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Diffstat (limited to 'srcs/wordpress/wp-includes/load.php')
| -rw-r--r-- | srcs/wordpress/wp-includes/load.php | 1555 |
1 files changed, 1555 insertions, 0 deletions
diff --git a/srcs/wordpress/wp-includes/load.php b/srcs/wordpress/wp-includes/load.php new file mode 100644 index 0000000..e147220 --- /dev/null +++ b/srcs/wordpress/wp-includes/load.php @@ -0,0 +1,1555 @@ +<?php +/** + * These functions are needed to load WordPress. + * + * @package WordPress + */ + +/** + * Return the HTTP protocol sent by the server. + * + * @since 4.4.0 + * + * @return string The HTTP protocol. Default: HTTP/1.0. + */ +function wp_get_server_protocol() { + $protocol = isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : ''; + if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) { + $protocol = 'HTTP/1.0'; + } + return $protocol; +} + +/** + * Turn register globals off. + * + * @since 2.1.0 + * @access private + */ +function wp_unregister_GLOBALS() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid + if ( ! ini_get( 'register_globals' ) ) { + return; + } + + if ( isset( $_REQUEST['GLOBALS'] ) ) { + die( 'GLOBALS overwrite attempt detected' ); + } + + // Variables that shouldn't be unset + $no_unset = array( 'GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix' ); + + $input = array_merge( $_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset( $_SESSION ) && is_array( $_SESSION ) ? $_SESSION : array() ); + foreach ( $input as $k => $v ) { + if ( ! in_array( $k, $no_unset ) && isset( $GLOBALS[ $k ] ) ) { + unset( $GLOBALS[ $k ] ); + } + } +} + +/** + * Fix `$_SERVER` variables for various setups. + * + * @since 3.0.0 + * @access private + * + * @global string $PHP_SELF The filename of the currently executing script, + * relative to the document root. + */ +function wp_fix_server_vars() { + global $PHP_SELF; + + $default_server_values = array( + 'SERVER_SOFTWARE' => '', + 'REQUEST_URI' => '', + ); + + $_SERVER = array_merge( $default_server_values, $_SERVER ); + + // Fix for IIS when running with PHP ISAPI + if ( empty( $_SERVER['REQUEST_URI'] ) || ( PHP_SAPI != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) { + + if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) { + // IIS Mod-Rewrite + $_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL']; + } elseif ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) { + // IIS Isapi_Rewrite + $_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL']; + } else { + // Use ORIG_PATH_INFO if there is no PATH_INFO + if ( ! isset( $_SERVER['PATH_INFO'] ) && isset( $_SERVER['ORIG_PATH_INFO'] ) ) { + $_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO']; + } + + // Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice) + if ( isset( $_SERVER['PATH_INFO'] ) ) { + if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] ) { + $_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO']; + } else { + $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO']; + } + } + + // Append the query string if it exists and isn't null + if ( ! empty( $_SERVER['QUERY_STRING'] ) ) { + $_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING']; + } + } + } + + // Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests + if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && ( strpos( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) == strlen( $_SERVER['SCRIPT_FILENAME'] ) - 7 ) ) { + $_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED']; + } + + // Fix for Dreamhost and other PHP as CGI hosts + if ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false ) { + unset( $_SERVER['PATH_INFO'] ); + } + + // Fix empty PHP_SELF + $PHP_SELF = $_SERVER['PHP_SELF']; + if ( empty( $PHP_SELF ) ) { + $_SERVER['PHP_SELF'] = preg_replace( '/(\?.*)?$/', '', $_SERVER['REQUEST_URI'] ); + $PHP_SELF = $_SERVER['PHP_SELF']; + } +} + +/** + * Check for the required PHP version, and the MySQL extension or + * a database drop-in. + * + * Dies if requirements are not met. + * + * @since 3.0.0 + * @access private + * + * @global string $required_php_version The required PHP version string. + * @global string $wp_version The WordPress version string. + */ +function wp_check_php_mysql_versions() { + global $required_php_version, $wp_version; + $php_version = phpversion(); + + if ( version_compare( $required_php_version, $php_version, '>' ) ) { + $protocol = wp_get_server_protocol(); + header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 ); + header( 'Content-Type: text/html; charset=utf-8' ); + printf( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.', $php_version, $wp_version, $required_php_version ); + exit( 1 ); + } + + if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! extension_loaded( 'mysqlnd' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) { + require_once( ABSPATH . WPINC . '/functions.php' ); + wp_load_translations_early(); + $args = array( + 'exit' => false, + 'code' => 'mysql_not_found', + ); + wp_die( + __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ), + __( 'Requirements Not Met' ), + $args + ); + exit( 1 ); + } +} + +/** + * Don't load all of WordPress when handling a favicon.ico request. + * + * Instead, send the headers for a zero-length favicon and bail. + * + * @since 3.0.0 + */ +function wp_favicon_request() { + if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) { + header( 