Added wordpress

1 files changed, 1445 insertions, 0 deletions

diff --git a/srcs/wordpress/wp-admin/includes/misc.php b/srcs/wordpress/wp-admin/includes/misc.php
new file mode 100644
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--- /dev/null
+++ b/srcs/wordpress/wp-admin/includes/misc.php
@@ -0,0 +1,1445 @@
+<?php
+/**
+ * Misc WordPress Administration API.
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
+
+/**
+ * Returns whether the server is running Apache with the mod_rewrite module loaded.
+ *
+ * @since 2.0.0
+ *
+ * @return bool Whether the server is running Apache with the mod_rewrite module loaded.
+ */
+function got_mod_rewrite() {
+	$got_rewrite = apache_mod_loaded( 'mod_rewrite', true );
+
+	/**
+	 * Filters whether Apache and mod_rewrite are present.
+	 *
+	 * This filter was previously used to force URL rewriting for other servers,
+	 * like nginx. Use the {@see 'got_url_rewrite'} filter in got_url_rewrite() instead.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @see got_url_rewrite()
+	 *
+	 * @param bool $got_rewrite Whether Apache and mod_rewrite are present.
+	 */
+	return apply_filters( 'got_rewrite', $got_rewrite );
+}
+
+/**
+ * Returns whether the server supports URL rewriting.
+ *
+ * Detects Apache's mod_rewrite, IIS 7.0+ permalink support, and nginx.
+ *
+ * @since 3.7.0
+ *
+ * @global bool $is_nginx
+ *
+ * @return bool Whether the server supports URL rewriting.
+ */
+function got_url_rewrite() {
+	$got_url_rewrite = ( got_mod_rewrite() || $GLOBALS['is_nginx'] || iis7_supports_permalinks() );
+
+	/**
+	 * Filters whether URL rewriting is available.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @param bool $got_url_rewrite Whether URL rewriting is available.
+	 */
+	return apply_filters( 'got_url_rewrite', $got_url_rewrite );
+}
+
+/**
+ * Extracts strings from between the BEGIN and END markers in the .htaccess file.
+ *
+ * @since 1.5.0
+ *
+ * @param string $filename Filename to extract the strings from.
+ * @param string $marker   The marker to extract the strings from.
+ * @return array An array of strings from a file (.htaccess) from between BEGIN and END markers.
+ */
+function extract_from_markers( $filename, $marker ) {
+	$result = array();
+
+	if ( ! file_exists( $filename ) ) {
+		return $result;
+	}
+
+	$markerdata = explode( "\n", implode( '', file( $filename ) ) );
+
+	$state = false;
+	foreach ( $markerdata as $markerline ) {
+		if ( false !== strpos( $markerline, '# END ' . $marker ) ) {
+			$state = false;
+		}
+		if ( $state ) {
+			if ( '#' === substr( $markerline, 0, 1 ) ) {
+				continue;
+			}
+			$result[] = $markerline;
+		}
+		if ( false !== strpos( $markerline, '# BEGIN ' . $marker ) ) {
+			$state = true;
+		}
+	}
+
+	return $result;
+}
+
+/**
+ * Inserts an array of strings into a file (.htaccess), placing it between
+ * BEGIN and END markers.
+ *
+ * Replaces existing marked info. Retains surrounding
+ * data. Creates file if none exists.
+ *
+ * @since 1.5.0
+ *
+ * @param string       $filename  Filename to alter.
+ * @param string       $marker    The marker to alter.
+ * @param array|string $insertion The new content to insert.
+ * @return bool True on write success, false on failure.
+ */
+function insert_with_markers( $filename, $marker, $insertion ) {
+	if ( ! file_exists( $filename ) ) {
+		if ( ! is_writable( dirname( $filename ) ) ) {
+			return false;
+		}
+		if ( ! touch( $filename ) ) {
+			return false;
+		}
+	} elseif ( ! is_writeable( $filename ) ) {
+		return false;
+	}
+
+	if ( ! is_array( $insertion ) ) {
+		$insertion = explode( "\n", $insertion );
+	}
+
+	$switched_locale = switch_to_locale( get_locale() );
+
+	$instructions = sprintf(
+		/* translators: 1: Marker. */
+		__(
+			'The directives (lines) between `BEGIN %1$s` and `END %1$s` are
+dynamically generated, and should only be modified via WordPress filters.
+Any changes to the directives between these markers will be overwritten.'
+		),
+		$marker
+	);
+
+	$instructions = explode( "\n", $instructions );
+	foreach ( $instructions as $line => $text ) {
+		$instructions[ $line ] = '# ' . $text;
+	}
+
+	/**
+	 * Filters the inline instructions inserted before the dynamically generated content.
+	 *
+	 * @since 5.3.0
+	 *
+	 * @param string[] $instructions Array of lines with inline instructions.
+	 * @param string   $marker       The marker being inserted.
+	 */
+	$instructions = apply_filters( 'insert_with_markers_inline_instructions', $instructions, $marker );
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+
+	$insertion = array_merge( $instructions, $insertion );
+
+	$start_marker = "# BEGIN {$marker}";
+	$end_marker   = "# END {$marker}";
+
+	$fp = fopen( $filename, 'r+' );
+	if ( ! $fp ) {
+		return false;
+	}
+
+	// Attempt to get a lock. If the filesystem supports locking, this will block until the lock is acquired.
