+                            'Key should contain letters, numbers [em]and[/em] '
+                            . 'special characters.'
+                        )
+                    );
+                }
+                if (! empty($blowfishWarnings)) {
+                    SetupIndex::messagesSet(
+                        'error',
+                        'blowfish_warnings' . count($blowfishWarnings),
+                        Descriptions::get('blowfish_secret'),
+                        implode('<br>', $blowfishWarnings)
+                    );
+                }
+            }
+        }
+    }
+
+    /**
+     * Check configuration for login cookie
+     *
+     * @return void
+     */
+    protected function performConfigChecksLoginCookie()
+    {
+        //
+        // $cfg['LoginCookieValidity']
+        // value greater than session.gc_maxlifetime will cause
+        // random session invalidation after that time
+        $loginCookieValidity = $this->cfg->getValue('LoginCookieValidity');
+        if ($loginCookieValidity > ini_get('session.gc_maxlifetime')
+        ) {
+            SetupIndex::messagesSet(
+                'error',
+                'LoginCookieValidity',
+                Descriptions::get('LoginCookieValidity'),
+                Sanitize::sanitizeMessage(sprintf(
+                    __(
+                        '%1$sLogin cookie validity%2$s greater than %3$ssession.gc_maxlifetime%4$s may '
+                        . 'cause random session invalidation (currently session.gc_maxlifetime '
+                        . 'is %5$d).'
+                    ),
+                    '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Security]',
+                    '[/a]',
+                    '[a@' . Core::getPHPDocLink('session.configuration.php#ini.session.gc-maxlifetime') . ']',
+                    '[/a]',
+                    ini_get('session.gc_maxlifetime')
+                ))
+            );
+        }
+
+        //
+        // $cfg['LoginCookieValidity']
+        // should be at most 1800 (30 min)
+        //
+        if ($loginCookieValidity > 1800) {
+            SetupIndex::messagesSet(
+                'notice',
+                'LoginCookieValidity',
+                Descriptions::get('LoginCookieValidity'),
+                Sanitize::sanitizeMessage(sprintf(
+                    __(
+                        '%sLogin cookie validity%s should be set to 1800 seconds (30 minutes) '
+                        . 'at most. Values larger than 1800 may pose a security risk such as '
+                        . 'impersonation.'
+                    ),
+                    '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Security]',
+                    '[/a]'
+                ))
+            );
+        }
+
+        //
+        // $cfg['LoginCookieValidity']
+        // $cfg['LoginCookieStore']
+        // LoginCookieValidity must be less or equal to LoginCookieStore
+        //
+        if (($this->cfg->getValue('LoginCookieStore') != 0)
+            && ($loginCookieValidity > $this->cfg->getValue('LoginCookieStore'))
+        ) {
+            SetupIndex::messagesSet(
+                'error',
+                'LoginCookieValidity',
+                Descriptions::get('LoginCookieValidity'),
+                Sanitize::sanitizeMessage(sprintf(
+                    __(
+                        'If using [kbd]cookie[/kbd] authentication and %sLogin cookie store%s '
+                        . 'is not 0, %sLogin cookie validity%s must be set to a value less or '
+                        . 'equal to it.'
+                    ),
+                    '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Security]',
+                    '[/a]',
+                    '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Security]',
+                    '[/a]'
+                ))
+            );
+        }
+    }
+
+    /**
+     * Check GZipDump configuration
+     *
+     * @return void
+     */
+    protected function performConfigChecksServerBZipdump()
+    {
+        //
+        // $cfg['BZipDump']
+        // requires bzip2 functions
+        //
+        if ($this->cfg->getValue('BZipDump')
+            && (! $this->functionExists('bzopen') || ! $this->functionExists('bzcompress'))
+        ) {
+            $functions = $this->functionExists('bzopen')
+                ? '' :
+                'bzopen';
+            $functions .= $this->functionExists('bzcompress')
+                ? ''
+                : ($functions ? ', ' : '') . 'bzcompress';
+            SetupIndex::messagesSet(
+                'error',
+                'BZipDump',
+                Descriptions::get('BZipDump'),
+                Sanitize::sanitizeMessage(
+                    sprintf(
+                        __(
+                            '%1$sBzip2 compression and decompression%2$s requires functions (%3$s) which '
+                             . 'are unavailable on this system.'