'Content-Type: image/vnd.microsoft.icon' ); + exit; + } +} + +/** + * Die with a maintenance message when conditions are met. + * + * Checks for a file in the WordPress root directory named ".maintenance". + * This file will contain the variable $upgrading, set to the time the file + * was created. If the file was created less than 10 minutes ago, WordPress + * enters maintenance mode and displays a message. + * + * The default message can be replaced by using a drop-in (maintenance.php in + * the wp-content directory). + * + * @since 3.0.0 + * @access private + * + * @global int $upgrading the unix timestamp marking when upgrading WordPress began. + */ +function wp_maintenance() { + if ( ! file_exists( ABSPATH . '.maintenance' ) || wp_installing() ) { + return; + } + + global $upgrading; + + include( ABSPATH . '.maintenance' ); + // If the $upgrading timestamp is older than 10 minutes, don't die. + if ( ( time() - $upgrading ) >= 600 ) { + return; + } + + /** + * Filters whether to enable maintenance mode. + * + * This filter runs before it can be used by plugins. It is designed for + * non-web runtimes. If this filter returns true, maintenance mode will be + * active and the request will end. If false, the request will be allowed to + * continue processing even if maintenance mode should be active. + * + * @since 4.6.0 + * + * @param bool $enable_checks Whether to enable maintenance mode. Default true. + * @param int $upgrading The timestamp set in the .maintenance file. + */ + if ( ! apply_filters( 'enable_maintenance_mode', true, $upgrading ) ) { + return; + } + + if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) { + require_once( WP_CONTENT_DIR . '/maintenance.php' ); + die(); + } + + require_once( ABSPATH . WPINC . '/functions.php' ); + wp_load_translations_early(); + + header( 'Retry-After: 600' ); + + wp_die( + __( 'Briefly unavailable for scheduled maintenance. Check back in a minute.' ), + __( 'Maintenance' ), + 503 + ); +} + +/** + * Start the WordPress micro-timer. + * + * @since 0.71 + * @access private + * + * @global float $timestart Unix timestamp set at the beginning of the page load. + * @see timer_stop() + * + * @return bool Always returns true. + */ +function timer_start() { + global $timestart; + $timestart = microtime( true ); + return true; +} + +/** + * Retrieve or display the time from the page start to when function is called. + * + * @since 0.71 + * + * @global float $timestart Seconds from when timer_start() is called. + * @global float $timeend Seconds from when function is called. + * + * @param int|bool $display Whether to echo or return the results. Accepts 0|false for return, + * 1|true for echo. Default 0|false. + * @param int $precision The number of digits from the right of the decimal to display. + * Default 3. + * @return string The "second.microsecond" finished time calculation. The number is formatted + * for human consumption, both localized and rounded. + */ +function timer_stop( $display = 0, $precision = 3 ) { + global $timestart, $timeend; + $timeend = microtime( true ); + $timetotal = $timeend - $timestart; + $r = ( function_exists( 'number_format_i18n' ) ) ? number_format_i18n( $timetotal, $precision ) : number_format( $timetotal, $precision ); + if ( $display ) { + echo $r; + } + return $r; +} + +/** + * Set PHP error reporting based on WordPress debug settings. + * + * Uses three constants: `WP_DEBUG`, `WP_DEBUG_DISPLAY`, and `WP_DEBUG_LOG`. + * All three can be defined in wp-config.php. By default, `WP_DEBUG` and + * `WP_DEBUG_LOG` are set to false, and `WP_DEBUG_DISPLAY` is set to true. + * + * When `WP_DEBUG` is true, all PHP notices are reported. WordPress will also + * display internal notices: when a deprecated WordPress function, function + * argument, or file is used. Deprecated code may be removed from a later + * version. + * + * It is strongly recommended that plugin and theme developers use `WP_DEBUG` + * in their development environments. + * + * `WP_DEBUG_DISPLAY` and `WP_DEBUG_LOG` perform no function unless `WP_DEBUG` + * is true. + * + * When `WP_DEBUG_DISPLAY` is true, WordPress will force errors to be displayed. + * `WP_DEBUG_DISPLAY` defaults to true. Defining it as null prevents WordPress + * from changing the global configuration setting. Defining `WP_DEBUG_DISPLAY` + * as false will force errors to be hidden. + * + * When `WP_DEBUG_LOG` is true, errors will be logged to `wp-content/debug.log`. + * When `WP_DEBUG_LOG` is a valid path, errors will be logged to the specified file. + * + * Errors are never displayed for XML-RPC, REST, and Ajax requests. + * + * @since 3.0.0 + * @since 5.1.0 `WP_DEBUG_LOG` can be a file path. + * @access private + */ +function wp_debug_mode() { + /** + * Filters whether to allow the debug mode check to occur. + * + * This filter runs before it can be used by plugins. It is designed for + * non-web run-times. Returning false causes the `WP_DEBUG` and related + * constants to not be checked and the default php values for errors + * will be used unless you take care to update them yourself. + * + * @since 4.6.0 + * + * @param bool $enable_debug_mode Whether to enable debug mode checks to occur. Default true. + */ + if ( ! apply_filters( 'enable_wp_debug_mode_checks', true ) ) { + return; + } + + if ( WP_DEBUG ) { + error_reporting( E_ALL ); + + if ( WP_DEBUG_DISPLAY ) { + ini_set( 'display_errors', 1 ); + } elseif ( null !