+	flock( $fp, LOCK_EX );
+
+	$lines = array();
+	while ( ! feof( $fp ) ) {
+		$lines[] = rtrim( fgets( $fp ), "\r\n" );
+	}
+
+	// Split out the existing file into the preceding lines, and those that appear after the marker
+	$pre_lines        = array();
+	$post_lines       = array();
+	$existing_lines   = array();
+	$found_marker     = false;
+	$found_end_marker = false;
+	foreach ( $lines as $line ) {
+		if ( ! $found_marker && false !== strpos( $line, $start_marker ) ) {
+			$found_marker = true;
+			continue;
+		} elseif ( ! $found_end_marker && false !== strpos( $line, $end_marker ) ) {
+			$found_end_marker = true;
+			continue;
+		}
+		if ( ! $found_marker ) {
+			$pre_lines[] = $line;
+		} elseif ( $found_marker && $found_end_marker ) {
+			$post_lines[] = $line;
+		} else {
+			$existing_lines[] = $line;
+		}
+	}
+
+	// Check to see if there was a change
+	if ( $existing_lines === $insertion ) {
+		flock( $fp, LOCK_UN );
+		fclose( $fp );
+
+		return true;
+	}
+
+	// Generate the new file data
+	$new_file_data = implode(
+		"\n",
+		array_merge(
+			$pre_lines,
+			array( $start_marker ),
+			$insertion,
+			array( $end_marker ),
+			$post_lines
+		)
+	);
+
+	// Write to the start of the file, and truncate it to that length
+	fseek( $fp, 0 );
+	$bytes = fwrite( $fp, $new_file_data );
+	if ( $bytes ) {
+		ftruncate( $fp, ftell( $fp ) );
+	}
+	fflush( $fp );
+	flock( $fp, LOCK_UN );
+	fclose( $fp );
+
+	return (bool) $bytes;
+}
+
+/**
+ * Updates the htaccess file with the current rules if it is writable.
+ *
+ * Always writes to the file if it exists and is writable to ensure that we
+ * blank out old rules.
+ *
+ * @since 1.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @return bool|null True on write success, false on failure. Null in multisite.
+ */
+function save_mod_rewrite_rules() {
+	if ( is_multisite() ) {
+		return;
+	}
+
+	global $wp_rewrite;
+
+	// Ensure get_home_path() is declared.
+	require_once( ABSPATH . 'wp-admin/includes/file.php' );
+
+	$home_path     = get_home_path();
+	$htaccess_file = $home_path . '.htaccess';
+
+	/*
+	 * If the file doesn't already exist check for write access to the directory
+	 * and whether we have some rules. Else check for write access to the file.
+	 */
+	if ( ( ! file_exists( $htaccess_file ) && is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || is_writable( $htaccess_file ) ) {
+		if ( got_mod_rewrite() ) {
+			$rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
+			return insert_with_markers( $htaccess_file, 'WordPress', $rules );
+		}
+	}
+
+	return false;
+}
+
+/**
+ * Updates the IIS web.config file with the current rules if it is writable.
+ * If the permalinks do not require rewrite rules then the rules are deleted from the web.config file.
+ *
+ * @since 2.8.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @return bool|null True on write success, false on failure. Null in multisite.
+ */
+function iis7_save_url_rewrite_rules() {
+	if ( is_multisite() ) {
+		return;
+	}
+
+	global $wp_rewrite;
+
+	// Ensure get_home_path() is declared.
+	require_once( ABSPATH . 'wp-admin/includes/file.php' );
+
+	$home_path       = get_home_path();
+	$web_config_file = $home_path . 'web.config';
+
+	// Using win_is_writable() instead of is_writable() because of a bug in Windows PHP
+	if ( iis7_supports_permalinks() && ( ( ! file_exists( $web_config_file ) && win_is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || win_is_writable( $web_config_file ) ) ) {
+		$rule = $wp_rewrite->iis7_url_rewrite_rules( false );
+		if ( ! empty( $rule ) ) {
+			return iis7_add_rewrite_rule( $web_config_file, $rule );
+		} else {
+			return iis7_delete_rewrite_rule( $web_config_file );
+		}
+	}
+	return false;
+}
+
+/**
+ * Update the "recently-edited" file for the plugin or theme editor.
+ *
+ * @since 1.5.0
+ *
+ * @param string $file
+ */
+function update_recently_edited( $file ) {
+	$oldfiles = (array) get_option( 'recently_edited' );
+	if ( $oldfiles ) {
+		$oldfiles   = array_reverse( $oldfiles );
+		$oldfiles[] = $file;
+		$oldfiles   = array_reverse( $oldfiles );
+		$oldfiles   = array_unique( $oldfiles );
+		if ( 5 < count( $oldfiles ) ) {
+			array_pop( $oldfiles );
+		}
+	} else {
+		$oldfiles[] = $file;
+	}
+	update_option( 'recently_edited', $oldfiles );
+}
+
+/**
+ * Makes a tree structure for the theme editor's file list.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @param array $allowed_files List of theme file paths.
+ * @return array Tree structure for listing theme files.
+ */
+function wp_make_theme_file_tree( $allowed_files ) {
+	$tree_list = array();
+	foreach ( $allowed_files as $file_name => $absolute_filename ) {
+		$list     = explode( '/', $file_name );
+		$last_dir = &$tree_list;
+		foreach ( $list as $dir ) {
+			$last_dir =& $last_dir[ $dir ];
+		}
+		$last_dir = $file_name;
+	}
+	return $tree_list;
+}
+
+/**
+ * Outputs the formatted file list for the theme editor.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @global string $relative_file Name of the file being edited relative to the
+ *                               theme directory.
+ * @global string $stylesheet    The stylesheet name of the theme being edited.
+ *
+ * @param array|string $tree  List of file/folder paths, or filename.
+ * @param int          $level The aria-level for the current iteration.
+ * @param int          $size  The aria-setsize for the current iteration.
+ * @param int          $index The aria-posinset for the current iteration.