+                        ),
+                        '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Import_export]',
+                        '[/a]',
+                        $functions
+                    )
+                )
+            );
+        }
+    }
+
+    /**
+     * Check GZipDump configuration
+     *
+     * @return void
+     */
+    protected function performConfigChecksServerGZipdump()
+    {
+        //
+        // $cfg['GZipDump']
+        // requires zlib functions
+        //
+        if ($this->cfg->getValue('GZipDump')
+            && (! $this->functionExists('gzopen') || ! $this->functionExists('gzencode'))
+        ) {
+            SetupIndex::messagesSet(
+                'error',
+                'GZipDump',
+                Descriptions::get('GZipDump'),
+                Sanitize::sanitizeMessage(sprintf(
+                    __(
+                        '%1$sGZip compression and decompression%2$s requires functions (%3$s) which '
+                        . 'are unavailable on this system.'
+                    ),
+                    '[a@' . Url::getCommon(['page' => 'form', 'formset' => 'Features']) . '#tab_Import_export]',
+                    '[/a]',
+                    'gzencode'
+                ))
+            );
+        }
+    }
+
+    /**
+     * Wrapper around function_exists to allow mock in test
+     *
+     * @param string $name Function name
+     *
+     * @return boolean
+     */
+    protected function functionExists($name)
+    {
+        return function_exists($name);
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/SpecialSchemaLinks.php b/srcs/phpmyadmin/libraries/classes/Config/SpecialSchemaLinks.php
new file mode 100644
index 0000000..e0af136
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/SpecialSchemaLinks.php
@@ -0,0 +1,478 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Links configuration for MySQL system tables
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Util;
+
+/**
+ * Class SpecialSchemaLinks
+ * @package PhpMyAdmin\Config
+ */
+class SpecialSchemaLinks
+{
+    /**
+     * This array represent the details for generating links inside
+     * special schemas like mysql, information_schema etc.
+     * Major element represent a schema.
+     * All the strings in this array represented in lower case
+     *
+     * Array structure ex:
+     * array(
+     *     // Database name is the major element
+     *     'mysql' => array(
+     *         // Table name
+     *         'db' => array(
+     *             // Column name
+     *             'user' => array(
+     *                 // Main url param (can be an array where represent sql)
+     *                 'link_param' => 'username',
+     *                 // Other url params
+     *                 'link_dependancy_params' => array(
+     *                     0 => array(
+     *                         // URL parameter name
+     *                         // (can be array where url param has static value)
+     *                         'param_info' => 'hostname',
+     *                         // Column name related to url param
+     *                         'column_name' => 'host'
+     *                     )
+     *                 ),
+     *                 // Page to link
+     *                 'default_page' => './server_privileges.php'
+     *             )
+     *         )
+     *     )
+     * );
+     *
+     * @return array
+     */
+    public static function get(): array
+    {
+        global $cfg;
+
+        $defaultPage = './' . Util::getScriptNameForOption(
+            $cfg['DefaultTabTable'],
+            'table'
+        );
+
+        return [
+            'mysql' => [
+                'columns_priv' => [
+                    'user' => [
+                        'link_param' => 'username',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'hostname',
+                                'column_name' => 'host',
+                            ],
+                        ],
+                        'default_page' => './server_privileges.php',
+                    ],
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'Db',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                    'column_name' => [
+                        'link_param' => 'field',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'Db',
+                            ],
+                            1 => [
+                                'param_info' => 'table',
+                                'column_name' => 'Table_name',
+                            ],
+                        ],
+                        'default_page' => './tbl_structure.php?change_column=1',
+                    ],
+                ],
+                'db' => [
+                    'user' => [
+                        'link_param' => 'username',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'hostname',
+                                'column_name' => 'host',
+                            ],
+                        ],
+                        'default_page' => './server_privileges.php',
+                    ],
+                ],
+                'event' => [
+                    'name' => [
+                        'link_param' => 'item_name',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'db',
+                            ],
+                        ],
+                        'default_page' => './db_events.php?edit_item=1',
+                    ],
+
+                ],
+                'innodb_index_stats' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'database_name',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                    'index_name' => [
+                        'link_param' => 'index',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'database_name',
+                            ],
+                            1 => [
+                                'param_info' => 'table',
+                                'column_name' => 'table_name',
+                            ],
+                        ],
+                        'default_page' => './tbl_structure.php',
+                    ],
+                ],
+                'innodb_table_stats' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'database_name',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                ],
+                'proc' => [
+                    'name' => [
+                        'link_param' => 'item_name',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'db',
+                            ],
+                            1 => [
+                                'param_info' => 'item_type',
+                                'column_name' => 'type',
+                            ],
+                        ],
+                        'default_page' => './db_routines.php?edit_item=1',
+                    ],
+                    'specific_name' => [
+                        'link_param' => 'item_name',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'db',
+                            ],
+                            1 => [
+                                'param_info' => 'item_type',
+                                'column_name' => 'type',
+                            ],
+                        ],
+                        'default_page' => './db_routines.php?edit_item=1',
+                    ],
+                ],
+                'proc_priv' => [
+                    'user' => [
+                        'link_param' => 'username',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'hostname',
+                                'column_name' => 'Host',
+                            ],
+                        ],