== WP_DEBUG_DISPLAY ) { + ini_set( 'display_errors', 0 ); + } + + if ( in_array( strtolower( (string) WP_DEBUG_LOG ), array( 'true', '1' ), true ) ) { + $log_path = WP_CONTENT_DIR . '/debug.log'; + } elseif ( is_string( WP_DEBUG_LOG ) ) { + $log_path = WP_DEBUG_LOG; + } else { + $log_path = false; + } + + if ( $log_path ) { + ini_set( 'log_errors', 1 ); + ini_set( 'error_log', $log_path ); + } + } else { + error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR ); + } + + if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) || wp_doing_ajax() || wp_is_json_request() ) { + ini_set( 'display_errors', 0 ); + } +} + +/** + * Set the location of the language directory. + * + * To set directory manually, define the `WP_LANG_DIR` constant + * in wp-config.php. + * + * If the language directory exists within `WP_CONTENT_DIR`, it + * is used. Otherwise the language directory is assumed to live + * in `WPINC`. + * + * @since 3.0.0 + * @access private + */ +function wp_set_lang_dir() { + if ( ! defined( 'WP_LANG_DIR' ) ) { + if ( file_exists( WP_CONTENT_DIR . '/languages' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) || ! @is_dir( ABSPATH . WPINC . '/languages' ) ) { + /** + * Server path of the language directory. + * + * No leading slash, no trailing slash, full path, not relative to ABSPATH + * + * @since 2.1.0 + */ + define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' ); + if ( ! defined( 'LANGDIR' ) ) { + // Old static relative path maintained for limited backward compatibility - won't work in some cases. + define( 'LANGDIR', 'wp-content/languages' ); + } + } else { + /** + * Server path of the language directory. + * + * No leading slash, no trailing slash, full path, not relative to `ABSPATH`. + * + * @since 2.1.0 + */ + define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' ); + if ( ! defined( 'LANGDIR' ) ) { + // Old relative path maintained for backward compatibility. + define( 'LANGDIR', WPINC . '/languages' ); + } + } + } +} + +/** + * Load the database class file and instantiate the `$wpdb` global. + * + * @since 2.5.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + */ +function require_wp_db() { + global $wpdb; + + require_once( ABSPATH . WPINC . '/wp-db.php' ); + if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) { + require_once( WP_CONTENT_DIR . '/db.php' ); + } + + if ( isset( $wpdb ) ) { + return; + } + + $dbuser = defined( 'DB_USER' ) ? DB_USER : ''; + $dbpassword = defined( 'DB_PASSWORD' ) ? DB_PASSWORD : ''; + $dbname = defined( 'DB_NAME' ) ? DB_NAME : ''; + $dbhost = defined( 'DB_HOST' ) ? DB_HOST : ''; + + $wpdb = new wpdb( $dbuser, $dbpassword, $dbname, $dbhost ); +} + +/** + * Set the database table prefix and the format specifiers for database + * table columns. + * + * Columns not listed here default to `%s`. + * + * @since 3.0.0 + * @access private + * + * @global wpdb $wpdb WordPress database abstraction object. + * @global string $table_prefix The database table prefix. + */ +function wp_set_wpdb_vars() { + global $wpdb, $table_prefix; + if ( ! empty( $wpdb->error ) ) { + dead_db(); + } + + $wpdb->field_types = array( + 'post_author' => '%d', + 'post_parent' => '%d', + 'menu_order' => '%d', + 'term_id' => '%d', + 'term_group' => '%d', + 'term_taxonomy_id' => '%d', + 'parent' => '%d', + 'count' => '%d', + 'object_id' => '%d', + 'term_order' => '%d', + 'ID' => '%d', + 'comment_ID' => '%d', + 'comment_post_ID' => '%d', + 'comment_parent' => '%d', + 'user_id' => '%d', + 'link_id' => '%d', + 'link_owner' => '%d', + 'link_rating' => '%d', + 'option_id' => '%d', + 'blog_id' => '%d', + 'meta_id' => '%d', + 'post_id' => '%d', + 'user_status' => '%d', + 'umeta_id' => '%d', + 'comment_karma' => '%d', + 'comment_count' => '%d', + // multisite: + 'active' => '%d', + 'cat_id' => '%d', + 'deleted' => '%d', + 'lang_id' => '%d', + 'mature' => '%d', + 'public' => '%d', + 'site_id' => '%d', + 'spam' => '%d', + ); + + $prefix = $wpdb->set_prefix( $table_prefix ); + + if ( is_wp_error( $prefix ) ) { + wp_load_translations_early(); + wp_die( + sprintf( + /* translators: 1: $table_prefix, 2: wp-config.php */ + __( '<strong>ERROR</strong>: %1$s in %2$s can only contain numbers, letters, and underscores.' ), + '<code>$table_prefix</code>', + '<code>wp-config.php</code>' + ) + ); + } +} + +/** + * Toggle `$_wp_using_ext_object_cache` on and off without directly + * touching global. + * + * @since 3.7.0 + * + * @global bool $_wp_using_ext_object_cache + * + * @param bool $using Whether external object cache is being used. + * @return bool The current 'using' setting. + */ +function wp_using_ext_object_cache( $using = null ) { + global $_wp_using_ext_object_cache; + $current_using = $_wp_using_ext_object_cache; + if ( null !