+ */
+function wp_print_theme_file_tree( $tree, $level = 2, $size = 1, $index = 1 ) {
+	global $relative_file, $stylesheet;
+
+	if ( is_array( $tree ) ) {
+		$index = 0;
+		$size  = count( $tree );
+		foreach ( $tree as $label => $theme_file ) :
+			$index++;
+			if ( ! is_array( $theme_file ) ) {
+				wp_print_theme_file_tree( $theme_file, $level, $index, $size );
+				continue;
+			}
+			?>
+			<li role="treeitem" aria-expanded="true" tabindex="-1"
+				aria-level="<?php echo esc_attr( $level ); ?>"
+				aria-setsize="<?php echo esc_attr( $size ); ?>"
+				aria-posinset="<?php echo esc_attr( $index ); ?>">
+				<span class="folder-label"><?php echo esc_html( $label ); ?> <span class="screen-reader-text"><?php _e( 'folder' ); ?></span><span aria-hidden="true" class="icon"></span></span>
+				<ul role="group" class="tree-folder"><?php wp_print_theme_file_tree( $theme_file, $level + 1, $index, $size ); ?></ul>
+			</li>
+			<?php
+		endforeach;
+	} else {
+		$filename = $tree;
+		$url      = add_query_arg(
+			array(
+				'file'  => rawurlencode( $tree ),
+				'theme' => rawurlencode( $stylesheet ),
+			),
+			self_admin_url( 'theme-editor.php' )
+		);
+		?>
+		<li role="none" class="<?php echo esc_attr( $relative_file === $filename ? 'current-file' : '' ); ?>">
+			<a role="treeitem" tabindex="<?php echo esc_attr( $relative_file === $filename ? '0' : '-1' ); ?>"
+				href="<?php echo esc_url( $url ); ?>"
+				aria-level="<?php echo esc_attr( $level ); ?>"
+				aria-setsize="<?php echo esc_attr( $size ); ?>"
+				aria-posinset="<?php echo esc_attr( $index ); ?>">
+				<?php
+				$file_description = esc_html( get_file_description( $filename ) );
+				if ( $file_description !== $filename && wp_basename( $filename ) !== $file_description ) {
+					$file_description .= '<br /><span class="nonessential">(' . esc_html( $filename ) . ')</span>';
+				}
+
+				if ( $relative_file === $filename ) {
+					echo '<span class="notice notice-info">' . $file_description . '</span>';
+				} else {
+					echo $file_description;
+				}
+				?>
+			</a>
+		</li>
+		<?php
+	}
+}
+
+/**
+ * Makes a tree structure for the plugin editor's file list.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @param array $plugin_editable_files List of plugin file paths.
+ * @return array Tree structure for listing plugin files.
+ */
+function wp_make_plugin_file_tree( $plugin_editable_files ) {
+	$tree_list = array();
+	foreach ( $plugin_editable_files as $plugin_file ) {
+		$list     = explode( '/', preg_replace( '#^.+?/#', '', $plugin_file ) );
+		$last_dir = &$tree_list;
+		foreach ( $list as $dir ) {
+			$last_dir =& $last_dir[ $dir ];
+		}
+		$last_dir = $plugin_file;
+	}
+	return $tree_list;
+}
+
+/**
+ * Outputs the formatted file list for the plugin editor.
+ *
+ * @since 4.9.0
+ * @access private
+ *
+ * @param array|string $tree  List of file/folder paths, or filename.
+ * @param string       $label Name of file or folder to print.
+ * @param int          $level The aria-level for the current iteration.
+ * @param int          $size  The aria-setsize for the current iteration.
+ * @param int          $index The aria-posinset for the current iteration.
+ */
+function wp_print_plugin_file_tree( $tree, $label = '', $level = 2, $size = 1, $index = 1 ) {
+	global $file, $plugin;
+	if ( is_array( $tree ) ) {
+		$index = 0;
+		$size  = count( $tree );
+		foreach ( $tree as $label => $plugin_file ) :
+			$index++;
+			if ( ! is_array( $plugin_file ) ) {
+				wp_print_plugin_file_tree( $plugin_file, $label, $level, $index, $size );
+				continue;
+			}
+			?>
+			<li role="treeitem" aria-expanded="true" tabindex="-1"
+				aria-level="<?php echo esc_attr( $level ); ?>"
+				aria-setsize="<?php echo esc_attr( $size ); ?>"
+				aria-posinset="<?php echo esc_attr( $index ); ?>">
+				<span class="folder-label"><?php echo esc_html( $label ); ?> <span class="screen-reader-text"><?php _e( 'folder' ); ?></span><span aria-hidden="true" class="icon"></span></span>
+				<ul role="group" class="tree-folder"><?php wp_print_plugin_file_tree( $plugin_file, '', $level + 1, $index, $size ); ?></ul>
+			</li>
+			<?php
+		endforeach;
+	} else {
+		$url = add_query_arg(
+			array(
+				'file'   => rawurlencode( $tree ),
+				'plugin' => rawurlencode( $plugin ),
+			),
+			self_admin_url( 'plugin-editor.php' )
+		);
+		?>
+		<li role="none" class="<?php echo esc_attr( $file === $tree ? 'current-file' : '' ); ?>">
+			<a role="treeitem" tabindex="<?php echo esc_attr( $file === $tree ? '0' : '-1' ); ?>"
+				href="<?php echo esc_url( $url ); ?>"
+				aria-level="<?php echo esc_attr( $level ); ?>"
+				aria-setsize="<?php echo esc_attr( $size ); ?>"
+				aria-posinset="<?php echo esc_attr( $index ); ?>">
+				<?php
+				if ( $file === $tree ) {
+					echo '<span class="notice notice-info">' . esc_html( $label ) . '</span>';
+				} else {
+					echo esc_html( $label );
+				}
+				?>
+			</a>
+		</li>
+		<?php
+	}
+}
+
+/**
+ * Flushes rewrite rules if siteurl, home or page_on_front changed.
+ *
+ * @since 2.1.0
+ *
+ * @param string $old_value
+ * @param string $value
+ */
+function update_home_siteurl( $old_value, $value ) {
+	if ( wp_installing() ) {
+		return;
+	}
+
+	if ( is_multisite() && ms_is_switched() ) {
+		delete_option( 'rewrite_rules' );
+	} else {
+		flush_rewrite_rules();
+	}
+}
+
+
+/**
+ * Resets global variables based on $_GET and $_POST
+ *
+ * This function resets global variables based on the names passed
+ * in the $vars array to the value of $_POST[$var] or $_GET[$var] or ''
+ * if neither is defined.
+ *
+ * @since 2.0.0
+ *
+ * @param array $vars An array of globals to reset.
+ */
+function wp_reset_vars( $vars ) {
+	foreach ( $vars as $var ) {
+		if ( empty( $_POST[ $var ] ) ) {
+			if ( empty( $_GET[ $var ] ) ) {
+				$GLOBALS[ $var ] = '';
+			} else {
+				$GLOBALS[ $var ] = $_GET[ $var ];
+			}
+		} else {
+			$GLOBALS[ $var ] = $_POST[ $var ];
+		}
+	}
+}
+
+/**
+ * Displays the given administration message.