+                        'default_page' => './server_privileges.php',
+                    ],
+                    'routine_name' => [
+                        'link_param' => 'item_name',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'Db',
+                            ],
+                            1 => [
+                                'param_info' => 'item_type',
+                                'column_name' => 'Routine_type',
+                            ],
+                        ],
+                        'default_page' => './db_routines.php?edit_item=1',
+                    ],
+                ],
+                'proxies_priv' => [
+                    'user' => [
+                        'link_param' => 'username',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'hostname',
+                                'column_name' => 'Host',
+                            ],
+                        ],
+                        'default_page' => './server_privileges.php',
+                    ],
+                ],
+                'tables_priv' => [
+                    'user' => [
+                        'link_param' => 'username',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'hostname',
+                                'column_name' => 'Host',
+                            ],
+                        ],
+                        'default_page' => './server_privileges.php',
+                    ],
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'Db',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                ],
+                'user' => [
+                    'user' => [
+                        'link_param' => 'username',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'hostname',
+                                'column_name' => 'host',
+                            ],
+                        ],
+                        'default_page' => './server_privileges.php',
+                    ],
+                ],
+            ],
+            'information_schema' => [
+                'columns' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                    'column_name' => [
+                        'link_param' => 'field',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                            1 => [
+                                'param_info' => 'table',
+                                'column_name' => 'table_name',
+                            ],
+                        ],
+                        'default_page' => './tbl_structure.php?change_column=1',
+                    ],
+                ],
+                'key_column_usage' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'constraint_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                    'column_name' => [
+                        'link_param' => 'field',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                            1 => [
+                                'param_info' => 'table',
+                                'column_name' => 'table_name',
+                            ],
+                        ],
+                        'default_page' => './tbl_structure.php?change_column=1',
+                    ],
+                    'referenced_table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'referenced_table_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                    'referenced_column_name' => [
+                        'link_param' => 'field',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'referenced_table_schema',
+                            ],
+                            1 => [
+                                'param_info' => 'table',
+                                'column_name' => 'referenced_table_name',
+                            ],
+                        ],
+                        'default_page' => './tbl_structure.php?change_column=1',
+                    ],
+                ],
+                'partitions' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                ],
+                'processlist' => [
+                    'user' => [
+                        'link_param' => 'username',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'hostname',
+                                'column_name' => 'host',
+                            ],
+                        ],
+                        'default_page' => './server_privileges.php',
+                    ],
+                ],
+                'referential_constraints' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'constraint_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                    'referenced_table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'constraint_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                ],
+                'routines' => [
+                    'routine_name' => [
+                        'link_param' => 'item_name',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'routine_schema',
+                            ],
+                            1 => [
+                                'param_info' => 'item_type',
+                                'column_name' => 'routine_type',
+                            ],
+                        ],
+                        'default_page' => './db_routines.php',
+                    ],
+                ],
+                'schemata' => [
+                    'schema_name' => [
+                        'link_param' => 'db',
+                        'default_page' => $defaultPage,
+                    ],
+                ],
+                'statistics' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                    'column_name' => [
+                        'link_param' => 'field',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                            1 => [
+                                'param_info' => 'table',
+                                'column_name' => 'table_name',
+                            ],
+                        ],
+                        'default_page' => './tbl_structure.php?change_column=1',
+                    ],
+                ],
+                'tables' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                ],
+                'table_constraints' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                ],
+                'views' => [
+                    'table_name' => [
+                        'link_param' => 'table',
+                        'link_dependancy_params' => [
+                            0 => [
+                                'param_info' => 'db',
+                                'column_name' => 'table_schema',
+                            ],
+                        ],
+                        'default_page' => $defaultPage,
+                    ],
+                ],
+            ],
+        ];
+    }
+}
diff --git a/srcs/phpmyadmin/libraries/classes/Config/Validator.php b/srcs/phpmyadmin/libraries/classes/Config/Validator.php
new file mode 100644
index 0000000..8294a90
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Config/Validator.php
@@ -0,0 +1,594 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Form validation for configuration editor
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Config;
+
+use PhpMyAdmin\Config\ConfigFile;
+use PhpMyAdmin\Core;
+use PhpMyAdmin\DatabaseInterface;
+use PhpMyAdmin\Util;
+use function mysql_close;
+use function mysql_connect;
+use function mysqli_close;
+use function mysqli_connect;
+
+/**
+ * Validation class for various validation functions
+ *
+ * Validation function takes two argument: id for which it is called
+ * and array of fields' values (usually values for entire formset, as defined
+ * in forms.inc.php).