== $using ) { + $_wp_using_ext_object_cache = $using; + } + return $current_using; +} + +/** + * Start the WordPress object cache. + * + * If an object-cache.php file exists in the wp-content directory, + * it uses that drop-in as an external object cache. + * + * @since 3.0.0 + * @access private + * + * @global array $wp_filter Stores all of the filters. + */ +function wp_start_object_cache() { + global $wp_filter; + static $first_init = true; + + // Only perform the following checks once. + if ( $first_init ) { + if ( ! function_exists( 'wp_cache_init' ) ) { + /* + * This is the normal situation. First-run of this function. No + * caching backend has been loaded. + * + * We try to load a custom caching backend, and then, if it + * results in a wp_cache_init() function existing, we note + * that an external object cache is being used. + */ + if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { + require_once( WP_CONTENT_DIR . '/object-cache.php' ); + if ( function_exists( 'wp_cache_init' ) ) { + wp_using_ext_object_cache( true ); + } + + // Re-initialize any hooks added manually by object-cache.php + if ( $wp_filter ) { + $wp_filter = WP_Hook::build_preinitialized_hooks( $wp_filter ); + } + } + } elseif ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { + /* + * Sometimes advanced-cache.php can load object-cache.php before + * this function is run. This breaks the function_exists() check + * above and can result in wp_using_ext_object_cache() returning + * false when actually an external cache is in use. + */ + wp_using_ext_object_cache( true ); + } + } + + if ( ! wp_using_ext_object_cache() ) { + require_once( ABSPATH . WPINC . '/cache.php' ); + } + + /* + * If cache supports reset, reset instead of init if already + * initialized. Reset signals to the cache that global IDs + * have changed and it may need to update keys and cleanup caches. + */ + if ( ! $first_init && function_exists( 'wp_cache_switch_to_blog' ) ) { + wp_cache_switch_to_blog( get_current_blog_id() ); + } elseif ( function_exists( 'wp_cache_init' ) ) { + wp_cache_init(); + } + + if ( function_exists( 'wp_cache_add_global_groups' ) ) { + wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'site-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'blog_meta' ) ); + wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) ); + } + + $first_init = false; +} + +/** + * Redirect to the installer if WordPress is not installed. + * + * Dies with an error message when Multisite is enabled. + * + * @since 3.0.0 + * @access private + */ +function wp_not_installed() { + if ( is_multisite() ) { + if ( ! is_blog_installed() && ! wp_installing() ) { + nocache_headers(); + + wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) ); + } + } elseif ( ! is_blog_installed() && ! wp_installing() ) { + nocache_headers(); + + require( ABSPATH . WPINC . '/kses.php' ); + require( ABSPATH . WPINC . '/pluggable.php' ); + + $link = wp_guess_url() . '/wp-admin/install.php'; + + wp_redirect( $link ); + die(); + } +} + +/** + * Retrieve an array of must-use plugin files. + * + * The default directory is wp-content/mu-plugins. To change the default + * directory manually, define `WPMU_PLUGIN_DIR` and `WPMU_PLUGIN_URL` + * in wp-config.php. + * + * @since 3.0.0 + * @access private + * + * @return array Files to include. + */ +function wp_get_mu_plugins() { + $mu_plugins = array(); + if ( ! is_dir( WPMU_PLUGIN_DIR ) ) { + return $mu_plugins; + } + $dh = opendir( WPMU_PLUGIN_DIR ); + if ( ! $dh ) { + return $mu_plugins; + } + while ( ( $plugin = readdir( $dh ) ) !== false ) { + if ( substr( $plugin, -4 ) == '.php' ) { + $mu_plugins[] = WPMU_PLUGIN_DIR . '/' . $plugin; + } + } + closedir( $dh ); + sort( $mu_plugins ); + + return $mu_plugins; +} + +/** + * Retrieve an array of active and valid plugin files. + * + * While upgrading or installing WordPress, no plugins are returned. + * + * The default directory is `wp-content/plugins`. To change the default + * directory manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL` + * in `wp-config.php`. + * + * @since 3.0.0 + * @access private + * + * @return string[] $plugin_file Array of paths to plugin files relative to the plugins directory. + */ +function wp_get_active_and_valid_plugins() { + $plugins = array(); + $active_plugins = (array) get_option( 'active_plugins', array() ); + + // Check for hacks file if the option is enabled + if ( get_option( 'hack_file' ) && file_exists( ABSPATH . 'my-hacks.php' ) ) { + _deprecated_file( 'my-hacks.php', '1.5.0' ); + array_unshift( $plugins, ABSPATH . 'my-hacks.php' ); + } + + if ( empty( $active_plugins ) || wp_installing() ) { + return $plugins; + } + + $network_plugins = is_multisite() ? wp_get_active_network_plugins() : false; + + foreach ( $active_plugins as $plugin ) { + if ( ! validate_file( $plugin ) // $plugin must validate as file + && '.php' == substr( $plugin, -4 ) // $plugin must end with '.php' + && file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist + // not already included as a network plugin + && ( ! $network_plugins || ! in_array( WP_PLUGIN_DIR . '/' . $plugin, $network_plugins ) ) + ) { + $plugins[] = WP_PLUGIN_DIR . '/' . $plugin; + } + } + + /* + * Remove plugins from the list of active plugins when we're on an endpoint + * that should be protected against WSODs and the plugin is paused. + */ + if ( wp_is_recovery_mode() ) { + $plugins = wp_skip_paused_plugins( $plugins ); + } + + return $plugins; +} + +/** + * Filters a given list of plugins, removing any paused plugins from it. + * + * @since 5.2.0 + * + * @param array $plugins List of absolute plugin main file paths. + * @return array Filtered value of $plugins, without any paused plugins. + */ +function wp_skip_paused_plugins( array $plugins ) { + $paused_plugins = wp_paused_plugins()->get_all(); + + if ( empty( $paused_plugins ) ) { + return $plugins; + } + + foreach ( $plugins as $index => $plugin ) { + list( $plugin ) = explode( '/', plugin_basename( $plugin ) ); + + if ( array_key_exists( $plugin, $paused_plugins ) ) { + unset( $plugins[ $index ] ); + + // Store list of paused plugins for displaying an admin notice. + $GLOBALS['_paused_plugins'][ $plugin ] = $paused_plugins[ $plugin ]; + } + } + + return $plugins; +} + +/** + * Retrieves an array of active and valid themes. + * + * While upgrading or installing WordPress, no themes are returned. + * + * @since 5.1.0 + * @access private + * + * @return array Array of paths to theme directories. + */ +function wp_get_active_and_valid_themes() { + global $pagenow; + + $themes = array(); + + if ( wp_installing() && 'wp-activate.php' !