+ *
+ * @since 2.1.0
+ *
+ * @param string|WP_Error $message
+ */
+function show_message( $message ) {
+	if ( is_wp_error( $message ) ) {
+		if ( $message->get_error_data() && is_string( $message->get_error_data() ) ) {
+			$message = $message->get_error_message() . ': ' . $message->get_error_data();
+		} else {
+			$message = $message->get_error_message();
+		}
+	}
+	echo "<p>$message</p>\n";
+	wp_ob_end_flush_all();
+	flush();
+}
+
+/**
+ * @since 2.8.0
+ *
+ * @param string $content
+ * @return array
+ */
+function wp_doc_link_parse( $content ) {
+	if ( ! is_string( $content ) || empty( $content ) ) {
+		return array();
+	}
+
+	if ( ! function_exists( 'token_get_all' ) ) {
+		return array();
+	}
+
+	$tokens           = token_get_all( $content );
+	$count            = count( $tokens );
+	$functions        = array();
+	$ignore_functions = array();
+	for ( $t = 0; $t < $count - 2; $t++ ) {
+		if ( ! is_array( $tokens[ $t ] ) ) {
+			continue;
+		}
+
+		if ( T_STRING == $tokens[ $t ][0] && ( '(' == $tokens[ $t + 1 ] || '(' == $tokens[ $t + 2 ] ) ) {
+			// If it's a function or class defined locally, there's not going to be any docs available
+			if ( ( isset( $tokens[ $t - 2 ][1] ) && in_array( $tokens[ $t - 2 ][1], array( 'function', 'class' ) ) ) || ( isset( $tokens[ $t - 2 ][0] ) && T_OBJECT_OPERATOR == $tokens[ $t - 1 ][0] ) ) {
+				$ignore_functions[] = $tokens[ $t ][1];
+			}
+			// Add this to our stack of unique references
+			$functions[] = $tokens[ $t ][1];
+		}
+	}
+
+	$functions = array_unique( $functions );
+	sort( $functions );
+
+	/**
+	 * Filters the list of functions and classes to be ignored from the documentation lookup.
+	 *
+	 * @since 2.8.0
+	 *
+	 * @param string[] $ignore_functions Array of names of functions and classes to be ignored.
+	 */
+	$ignore_functions = apply_filters( 'documentation_ignore_functions', $ignore_functions );
+
+	$ignore_functions = array_unique( $ignore_functions );
+
+	$out = array();
+	foreach ( $functions as $function ) {
+		if ( in_array( $function, $ignore_functions ) ) {
+			continue;
+		}
+		$out[] = $function;
+	}
+
+	return $out;
+}
+
+/**
+ * Saves option for number of rows when listing posts, pages, comments, etc.
+ *
+ * @since 2.8.0
+ */
+function set_screen_options() {
+
+	if ( isset( $_POST['wp_screen_options'] ) && is_array( $_POST['wp_screen_options'] ) ) {
+		check_admin_referer( 'screen-options-nonce', 'screenoptionnonce' );
+
+		$user = wp_get_current_user();
+		if ( ! $user ) {
+			return;
+		}
+		$option = $_POST['wp_screen_options']['option'];
+		$value  = $_POST['wp_screen_options']['value'];
+
+		if ( $option != sanitize_key( $option ) ) {
+			return;
+		}
+
+		$map_option = $option;
+		$type       = str_replace( 'edit_', '', $map_option );
+		$type       = str_replace( '_per_page', '', $type );
+		if ( in_array( $type, get_taxonomies() ) ) {
+			$map_option = 'edit_tags_per_page';
+		} elseif ( in_array( $type, get_post_types() ) ) {
+			$map_option = 'edit_per_page';
+		} else {
+			$option = str_replace( '-', '_', $option );
+		}
+
+		switch ( $map_option ) {
+			case 'edit_per_page':
+			case 'users_per_page':
+			case 'edit_comments_per_page':
+			case 'upload_per_page':
+			case 'edit_tags_per_page':
+			case 'plugins_per_page':
+			case 'export_personal_data_requests_per_page':
+			case 'remove_personal_data_requests_per_page':
+				// Network admin
+			case 'sites_network_per_page':
+			case 'users_network_per_page':
+			case 'site_users_network_per_page':
+			case 'plugins_network_per_page':
+			case 'themes_network_per_page':
+			case 'site_themes_network_per_page':
+				$value = (int) $value;
+				if ( $value < 1 || $value > 999 ) {
+					return;
+				}
+				break;
+			default:
+				/**
+				 * Filters a screen option value before it is set.
+				 *
+				 * The filter can also be used to modify non-standard [items]_per_page
+				 * settings. See the parent function for a full list of standard options.
+				 *
+				 * Returning false to the filter will skip saving the current option.
+				 *
+				 * @since 2.8.0
+				 *
+				 * @see set_screen_options()
+				 *
+				 * @param bool     $keep   Whether to save or skip saving the screen option value. Default false.
+				 * @param string   $option The option name.
+				 * @param int      $value  The number of rows to use.