+ * The function must always return an array with an error (or error array)
+ * assigned to a form element (formset name or field path). Even if there are
+ * no errors, key must be set with an empty value.
+ *
+ * Validation functions are assigned in $cfg_db['_validators'] (config.values.php).
+ *
+ * @package PhpMyAdmin
+ */
+class Validator
+{
+    /**
+     * Returns validator list
+     *
+     * @param ConfigFile $cf Config file instance
+     *
+     * @return array
+     */
+    public static function getValidators(ConfigFile $cf)
+    {
+        static $validators = null;
+
+        if ($validators !== null) {
+            return $validators;
+        }
+
+        $validators = $cf->getDbEntry('_validators', []);
+        if ($GLOBALS['PMA_Config']->get('is_setup')) {
+            return $validators;
+        }
+
+        // not in setup script: load additional validators for user
+        // preferences we need original config values not overwritten
+        // by user preferences, creating a new PhpMyAdmin\Config instance is a
+        // better idea than hacking into its code
+        $uvs = $cf->getDbEntry('_userValidators', []);
+        foreach ($uvs as $field => $uvList) {
+            $uvList = (array) $uvList;
+            foreach ($uvList as &$uv) {
+                if (! is_array($uv)) {
+                    continue;
+                }
+                for ($i = 1, $nb = count($uv); $i < $nb; $i++) {
+                    if (mb_substr($uv[$i], 0, 6) == 'value:') {
+                        $uv[$i] = Core::arrayRead(
+                            mb_substr($uv[$i], 6),
+                            $GLOBALS['PMA_Config']->base_settings
+                        );
+                    }
+                }
+            }
+            $validators[$field] = isset($validators[$field])
+                ? array_merge((array) $validators[$field], $uvList)
+                : $uvList;
+        }
+        return $validators;
+    }
+
+    /**
+     * Runs validation $validator_id on values $values and returns error list.
+     *
+     * Return values:
+     * o array, keys - field path or formset id, values - array of errors
+     *   when $isPostSource is true values is an empty array to allow for error list
+     *   cleanup in HTML document
+     * o false - when no validators match name(s) given by $validator_id
+     *
+     * @param ConfigFile   $cf           Config file instance
+     * @param string|array $validatorId  ID of validator(s) to run
+     * @param array        $values       Values to validate
+     * @param bool         $isPostSource tells whether $values are directly from
+     *                                   POST request
+     *
+     * @return bool|array
+     */
+    public static function validate(
+        ConfigFile $cf,
+        $validatorId,
+        array &$values,
+        $isPostSource
+    ) {
+        // find validators
+        $validatorId = (array) $validatorId;
+        $validators = static::getValidators($cf);
+        $vids = [];
+        foreach ($validatorId as &$vid) {
+            $vid = $cf->getCanonicalPath($vid);
+            if (isset($validators[$vid])) {
+                $vids[] = $vid;
+            }
+        }
+        if (empty($vids)) {
+            return false;
+        }
+
+        // create argument list with canonical paths and remember path mapping
+        $arguments = [];
+        $keyMap = [];
+        foreach ($values as $k => $v) {
+            $k2 = $isPostSource ? str_replace('-', '/', $k) : $k;
+            $k2 = mb_strpos($k2, '/')
+                ? $cf->getCanonicalPath($k2)
+                : $k2;
+            $keyMap[$k2] = $k;
+            $arguments[$k2] = $v;
+        }
+
+        // validate
+        $result = [];
+        foreach ($vids as $vid) {
+            // call appropriate validation functions
+            foreach ((array) $validators[$vid] as $validator) {
+                $vdef = (array) $validator;
+                $vname = array_shift($vdef);
+                $vname = 'PhpMyAdmin\Config\Validator::' . $vname;
+                $args = array_merge([$vid, &$arguments], $vdef);
+                $r = call_user_func_array($vname, $args);
+
+                // merge results