== $pagenow ) { + return $themes; + } + + if ( TEMPLATEPATH !== STYLESHEETPATH ) { + $themes[] = STYLESHEETPATH; + } + + $themes[] = TEMPLATEPATH; + + /* + * Remove themes from the list of active themes when we're on an endpoint + * that should be protected against WSODs and the theme is paused. + */ + if ( wp_is_recovery_mode() ) { + $themes = wp_skip_paused_themes( $themes ); + + // If no active and valid themes exist, skip loading themes. + if ( empty( $themes ) ) { + add_filter( 'wp_using_themes', '__return_false' ); + } + } + + return $themes; +} + +/** + * Filters a given list of themes, removing any paused themes from it. + * + * @since 5.2.0 + * + * @param array $themes List of absolute theme directory paths. + * @return array Filtered value of $themes, without any paused themes. + */ +function wp_skip_paused_themes( array $themes ) { + $paused_themes = wp_paused_themes()->get_all(); + + if ( empty( $paused_themes ) ) { + return $themes; + } + + foreach ( $themes as $index => $theme ) { + $theme = basename( $theme ); + + if ( array_key_exists( $theme, $paused_themes ) ) { + unset( $themes[ $index ] ); + + // Store list of paused themes for displaying an admin notice. + $GLOBALS['_paused_themes'][ $theme ] = $paused_themes[ $theme ]; + } + } + + return $themes; +} + +/** + * Is WordPress in Recovery Mode. + * + * In this mode, plugins or themes that cause WSODs will be paused. + * + * @since 5.2.0 + * + * @return bool + */ +function wp_is_recovery_mode() { + return wp_recovery_mode()->is_active(); +} + +/** + * Determines whether we are currently on an endpoint that should be protected against WSODs. + * + * @since 5.2.0 + * + * @return bool True if the current endpoint should be protected. + */ +function is_protected_endpoint() { + // Protect login pages. + if ( isset( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] ) { + return true; + } + + // Protect the admin backend. + if ( is_admin() && ! wp_doing_ajax() ) { + return true; + } + + // Protect AJAX actions that could help resolve a fatal error should be available. + if ( is_protected_ajax_action() ) { + return true; + } + + /** + * Filters whether the current request is against a protected endpoint. + * + * This filter is only fired when an endpoint is requested which is not already protected by + * WordPress core. As such, it exclusively allows providing further protected endpoints in + * addition to the admin backend, login pages and protected AJAX actions. + * + * @since 5.2.0 + * + * @param bool $is_protected_endpoint Whether the currently requested endpoint is protected. Default false. + */ + return (bool) apply_filters( 'is_protected_endpoint', false ); +} + +/** + * Determines whether we are currently handling an AJAX action that should be protected against WSODs. + * + * @since 5.2.0 + * + * @return bool True if the current AJAX action should be protected. + */ +function is_protected_ajax_action() { + if ( ! wp_doing_ajax() ) { + return false; + } + + if ( ! isset( $_REQUEST['action'] ) ) { + return false; + } + + $actions_to_protect = array( + 'edit-theme-plugin-file', // Saving changes in the core code editor. + 'heartbeat', // Keep the heart beating. + 'install-plugin', // Installing a new plugin. + 'install-theme', // Installing a new theme. + 'search-plugins', // Searching in the list of plugins. + 'search-install-plugins', // Searching for a plugin in the plugin install screen. + 'update-plugin', // Update an existing plugin. + 'update-theme', // Update an existing theme. + ); + + /** + * Filters the array of protected AJAX actions. + * + * This filter is only fired when doing AJAX and the AJAX request has an 'action' property. + * + * @since 5.2.0 + * + * @param array $actions_to_protect Array of strings with AJAX actions to protect. + */ + $actions_to_protect = (array) apply_filters( 'wp_protected_ajax_actions', $actions_to_protect ); + + if ( ! in_array( $_REQUEST['action'], $actions_to_protect, true ) ) { + return false; + } + + return true; +} + +/** + * Set internal encoding. + * + * In most cases the default internal encoding is latin1, which is + * of no use, since we want to use the `mb_` functions for `utf-8` strings. + * + * @since 3.0.0 + * @access private + */ +function wp_set_internal_encoding() { + if ( function_exists( 'mb_internal_encoding' ) ) { + $charset = get_option( 'blog_charset' ); + // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged + if ( ! $charset || ! @mb_internal_encoding( $charset ) ) { + mb_internal_encoding( 'UTF-8' ); + } + } +} + +/** + * Add magic quotes to `$_GET`, `$_POST`, `$_COOKIE`, and `$_SERVER`. + * + * Also forces `$_REQUEST` to be `$_GET + $_POST`. If `$_SERVER`, + * `$_COOKIE`, or `$_ENV` are needed, use those superglobals directly. + * + * @since 3.0.0 + * @access private + */ +function wp_magic_quotes() { + // Escape with wpdb. + $_GET = add_magic_quotes( $_GET ); + $_POST = add_magic_quotes( $_POST ); + $_COOKIE = add_magic_quotes( $_COOKIE ); + $_SERVER = add_magic_quotes( $_SERVER ); + + // Force REQUEST to be GET + POST. + $_REQUEST = array_merge( $_GET, $_POST ); +} + +/** + * Runs just before PHP shuts down execution. + * + * @since 1.2.0 + * @access private + */ +function shutdown_action_hook() { + /** + * Fires just before PHP shuts down execution. + * + * @since 1.2.0 + */ + do_action( 'shutdown' ); + + wp_cache_close(); +} + +/** + * Copy an object. + * + * @since 2.7.0 + * @deprecated 3.2.0 + * + * @param object $object The object to clone. + * @return object The cloned object. + */ +function wp_clone( $object ) { + // Use parens for clone to accommodate PHP 4. See #17880 + return clone( $object ); +} + +/** + * Determines whether the current request is for an administrative interface page. + * + * Does not check if the user is an administrator; use current_user_can() + * for checking roles and capabilities. + * + * For more information on this and similar theme functions, check out + * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ + * Conditional Tags} article in the Theme Developer Handbook. + * + * @since 1.5.1 + * + * @global WP_Screen $current_screen WordPress current screen object. + * + * @return bool True if inside WordPress administration interface, false otherwise. + */ +function is_admin() { + if ( isset( $GLOBALS['current_screen'] ) ) { + return $GLOBALS['current_screen']->in_admin(); + } elseif ( defined( 'WP_ADMIN' ) ) { + return WP_ADMIN; + } + + return false; +} + +/** + * Whether the current request is for a site's admininstrative interface. + * + * e.g. `/wp-admin/` + * + * Does not check if the user is an administrator; use current_user_can() + * for checking roles and capabilities. + * + * @since 3.1.0 + * + * @global WP_Screen $current_screen WordPress current screen object. + * + * @return bool True if inside WordPress blog administration pages. + */ +function is_blog_admin() { + if ( isset( $GLOBALS['current_screen'] ) ) { + return $GLOBALS['current_screen']->in_admin( 'site' ); + } elseif ( defined( 'WP_BLOG_ADMIN' ) ) { + return WP_BLOG_ADMIN; + } + + return false; +} + +/** + * Whether the current request is for the network administrative interface. + * + * e.g. `/wp-admin/network/` + * + * Does not check if the user is an administrator; use current_user_can() + * for checking roles and capabilities. + * + * Does not check if the site is a Multisite network; use is_multisite() + * for checking if Multisite is enabled. + * + * @since 3.1.0 + * + * @global WP_Screen $current_screen WordPress current screen object. + * + * @return bool True if inside WordPress network administration pages. + */ +function is_network_admin() { + if ( isset( $GLOBALS['current_screen'] ) ) { + return $GLOBALS['current_screen']->in_admin( 'network' ); + } elseif ( defined( 'WP_NETWORK_ADMIN' ) ) { + return WP_NETWORK_ADMIN; + } + + return false; +} + +/** + * Whether the current request is for a user admin screen. + * + * e.g. `/wp-admin/user/` + * + * Does not check if the user is an administrator; use current_user_can() + * for checking roles and capabilities. + * + * @since 3.1.0 + * + * @global WP_Screen $current_screen WordPress current screen object. + * + * @return bool True if inside WordPress user administration pages. + */ +function is_user_admin() { + if ( isset( $GLOBALS['current_screen'] ) ) { + return $GLOBALS['current_screen']->in_admin( 'user' ); + } elseif ( defined( 'WP_USER_ADMIN' ) ) { + return WP_USER_ADMIN; + } + + return false; +} + +/** + * If Multisite is enabled. + * + * @since 3.0.0 + * + * @return bool True if Multisite is enabled, false otherwise. + */ +function is_multisite() { + if ( defined( 'MULTISITE' ) ) { + return MULTISITE; + } + + if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) ) { + return true; + } + + return false; +} + +/** + * Retrieve the current site ID. + * + * @since 3.1.0 + * + * @global int $blog_id + * + * @return int Site ID. + */ +function get_current_blog_id() { + global $blog_id; + return absint( $blog_id ); +} + +/** + * Retrieves the current network ID. + * + * @since 4.6.0 + * + * @return int The ID of the current network. + */ +function get_current_network_id() { + if ( ! is_multisite() ) { + return 1; + } + + $current_network = get_network(); + + if ( ! isset( $current_network->id ) ) { + return get_main_network_id(); + } + + return absint( $current_network->id ); +} + +/** + * Attempt an early load of translations. + * + * Used for errors encountered during the initial loading process, before + * the locale has been properly detected and loaded. + * + * Designed for unusual load sequences (like setup-config.php) or for when + * the script will then terminate with an error, otherwise there is a risk + * that a file can be double-included. + * + * @since 3.4.0 + * @access private + * + * @global WP_Locale $wp_locale WordPress date and time locale object. + * + * @staticvar bool $loaded + */ +function wp_load_translations_early() { + global $wp_locale; + + static $loaded = false; + if ( $loaded ) { + return; + } + $loaded = true; + + if ( function_exists( 'did_action' ) && did_action( 'init' ) ) { + return; + } + + // We need $wp_local_package + require ABSPATH . WPINC . '/version.php'; + + // Translation and localization + require_once ABSPATH . WPINC . '/pomo/mo.php'; + require_once ABSPATH . WPINC . '/l10n.php'; + require_once ABSPATH . WPINC . '/class-wp-locale.php'; + require_once ABSPATH . WPINC . '/class-wp-locale-switcher.php'; + + // General libraries + require_once ABSPATH . WPINC . '/plugin.php'; + + $locales = array(); + $locations = array(); + + while ( true ) { + if ( defined( 'WPLANG' ) ) { + if ( '' == WPLANG ) { + break; + } + $locales[] = WPLANG; + } + + if ( isset( $wp_local_package ) ) { + $locales[] = $wp_local_package; + } + + if ( ! $locales ) { + break; + } + + if ( defined( 'WP_LANG_DIR' ) && @is_dir( WP_LANG_DIR ) ) { + $locations[] = WP_LANG_DIR; + } + + if ( defined( 'WP_CONTENT_DIR' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) ) { + $locations[] = WP_CONTENT_DIR . '/languages'; + } + + if ( @is_dir( ABSPATH . 