+				 */
+				$value = apply_filters( 'set-screen-option', false, $option, $value );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
+
+				if ( false === $value ) {
+					return;
+				}
+				break;
+		}
+
+		update_user_meta( $user->ID, $option, $value );
+
+		$url = remove_query_arg( array( 'pagenum', 'apage', 'paged' ), wp_get_referer() );
+		if ( isset( $_POST['mode'] ) ) {
+			$url = add_query_arg( array( 'mode' => $_POST['mode'] ), $url );
+		}
+
+		wp_safe_redirect( $url );
+		exit;
+	}
+}
+
+/**
+ * Check if rewrite rule for WordPress already exists in the IIS 7+ configuration file
+ *
+ * @since 2.8.0
+ *
+ * @return bool
+ * @param string $filename The file path to the configuration file
+ */
+function iis7_rewrite_rule_exists( $filename ) {
+	if ( ! file_exists( $filename ) ) {
+		return false;
+	}
+	if ( ! class_exists( 'DOMDocument', false ) ) {
+		return false;
+	}
+
+	$doc = new DOMDocument();
+	if ( $doc->load( $filename ) === false ) {
+		return false;
+	}
+	$xpath = new DOMXPath( $doc );
+	$rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' );
+	if ( $rules->length == 0 ) {
+		return false;
+	} else {
+		return true;
+	}
+}
+
+/**
+ * Delete WordPress rewrite rule from web.config file if it exists there
+ *
+ * @since 2.8.0
+ *
+ * @param string $filename Name of the configuration file
+ * @return bool
+ */
+function iis7_delete_rewrite_rule( $filename ) {
+	// If configuration file does not exist then rules also do not exist so there is nothing to delete
+	if ( ! file_exists( $filename ) ) {
+		return true;
+	}
+
+	if ( ! class_exists( 'DOMDocument', false ) ) {
+		return false;
+	}
+
+	$doc                     = new DOMDocument();
+	$doc->preserveWhiteSpace = false;
+
+	if ( $doc->load( $filename ) === false ) {
+		return false;
+	}
+	$xpath = new DOMXPath( $doc );
+	$rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' );
+	if ( $rules->length > 0 ) {
+		$child  = $rules->item( 0 );
+		$parent = $child->parentNode;
+		$parent->removeChild( $child );
+		$doc->formatOutput = true;
+		saveDomDocument( $doc, $filename );
+	}
+	return true;
+}
+
+/**
+ * Add WordPress rewrite rule to the IIS 7+ configuration file.
+ *
+ * @since 2.8.0
+ *
+ * @param string $filename The file path to the configuration file
+ * @param string $rewrite_rule The XML fragment with URL Rewrite rule
+ * @return bool
+ */
+function iis7_add_rewrite_rule( $filename, $rewrite_rule ) {
+	if ( ! class_exists( 'DOMDocument', false ) ) {
+		return false;
+	}
+
+	// If configuration file does not exist then we create one.
+	if ( ! file_exists( $filename ) ) {
+		$fp = fopen( $filename, 'w' );
+		fwrite( $fp, '<configuration/>' );
+		fclose( $fp );
+	}
+
+	$doc                     = new DOMDocument();
+	$doc->preserveWhiteSpace = false;
+
+	if ( $doc->load( $filename ) === false ) {
+		return false;
+	}
+
+	$xpath = new DOMXPath( $doc );
+
+	// First check if the rule already exists as in that case there is no need to re-add it
+	$wordpress_rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' );
+	if ( $wordpress_rules->length > 0 ) {
+		return true;
+	}
+
+	// Check the XPath to the rewrite rule and create XML nodes if they do not exist
+	$xmlnodes = $xpath->query( '/configuration/system.webServer/rewrite/rules' );
+	if ( $xmlnodes->length > 0 ) {
+		$rules_node = $xmlnodes->item( 0 );
+	} else {
+		$rules_node = $doc->createElement( 'rules' );
+
+		$xmlnodes = $xpath->query( '/configuration/system.webServer/rewrite' );
+		if ( $xmlnodes->length > 0 ) {
+			$rewrite_node = $xmlnodes->item( 0 );
+			$rewrite_node->appendChild( $rules_node );
+		} else {
+			$rewrite_node = $doc->createElement( 'rewrite' );
+			$rewrite_node->appendChild( $rules_node );
+
+			$xmlnodes = $xpath->query( '/configuration/system.webServer' );
+			if ( $xmlnodes->length > 0 ) {
+				$system_webServer_node = $xmlnodes->item( 0 );
+				$system_webServer_node->appendChild( $rewrite_node );
+			} else {
+				$system_webServer_node = $doc->createElement( 'system.webServer' );
+				$system_webServer_node->appendChild( $rewrite_node );
+
+				$xmlnodes = $xpath->query( '/configuration' );
+				if ( $xmlnodes->length > 0 ) {
+					$config_node = $xmlnodes->item( 0 );
+					$config_node->appendChild( $system_webServer_node );
+				} else {
+					$config_node = $doc->createElement( 'configuration' );
+					$doc->appendChild( $config_node );
+					$config_node->appendChild( $system_webServer_node );
+				}
+			}
+		}
+	}
+
+	$rule_fragment = $doc->createDocumentFragment();
+	$rule_fragment->appendXML( $rewrite_rule );
+	$rules_node->appendChild( $rule_fragment );
+
+	$doc->encoding     = 'UTF-8';
+	$doc->formatOutput = true;
+	saveDomDocument( $doc, $filename );
+
+	return true;
+}
+
+/**
+ * Saves the XML document into a file
+ *
+ * @since 2.8.0
+ *
+ * @param DOMDocument $doc
+ * @param string $filename
+ */
+function saveDomDocument( $doc, $filename ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
+	$config = $doc->saveXML();
+	$config = preg_replace( "/([^\r])\n/", "$1\r\n", $config );
+	$fp     = fopen( $filename, 'w' );
+	fwrite( $fp, $config );
+	fclose( $fp );
+}
+
+/**
+ * Display the default admin color scheme picker (Used in user-edit.php)
+ *
+ * @since 3.0.0
+ *
+ * @global array $_wp_admin_css_colors
+ *
+ * @param int $user_id User ID.
+ */
+function admin_color_scheme_picker( $user_id ) {
+	global $_wp_admin_css_colors;
+
+	ksort( $_wp_admin_css_colors );
+
+	if ( isset( $_wp_admin_css_colors['fresh'] ) ) {
+		// Set Default ('fresh') and Light should go first.