+                if (! is_array($r)) {
+                    continue;
+                }
+
+                foreach ($r as $key => $errorList) {
+                    // skip empty values if $isPostSource is false
+                    if (! $isPostSource && empty($errorList)) {
+                        continue;
+                    }
+                    if (! isset($result[$key])) {
+                        $result[$key] = [];
+                    }
+                    $result[$key] = array_merge(
+                        $result[$key],
+                        (array) $errorList
+                    );
+                }
+            }
+        }
+
+        // restore original paths
+        $newResult = [];
+        foreach ($result as $k => $v) {
+            $k2 = isset($keyMap[$k]) ? $keyMap[$k] : $k;
+            if (is_array($v)) {
+                $newResult[$k2] = array_map('htmlspecialchars', $v);
+            } else {
+                $newResult[$k2] = htmlspecialchars($v);
+            }
+        }
+        return empty($newResult) ? true : $newResult;
+    }
+
+    /**
+     * Test database connection
+     *
+     * @param string $host     host name
+     * @param string $port     tcp port to use
+     * @param string $socket   socket to use
+     * @param string $user     username to use
+     * @param string $pass     password to use
+     * @param string $errorKey key to use in return array
+     *
+     * @return bool|array
+     */
+    public static function testDBConnection(
+        $host,
+        $port,
+        $socket,
+        $user,
+        $pass = null,
+        $errorKey = 'Server'
+    ) {
+        if ($GLOBALS['cfg']['DBG']['demo']) {
+            // Connection test disabled on the demo server!
+            return true;
+        }
+
+        $error = null;
+        $host = Core::sanitizeMySQLHost($host);
+
+        error_clear_last();
+
+        if (DatabaseInterface::checkDbExtension('mysqli')) {
+            $socket = empty($socket) ? null : $socket;
+            $port = empty($port) ? null : $port;
+            $extension = 'mysqli';
+        } else {
+            $socket = empty($socket) ? null : ':' . ($socket[0] == '/' ? '' : '/') . $socket;
+            $port = empty($port) ? null : ':' . $port;
+            $extension = 'mysql';
+        }
+
+        if ($extension == 'mysql') {
+            $conn = @mysql_connect($host . $port . $socket, $user, $pass);
+            if (! $conn) {
+                $error = __('Could not connect to the database server!');
+            } else {
+                mysql_close($conn);
+            }
+        } else {
+            $conn = @mysqli_connect($host, $user, $pass, null, $port, $socket);
+            if (! $conn) {
+                $error = __('Could not connect to the database server!');
+            } else {
+                mysqli_close($conn);
+            }
+        }
+        if ($error !== null) {
+            $lastError = error_get_last();
+            if ($lastError !== null) {
+                $error .= ' - ' . $lastError['message'];
+            }
+        }
+        return $error === null ? true : [$errorKey => $error];
+    }
+
+    /**
+     * Validate server config
+     *
+     * @param string $path   path to config, not used
+     *                       keep this parameter since the method is invoked using
+     *                       reflection along with other similar methods
+     * @param array  $values config values
+     *
+     * @return array
+     */
+    public static function validateServer($path, array $values)
+    {
+        $result = [
+            'Server' => '',
+            'Servers/1/user' => '',
+            'Servers/1/SignonSession' => '',
+            'Servers/1/SignonURL' => '',
+        ];
+        $error = false;
+        if (empty($values['Servers/1/auth_type'])) {
+            $values['Servers/1/auth_type'] = '';
+            $result['Servers/1/auth_type'] = __('Invalid authentication type!');
+            $error = true;
+        }
+        if ($values['Servers/1/auth_type'] == 'config'
+            && empty($values['Servers/1/user'])
+        ) {
+            $result['Servers/1/user'] = __(
+                'Empty username while using [kbd]config[/kbd] authentication method!'