'wp-content/languages' ) ) { + $locations[] = ABSPATH . 'wp-content/languages'; + } + + if ( @is_dir( ABSPATH . WPINC . '/languages' ) ) { + $locations[] = ABSPATH . WPINC . '/languages'; + } + + if ( ! $locations ) { + break; + } + + $locations = array_unique( $locations ); + + foreach ( $locales as $locale ) { + foreach ( $locations as $location ) { + if ( file_exists( $location . '/' . $locale . '.mo' ) ) { + load_textdomain( 'default', $location . '/' . $locale . '.mo' ); + if ( defined( 'WP_SETUP_CONFIG' ) && file_exists( $location . '/admin-' . $locale . '.mo' ) ) { + load_textdomain( 'default', $location . '/admin-' . $locale . '.mo' ); + } + break 2; + } + } + } + + break; + } + + $wp_locale = new WP_Locale(); +} + +/** + * Check or set whether WordPress is in "installation" mode. + * + * If the `WP_INSTALLING` constant is defined during the bootstrap, `wp_installing()` will default to `true`. + * + * @since 4.4.0 + * + * @staticvar bool $installing + * + * @param bool $is_installing Optional. True to set WP into Installing mode, false to turn Installing mode off. + * Omit this parameter if you only want to fetch the current status. + * @return bool True if WP is installing, otherwise false. When a `$is_installing` is passed, the function will + * report whether WP was in installing mode prior to the change to `$is_installing`. + */ +function wp_installing( $is_installing = null ) { + static $installing = null; + + // Support for the `WP_INSTALLING` constant, defined before WP is loaded. + if ( is_null( $installing ) ) { + $installing = defined( 'WP_INSTALLING' ) && WP_INSTALLING; + } + + if ( ! is_null( $is_installing ) ) { + $old_installing = $installing; + $installing = $is_installing; + return (bool) $old_installing; + } + + return (bool) $installing; +} + +/** + * Determines if SSL is used. + * + * @since 2.6.0 + * @since 4.6.0 Moved from functions.php to load.php. + * + * @return bool True if SSL, otherwise false. + */ +function is_ssl() { + if ( isset( $_SERVER['HTTPS'] ) ) { + if ( 'on' == strtolower( $_SERVER['HTTPS'] ) ) { + return true; + } + + if ( '1' == $_SERVER['HTTPS'] ) { + return true; + } + } elseif ( isset( $_SERVER['SERVER_PORT'] ) && ( '443' == $_SERVER['SERVER_PORT'] ) ) { + return true; + } + return false; +} + +/** + * Converts a shorthand byte value to an integer byte value. + * + * @since 2.3.0 + * @since 4.6.0 Moved from media.php to load.php. + * + * @link https://secure.php.net/manual/en/function.ini-get.php + * @link https://secure.php.net/manual/en/faq.using.php#faq.using.shorthandbytes + * + * @param string $value A (PHP ini) byte value, either shorthand or ordinary. + * @return int An integer byte value. + */ +function wp_convert_hr_to_bytes( $value ) { + $value = strtolower( trim( $value ) ); + $bytes = (int) $value; + + if ( false !== strpos( $value, 'g' ) ) { + $bytes *= GB_IN_BYTES; + } elseif ( false !== strpos( $value, 'm' ) ) { + $bytes *= MB_IN_BYTES; + } elseif ( false !== strpos( $value, 'k' ) ) { + $bytes *= KB_IN_BYTES; + } + + // Deal with large (float) values which run into the maximum integer size. + return min( $bytes, PHP_INT_MAX ); +} + +/** + * Determines whether a PHP ini value is changeable at runtime. + * + * @since 4.6.0 + * + * @staticvar array $ini_all + * + * @link https://secure.php.net/manual/en/function.ini-get-all.php + * + * @param string $setting The name of the ini setting to check. + * @return bool True if the value is changeable at runtime. False otherwise. + */ +function wp_is_ini_value_changeable( $setting ) { + static $ini_all; + + if ( ! isset( $ini_all ) ) { + $ini_all = false; + // Sometimes `ini_get_all()` is disabled via the `disable_functions` option for "security purposes". + if ( function_exists( 'ini_get_all' ) ) { + $ini_all = ini_get_all(); + } + } + + // Bit operator to workaround https://bugs.php.net/bug.php?id=44936 which changes access level to 63 in PHP 5.2.6 - 5.2.17. + if ( isset( $ini_all[ $setting ]['access'] ) && ( INI_ALL === ( $ini_all[ $setting ]['access'] & 7 ) || INI_USER === ( $ini_all[ $setting ]['access'] & 7 ) ) ) { + return true; + } + + // If we were unable to retrieve the details, fail gracefully to assume it's changeable. + if ( ! is_array( $ini_all ) ) { + return true; + } + + return false; +} + +/** + * Determines whether the current request is a WordPress Ajax request. + * + * @since 4.7.0 + * + * @return bool True if it's a WordPress Ajax request, false otherwise. + */ +function wp_doing_ajax() { + /** + * Filters whether the current request is a WordPress Ajax request. + * + * @since 4.7.0 + * + * @param bool $wp_doing_ajax Whether the current request is a