+		$_wp_admin_css_colors = array_filter(
+			array_merge(
+				array(
+					'fresh' => '',
+					'light' => '',
+				),
+				$_wp_admin_css_colors
+			)
+		);
+	}
+
+	$current_color = get_user_option( 'admin_color', $user_id );
+
+	if ( empty( $current_color ) || ! isset( $_wp_admin_css_colors[ $current_color ] ) ) {
+		$current_color = 'fresh';
+	}
+
+	?>
+	<fieldset id="color-picker" class="scheme-list">
+		<legend class="screen-reader-text"><span><?php _e( 'Admin Color Scheme' ); ?></span></legend>
+		<?php
+		wp_nonce_field( 'save-color-scheme', 'color-nonce', false );
+		foreach ( $_wp_admin_css_colors as $color => $color_info ) :
+
+			?>
+			<div class="color-option <?php echo ( $color == $current_color ) ? 'selected' : ''; ?>">
+				<input name="admin_color" id="admin_color_<?php echo esc_attr( $color ); ?>" type="radio" value="<?php echo esc_attr( $color ); ?>" class="tog" <?php checked( $color, $current_color ); ?> />
+				<input type="hidden" class="css_url" value="<?php echo esc_url( $color_info->url ); ?>" />
+				<input type="hidden" class="icon_colors" value="<?php echo esc_attr( wp_json_encode( array( 'icons' => $color_info->icon_colors ) ) ); ?>" />
+				<label for="admin_color_<?php echo esc_attr( $color ); ?>"><?php echo esc_html( $color_info->name ); ?></label>
+				<table class="color-palette">
+					<tr>
+					<?php
+
+					foreach ( $color_info->colors as $html_color ) {
+						?>
+						<td style="background-color: <?php echo esc_attr( $html_color ); ?>">&nbsp;</td>
+						<?php
+					}
+
+					?>
+					</tr>
+				</table>
+			</div>
+			<?php
+
+		endforeach;
+
+		?>
+	</fieldset>
+	<?php
+}
+
+/**
+ *
+ * @global array $_wp_admin_css_colors
+ */
+function wp_color_scheme_settings() {
+	global $_wp_admin_css_colors;
+
+	$color_scheme = get_user_option( 'admin_color' );
+
+	// It's possible to have a color scheme set that is no longer registered.
+	if ( empty( $_wp_admin_css_colors[ $color_scheme ] ) ) {
+		$color_scheme = 'fresh';
+	}
+
+	if ( ! empty( $_wp_admin_css_colors[ $color_scheme ]->icon_colors ) ) {
+		$icon_colors = $_wp_admin_css_colors[ $color_scheme ]->icon_colors;
+	} elseif ( ! empty( $_wp_admin_css_colors['fresh']->icon_colors ) ) {
+		$icon_colors = $_wp_admin_css_colors['fresh']->icon_colors;
+	} else {
+		// Fall back to the default set of icon colors if the default scheme is missing.
+		$icon_colors = array(
+			'base'    => '#a0a5aa',
+			'focus'   => '#00a0d2',
+			'current' => '#fff',
+		);
+	}
+
+	echo '<script type="text/javascript">var _wpColorScheme = ' . wp_json_encode( array( 'icons' => $icon_colors ) ) . ";</script>\n";
+}
+
+/**
+ * @since 3.3.0
+ */
+function _ipad_meta() {
+	if ( wp_is_mobile() ) {
+		?>
+		<meta name="viewport" id="viewport-meta" content="width=device-width, initial-scale=1">
+		<?php
+	}
+}
+
+/**
+ * Check lock status for posts displayed on the Posts screen
+ *
+ * @since 3.6.0
+ *
+ * @param array  $response  The Heartbeat response.
+ * @param array  $data      The $_POST data sent.
+ * @param string $screen_id The screen id.
+ * @return array The Heartbeat response.
+ */
+function wp_check_locked_posts( $response, $data, $screen_id ) {
+	$checked = array();
+
+	if ( array_key_exists( 'wp-check-locked-posts', $data ) && is_array( $data['wp-check-locked-posts'] ) ) {
+		foreach ( $data['wp-check-locked-posts'] as $key ) {
+			$post_id = absint( substr( $key, 5 ) );
+			if ( ! $post_id ) {
+				continue;
+			}
+
+			$user_id = wp_check_post_lock( $post_id );
+			if ( $user_id ) {
+				$user = get_userdata( $user_id );
+				if ( $user && current_user_can( 'edit_post', $post_id ) ) {
+					$send = array(
+						/* translators: %s: User's display name. */
+						'text' => sprintf( __( '%s is currently editing' ), $user->display_name ),
+					);
+
+					$avatar = get_avatar( $user->ID, 18 );
+					if ( $avatar && preg_match( "|src='([^']+)'|", $avatar, $matches ) ) {
+						$send['avatar_src'] = $matches[1];
+					}
+
+					$checked[ $key ] = $send;
+				}
+			}
+		}
+	}
+
+	if ( ! empty( $checked ) ) {
+		$response['wp-check-locked-posts'] = $checked;
+	}
+
+	return $response;
+}
+
+/**
+ * Check lock status on the New/Edit Post screen and refresh the lock
+ *
+ * @since 3.6.0
+ *
+ * @param array  $response  The Heartbeat response.
+ * @param array  $data      The $_POST data sent.
+ * @param string $screen_id The screen id.
+ * @return array The Heartbeat response.
+ */
+function wp_refresh_post_lock( $response, $data, $screen_id ) {
+	if ( array_key_exists( 'wp-refresh-post-lock', $data ) ) {
+		$received = $data['wp-refresh-post-lock'];
+		$send     = array();
+
+		$post_id = absint( $received['post_id'] );
+		if ( ! $post_id ) {
+			return $response;
+		}
+
+		if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			return $response;
+		}
+
+		$user_id = wp_check_post_lock( $post_id );
+		$user    = get_userdata( $user_id );
+		if ( $user ) {
+			$error = array(
+				/* translators: %s: User's display name. */
+				'text' => sprintf( __( '%s has taken over and is currently editing.' ), $user->display_name ),
+			);
+
+			$avatar = get_avatar( $user->ID, 64 );
+			if ( $avatar ) {
+				if ( preg_match( "|src='([^']+)'|", $avatar, $matches ) ) {
+					$error['avatar_src'] = $matches[1];
+				}
+			}
+
+			$send['lock_error'] = $error;
+		} else {
+			$new_lock = wp_set_post_lock( $post_id );
+			if ( $new_lock ) {
+				$send['new_lock'] = implode( ':', $new_lock );
+			}
+		}
+
+		$response['wp-refresh-post-lock'] = $send;
+	}
+
+	return $response;
+}
+
+/**
+ * Check nonce expiration on the New/Edit Post screen and refresh if needed
+ *
+ * @since 3.6.0
+ *
+ * @param array  $response  The Heartbeat response.