+            );
+            $error = true;
+        }
+        if ($values['Servers/1/auth_type'] == 'signon'
+            && empty($values['Servers/1/SignonSession'])
+        ) {
+            $result['Servers/1/SignonSession'] = __(
+                'Empty signon session name '
+                . 'while using [kbd]signon[/kbd] authentication method!'
+            );
+            $error = true;
+        }
+        if ($values['Servers/1/auth_type'] == 'signon'
+            && empty($values['Servers/1/SignonURL'])
+        ) {
+            $result['Servers/1/SignonURL'] = __(
+                'Empty signon URL while using [kbd]signon[/kbd] authentication '
+                . 'method!'
+            );
+            $error = true;
+        }
+
+        if (! $error && $values['Servers/1/auth_type'] == 'config') {
+            $password = '';
+            if (! empty($values['Servers/1/password'])) {
+                $password = $values['Servers/1/password'];
+            }
+            $test = static::testDBConnection(
+                empty($values['Servers/1/host']) ? '' : $values['Servers/1/host'],
+                empty($values['Servers/1/port']) ? '' : $values['Servers/1/port'],
+                empty($values['Servers/1/socket']) ? '' : $values['Servers/1/socket'],
+                empty($values['Servers/1/user']) ? '' : $values['Servers/1/user'],
+                $password,
+                'Server'
+            );
+
+            if ($test !== true) {
+                $result = array_merge($result, $test);
+            }
+        }
+        return $result;
+    }
+
+    /**
+     * Validate pmadb config
+     *
+     * @param string $path   path to config, not used
+     *                       keep this parameter since the method is invoked using
+     *                       reflection along with other similar methods
+     * @param array  $values config values
+     *
+     * @return array
+     */
+    public static function validatePMAStorage($path, array $values)
+    {
+        $result = [
+            'Server_pmadb' => '',
+            'Servers/1/controluser' => '',
+            'Servers/1/controlpass' => '',
+        ];
+        $error = false;
+
+        if (empty($values['Servers/1/pmadb'])) {
+            return $result;
+        }
+
+        $result = [];
+        if (empty($values['Servers/1/controluser'])) {
+            $result['Servers/1/controluser'] = __(
+                'Empty phpMyAdmin control user while using phpMyAdmin configuration '
+                . 'storage!'
+            );
+            $error = true;
+        }
+        if (empty($values['Servers/1/controlpass'])) {
+            $result['Servers/1/controlpass'] = __(
+                'Empty phpMyAdmin control user password while using phpMyAdmin '
+                . 'configuration storage!'
+            );
+            $error = true;
+        }
+        if (! $error) {
+            $test = static::testDBConnection(
+                empty($values['Servers/1/host']) ? '' : $values['Servers/1/host'],
+                empty($values['Servers/1/port']) ? '' : $values['Servers/1/port'],
+                empty($values['Servers/1/socket']) ? '' : $values['Servers/1/socket'],
+                empty($values['Servers/1/controluser']) ? '' : $values['Servers/1/controluser'],
+                empty($values['Servers/1/controlpass']) ? '' : $values['Servers/1/controlpass'],
+                'Server_pmadb'
+            );
+            if ($test !== true) {
+                $result = array_merge($result, $test);
+            }
+        }
+        return $result;
+    }
+
+
+    /**
+     * Validates regular expression
+     *
+     * @param string $path   path to config
+     * @param array  $values config values
+     *
+     * @return array
+     */
+    public static function validateRegex($path, array $values)
+    {
+        $result = [$path => ''];
+
+        if (empty($values[$path])) {
+            return $result;
+        }
+
+        error_clear_last();
+
+        $matches = [];
+        // in libraries/ListDatabase.php _checkHideDatabase(),
+        // a '/' is used as the delimiter for hide_db
+        @preg_match('/' . Util::requestString($values[$path]) . '/', '', $matches);
+
+        $currentError = error_get_last();
+
+        if ($currentError !== null) {
+            $error = preg_replace('/^preg_match\(\): /', '', $currentError['message']);
+            return [$path => $error];
+        }
+
+        return $result;
+    }
+
+    /**
+     * Validates TrustedProxies field
+     *
+     * @param string $path   path to config
+     * @param array  $values config values
+     *
+     * @return array
+     */
+    public static function validateTrustedProxies($path, array $values)
+    {
+        $result = [$path => []];
+
+        if (empty($values[$path])) {
+            return $result;
+        }
+
+        if (is_array($values[$path]) || is_object($values[$path])) {
+            // value already processed by FormDisplay::save
+            $lines = [];
+            foreach ($values[$path] as $ip => $v) {