WordPress Ajax request. + */ + return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX ); +} + +/** + * Determines whether the current request should use themes. + * + * @since 5.1.0 + * + * @return bool True if themes should be used, false otherwise. + */ +function wp_using_themes() { + /** + * Filters whether the current request should use themes. + * + * @since 5.1.0 + * + * @param bool $wp_using_themes Whether the current request should use themes. + */ + return apply_filters( 'wp_using_themes', defined( 'WP_USE_THEMES' ) && WP_USE_THEMES ); +} + +/** + * Determines whether the current request is a WordPress cron request. + * + * @since 4.8.0 + * + * @return bool True if it's a WordPress cron request, false otherwise. + */ +function wp_doing_cron() { + /** + * Filters whether the current request is a WordPress cron request. + * + * @since 4.8.0 + * + * @param bool $wp_doing_cron Whether the current request is a WordPress cron request. + */ + return apply_filters( 'wp_doing_cron', defined( 'DOING_CRON' ) && DOING_CRON ); +} + +/** + * Check whether variable is a WordPress Error. + * + * Returns true if $thing is an object of the WP_Error class. + * + * @since 2.1.0 + * + * @param mixed $thing Check if unknown variable is a WP_Error object. + * @return bool True, if WP_Error. False, if not WP_Error. + */ +function is_wp_error( $thing ) { + return ( $thing instanceof WP_Error ); +} + +/** + * Determines whether file modifications are allowed. + * + * @since 4.8.0 + * + * @param string $context The usage context. + * @return bool True if file modification is allowed, false otherwise. + */ +function wp_is_file_mod_allowed( $context ) { + /** + * Filters whether file modifications are allowed. + * + * @since 4.8.0 + * + * @param bool $file_mod_allowed Whether file modifications are allowed. + * @param string $context The usage context. + */ + return apply_filters( 'file_mod_allowed', ! defined( 'DISALLOW_FILE_MODS' ) || ! DISALLOW_FILE_MODS, $context ); +} + +/** + * Start scraping edited file errors. + * + * @since 4.9.0 + */ +function wp_start_scraping_edited_file_errors() { + if ( ! isset( $_REQUEST['wp_scrape_key'] ) || ! isset( $_REQUEST['wp_scrape_nonce'] ) ) { + return; + } + $key = substr( sanitize_key( wp_unslash( $_REQUEST['wp_scrape_key'] ) ), 0, 32 ); + $nonce = wp_unslash( $_REQUEST['wp_scrape_nonce'] ); + + if ( get_transient( 'scrape_key_' . $key ) !== $nonce ) { + echo "###### wp_scraping_result_start:$key ######"; + echo wp_json_encode( + array( + 'code' => 'scrape_nonce_failure', + 'message' => __( 'Scrape nonce check failed. Please try again.' ), + ) + ); + echo "###### wp_scraping_result_end:$key ######"; + die(); + } + if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) { + define( 'WP_SANDBOX_SCRAPING', true ); + } + register_shutdown_function( 'wp_finalize_scraping_edited_file_errors', $key ); +} + +/** + * Finalize scraping for edited file errors. + * + * @since 4.9.0 + * + * @param string $scrape_key Scrape key. + */ +function wp_finalize_scraping_edited_file_errors( $scrape_key ) { + $error = error_get_last(); + echo "\n###### wp_scraping_result_start:$scrape_key ######\n"; + if ( ! empty( $error ) && in_array( $error['type'], array( E_CORE_ERROR, E_COMPILE_ERROR, E_ERROR, E_PARSE, E_USER_ERROR, E_RECOVERABLE_ERROR ), true ) ) { + $error = str_replace( ABSPATH, '', $error ); + echo wp_json_encode( $error ); + } else { + echo wp_json_encode( true ); + } + echo "\n###### wp_scraping_result_end:$scrape_key ######\n"; +} + +/** + * Checks whether current request is a JSON request, or is expecting a JSON response. + * + * @since 5.0.0 + * + * @return bool True if Accepts or Content-Type headers contain application/json, false otherwise. + */ +function wp_is_json_request() { + + if ( isset( $_SERVER['HTTP_ACCEPT'] ) && false !== strpos( $_SERVER['HTTP_ACCEPT'], 'application/json' ) ) { + return true; + } + + if ( isset( $_SERVER['CONTENT_TYPE'] ) && 'application/json' === $_SERVER['CONTENT_TYPE'] ) { + return true; + } + + return false; + +} + +/** + * Checks whether current request is a JSONP request, or is expecting a JSONP response. + * + * @since 5.2.0 + * + * @return bool True if JSONP request, false otherwise. + */ +function wp_is_jsonp_request() { + if ( ! isset( $_GET['_jsonp'] ) ) { + return false; + } + + if ( ! function_exists( 'wp_check_jsonp_callback' ) ) { + require_once ABSPATH . WPINC . '/functions.php'; + } + + $jsonp_callback = $_GET['_jsonp']; + if ( ! wp_check_jsonp_callback( $jsonp_callback ) ) { + return false; + } + + /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ + $jsonp_enabled = apply_filters( 'rest_jsonp_enabled', true ); + + return $jsonp_enabled; + +} + +/** + * Checks whether current request is an XML request, or is expecting an XML response. + * + * @since 5.2.0 + * + * @return bool True if Accepts or Content-Type headers contain xml, false otherwise. + */ +function wp_is_xml_request() { + $accepted = array( + 'text/xml', + 'application/rss+xml', + 'application/atom+xml', + 'application/rdf+xml', + 'text/xml+oembed', + 'application/xml+oembed', + ); + + if ( isset( $_SERVER['HTTP_ACCEPT'] ) ) { + foreach ( $accepted as $type ) { + if ( false !== strpos( $_SERVER['HTTP_ACCEPT'], $type ) ) { + return true; + } + } + } + + if ( isset( $_SERVER['CONTENT_TYPE'] ) && in_array( $_SERVER['CONTENT_TYPE'], $accepted, true ) ) { + return true; + } + + return false; +} |