+ * @param array  $data      The $_POST data sent.
+ * @param string $screen_id The screen id.
+ * @return array The Heartbeat response.
+ */
+function wp_refresh_post_nonces( $response, $data, $screen_id ) {
+	if ( array_key_exists( 'wp-refresh-post-nonces', $data ) ) {
+		$received                           = $data['wp-refresh-post-nonces'];
+		$response['wp-refresh-post-nonces'] = array( 'check' => 1 );
+
+		$post_id = absint( $received['post_id'] );
+		if ( ! $post_id ) {
+			return $response;
+		}
+
+		if ( ! current_user_can( 'edit_post', $post_id ) ) {
+			return $response;
+		}
+
+		$response['wp-refresh-post-nonces'] = array(
+			'replace' => array(
+				'getpermalinknonce'    => wp_create_nonce( 'getpermalink' ),
+				'samplepermalinknonce' => wp_create_nonce( 'samplepermalink' ),
+				'closedpostboxesnonce' => wp_create_nonce( 'closedpostboxes' ),
+				'_ajax_linking_nonce'  => wp_create_nonce( 'internal-linking' ),
+				'_wpnonce'             => wp_create_nonce( 'update-post_' . $post_id ),
+			),
+		);
+	}
+
+	return $response;
+}
+
+/**
+ * Add the latest Heartbeat and REST-API nonce to the Heartbeat response.
+ *
+ * @since 5.0.0
+ *
+ * @param array  $response  The Heartbeat response.
+ * @return array The Heartbeat response.
+ */
+function wp_refresh_heartbeat_nonces( $response ) {
+	// Refresh the Rest API nonce.
+	$response['rest_nonce'] = wp_create_nonce( 'wp_rest' );
+
+	// Refresh the Heartbeat nonce.
+	$response['heartbeat_nonce'] = wp_create_nonce( 'heartbeat-nonce' );
+	return $response;
+}
+
+/**
+ * Disable suspension of Heartbeat on the Add/Edit Post screens.
+ *
+ * @since 3.8.0
+ *
+ * @global string $pagenow
+ *
+ * @param array $settings An array of Heartbeat settings.
+ * @return array Filtered Heartbeat settings.
+ */
+function wp_heartbeat_set_suspension( $settings ) {
+	global $pagenow;
+
+	if ( 'post.php' === $pagenow || 'post-new.php' === $pagenow ) {
+		$settings['suspension'] = 'disable';
+	}
+
+	return $settings;
+}
+
+/**
+ * Autosave with heartbeat
+ *
+ * @since 3.9.0
+ *
+ * @param array $response The Heartbeat response.
+ * @param array $data     The $_POST data sent.
+ * @return array The Heartbeat response.
+ */
+function heartbeat_autosave( $response, $data ) {
+	if ( ! empty( $data['wp_autosave'] ) ) {
+		$saved = wp_autosave( $data['wp_autosave'] );
+
+		if ( is_wp_error( $saved ) ) {
+			$response['wp_autosave'] = array(
+				'success' => false,
+				'message' => $saved->get_error_message(),
+			);
+		} elseif ( empty( $saved ) ) {
+			$response['wp_autosave'] = array(
+				'success' => false,
+				'message' => __( 'Error while saving.' ),
+			);
+		} else {
+			/* translators: Draft saved date format, see https://secure.php.net/date */
+			$draft_saved_date_format = __( 'g:i:s a' );
+			$response['wp_autosave'] = array(
+				'success' => true,
+				/* translators: %s: Date and time. */
+				'message' => sprintf( __( 'Draft saved at %s.' ), date_i18n( $draft_saved_date_format ) ),
+			);
+		}
+	}
+
+	return $response;
+}
+
+/**
+ * Remove single-use URL parameters and create canonical link based on new URL.
+ *
+ * Remove specific query string parameters from a URL, create the canonical link,
+ * put it in the admin header, and change the current URL to match.
+ *
+ * @since 4.2.0
+ */
+function wp_admin_canonical_url() {
+	$removable_query_args = wp_removable_query_args();
+
+	if ( empty( $removable_query_args ) ) {
+		return;
+	}
+
+	// Ensure we're using an absolute URL.
+	$current_url  = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
+	$filtered_url = remove_query_arg( $removable_query_args, $current_url );
+	?>
+	<link id="wp-admin-canonical" rel="canonical" href="<?php echo esc_url( $filtered_url ); ?>" />
+	<script>
+		if ( window.history.replaceState ) {
+			window.history.replaceState( null, null, document.getElementById( 'wp-admin-canonical' ).href + window.location.hash );
+		}
+	</script>
+	<?php
+}
+
+/**
+ * Send a referrer policy header so referrers are not sent externally from administration screens.
+ *
+ * @since 4.9.0
+ */
+function wp_admin_headers() {
+	$policy = 'strict-origin-when-cross-origin';
+
+	/**
+	 * Filters the admin referrer policy header value.
+	 *
+	 * @since 4.9.0
+	 * @since 4.9.5 The default value was changed to 'strict-origin-when-cross-origin'.
+	 *
+	 * @link https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy
+	 *
+	 * @param string $policy The admin referrer policy header value. Default 'strict-origin-when-cross-origin'.
+	 */
+	$policy = apply_filters( 'admin_referrer_policy', $policy );
+
+	header( sprintf( 'Referrer-Policy: %s', $policy ) );
+}
+
+/**
+ * Outputs JS that reloads the page if the user navigated to it with the Back or Forward button.
+ *
+ * Used on the Edit Post and Add New Post screens. Needed to ensure the page is not loaded from browser cache,
+ * so the post title and editor content are the last saved versions. Ideally this script should run first in the head.