+                $v = Util::requestString($v);
+                $lines[] = preg_match('/^-\d+$/', $ip)
+                    ? $v
+                    : $ip . ': ' . $v;
+            }
+        } else {
+            // AJAX validation
+            $lines = explode("\n", $values[$path]);
+        }
+        foreach ($lines as $line) {
+            $line = trim($line);
+            $matches = [];
+            // we catch anything that may (or may not) be an IP
+            if (! preg_match("/^(.+):(?:[ ]?)\\w+$/", $line, $matches)) {
+                $result[$path][] = __('Incorrect value:') . ' '
+                    . htmlspecialchars($line);
+                continue;
+            }
+            // now let's check whether we really have an IP address
+            if (filter_var($matches[1], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) === false
+                && filter_var($matches[1], FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === false
+            ) {
+                $ip = htmlspecialchars(trim($matches[1]));
+                $result[$path][] = sprintf(__('Incorrect IP address: %s'), $ip);
+                continue;
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * Tests integer value
+     *
+     * @param string $path          path to config
+     * @param array  $values        config values
+     * @param bool   $allowNegative allow negative values
+     * @param bool   $allowZero     allow zero
+     * @param int    $maxValue      max allowed value
+     * @param string $errorString   error message string
+     *
+     * @return string  empty string if test is successful
+     */
+    public static function validateNumber(
+        $path,
+        array $values,
+        $allowNegative,
+        $allowZero,
+        $maxValue,
+        $errorString
+    ) {
+        if (empty($values[$path])) {
+            return '';
+        }
+
+        $value = Util::requestString($values[$path]);
+
+        if (intval($value) != $value
+            || (! $allowNegative && $value < 0)
+            || (! $allowZero && $value == 0)
+            || $value > $maxValue
+        ) {
+            return $errorString;
+        }
+
+        return '';
+    }
+
+    /**
+     * Validates port number
+     *
+     * @param string $path   path to config
+     * @param array  $values config values
+     *
+     * @return array
+     */
+    public static function validatePortNumber($path, array $values)
+    {
+        return [
+            $path => static::validateNumber(
+                $path,
+                $values,
+                false,
+                false,
+                65535,
+                __('Not a valid port number!')
+            ),
+        ];
+    }
+
+    /**
+     * Validates positive number
+     *
+     * @param string $path   path to config
+     * @param array  $values config values
+     *
+     * @return array
+     */
+    public static function validatePositiveNumber($path, array $values)
+    {
+        return [
+            $path => static::validateNumber(
+                $path,
+                $values,
+                false,
+                false,
+                PHP_INT_MAX,
+                __('Not a positive number!')
+            ),
+        ];
+    }
+
+    /**
+     * Validates non-negative number
+     *
+     * @param string $path   path to config
+     * @param array  $values config values
+     *
+     * @return array
+     */
+    public static function validateNonNegativeNumber($path, array $values)
+    {
+        return [
+            $path => static::validateNumber(
+                $path,
+                $values,
+                false,
+                true,
+                PHP_INT_MAX,
+                __('Not a non-negative number!')
+            ),
+        ];
+    }
+
+    /**
+     * Validates value according to given regular expression
+     * Pattern and modifiers must be a valid for PCRE <b>and</b> JavaScript RegExp
+     *
+     * @param string $path   path to config
+     * @param array  $values config values
+     * @param string $regex  regular expression to match
+     *
+     * @return array|string
+     */
+    public static function validateByRegex($path, array $values, $regex)
+    {
+        if (! isset($values[$path])) {
+            return '';
+        }
+        $result = preg_match($regex, Util::requestString($values[$path]));
+        return [$path => $result ? '' : __('Incorrect value!')];
+    }
+
+    /**
+     * Validates upper bound for numeric inputs
+     *
+     * @param string $path     path to config
+     * @param array  $values   config values
+     * @param int    $maxValue maximal allowed value
+     *
+     * @return array
+     */
+    public static function validateUpperBound($path, array $values, $maxValue)
+    {
+        $result = $values[$path] <= $maxValue;
+        return [
+            $path => $result ? '' : sprintf(
+                __('Value must be less than or equal to %s!'),
+                $maxValue
+            ),
+        ];
+    }
+}