+ *
+ * @since 4.6.0
+ */
+function wp_page_reload_on_back_button_js() {
+	?>
+	<script>
+		if ( typeof performance !== 'undefined' && performance.navigation && performance.navigation.type === 2 ) {
+			document.location.reload( true );
+		}
+	</script>
+	<?php
+}
+
+/**
+ * Send a confirmation request email when a change of site admin email address is attempted.
+ *
+ * The new site admin address will not become active until confirmed.
+ *
+ * @since 3.0.0
+ * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific.
+ *
+ * @param string $old_value The old site admin email address.
+ * @param string $value     The proposed new site admin email address.
+ */
+function update_option_new_admin_email( $old_value, $value ) {
+	if ( $value == get_option( 'admin_email' ) || ! is_email( $value ) ) {
+		return;
+	}
+
+	$hash            = md5( $value . time() . wp_rand() );
+	$new_admin_email = array(
+		'hash'     => $hash,
+		'newemail' => $value,
+	);
+	update_option( 'adminhash', $new_admin_email );
+
+	$switched_locale = switch_to_locale( get_user_locale() );
+
+	/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
+	$email_text = __(
+		'Howdy ###USERNAME###,
+
+You recently requested to have the administration email address on
+your site changed.
+
+If this is correct, please click on the following link to change it:
+###ADMIN_URL###
+
+You can safely ignore and delete this email if you do not want to
+take this action.
+
+This email has been sent to ###EMAIL###
+
+Regards,
+All at ###SITENAME###
+###SITEURL###'
+	);
+
+	/**
+	 * Filters the text of the email sent when a change of site admin email address is attempted.
+	 *
+	 * The following strings have a special meaning and will get replaced dynamically:
+	 * ###USERNAME###  The current user's username.
+	 * ###ADMIN_URL### The link to click on to confirm the email change.
+	 * ###EMAIL###     The proposed new site admin email address.
+	 * ###SITENAME###  The name of the site.
+	 * ###SITEURL###   The URL to the site.
+	 *
+	 * @since MU (3.0.0)
+	 * @since 4.9.0 This filter is no longer Multisite specific.
+	 *
+	 * @param string $email_text      Text in the email.
+	 * @param array  $new_admin_email {
+	 *     Data relating to the new site admin email address.
+	 *
+	 *     @type string $hash     The secure hash used in the confirmation link URL.
+	 *     @type string $newemail The proposed new site admin email address.
+	 * }
+	 */
+	$content = apply_filters( 'new_admin_email_content', $email_text, $new_admin_email );
+
+	$current_user = wp_get_current_user();
+	$content      = str_replace( '###USERNAME###', $current_user->user_login, $content );
+	$content      = str_replace( '###ADMIN_URL###', esc_url( self_admin_url( 'options.php?adminhash=' . $hash ) ), $content );
+	$content      = str_replace( '###EMAIL###', $value, $content );
+	$content      = str_replace( '###SITENAME###', wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $content );
+	$content      = str_replace( '###SITEURL###', home_url(), $content );
+
+	wp_mail(
+		$value,
+		sprintf(
+			/* translators: New admin email address notification email subject. %s: Site title. */
+			__( '[%s] New Admin Email Address' ),
+			wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES )
+		),
+		$content
+	);
+
+	if ( $switched_locale ) {
+		restore_previous_locale();
+	}
+}
+
+/**
+ * Appends '(Draft)' to draft page titles in the privacy page dropdown
+ * so that unpublished content is obvious.
+ *
+ * @since 4.9.8
+ * @access private
+ *
+ * @param string  $title Page title.
+ * @param WP_Post $page  Page data object.
+ *
+ * @return string Page title.
+ */
+function _wp_privacy_settings_filter_draft_page_titles( $title, $page ) {
+	if ( 'draft' === $page->post_status && 'privacy' === get_current_screen()->id ) {
+		/* translators: %s: Page title. */
+		$title = sprintf( __( '%s (Draft)' ), $title );
+	}
+
+	return $title;
+}
+
+/**
+ * Checks if the user needs to update PHP.
+ *
+ * @since 5.1.0
+ * @since 5.1.1 Added the {@see 'wp_is_php_version_acceptable'} filter.
+ *
+ * @return array|false $response Array of PHP version data. False on failure.
+ */
+function wp_check_php_version() {
+	$version = phpversion();
+	$key     = md5( $version );
+
+	$response = get_site_transient( 'php_check_' . $key );
+	if ( false === $response ) {
+		$url = 'http://api.wordpress.org/core/serve-happy/1.0/';
+		if ( wp_http_supports( array( 'ssl' ) ) ) {
+			$url = set_url_scheme( $url, 'https' );
+		}
+
+		$url = add_query_arg( 'php_version', $version, $url );
+
+		$response = wp_remote_get( $url );
+
+		if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
+			return false;
+		}
+
+		/**
+		 * Response should be an array with:
+		 *  'recommended_version' - string - The PHP version recommended by WordPress.
+		 *  'is_supported' - boolean - Whether the PHP version is actively supported.
+		 *  'is_secure' - boolean - Whether the PHP version receives security updates.
+		 *  'is_acceptable' - boolean - Whether the PHP version is still acceptable for WordPress.
+		 */
+		$response = json_decode( wp_remote_retrieve_body( $response ), true );
+
+		if ( ! is_array( $response ) ) {
+			return false;
+		}
+
+		set_site_transient( 'php_check_' . $key, $response, WEEK_IN_SECONDS );
+	}
+
+	if ( isset( $response['is_acceptable'] ) && $response['is_acceptable'] ) {
+		/**
+		 * Filters whether the active PHP version is considered acceptable by WordPress.
+		 *
+		 * Returning false will trigger a PHP version warning to show up in the admin dashboard to administrators.
+		 *
+		 * This filter is only run if the wordpress.org Serve Happy API considers the PHP version acceptable, ensuring
+		 * that this filter can only make this check stricter, but not loosen it.
+		 *
+		 * @since 5.1.1
+		 *
+		 * @param bool   $is_acceptable Whether the PHP version is considered acceptable. Default true.
+		 * @param string $version       PHP version checked.
+		 */
+		$response['is_acceptable'] = (bool) apply_filters( 'wp_is_php_version_acceptable', true, $version );
+	}
+
+	return $response;
+}