Edit file File name : plugin.php Content :<?php /** * WordPress Plugin Administration API * * @package WordPress * @subpackage Administration */ /** * Parses the plugin contents to retrieve plugin's metadata. * * All plugin headers must be on their own line. Plugin description must not have * any newlines, otherwise only parts of the description will be displayed. * The below is formatted for printing. * * /* * Plugin Name: Name of the plugin. * Plugin URI: The home page of the plugin. * Description: Plugin description. * Author: Plugin author's name. * Author URI: Link to the author's website. * Version: Plugin version. * Text Domain: Optional. Unique identifier, should be same as the one used in * load_plugin_textdomain(). * Domain Path: Optional. Only useful if the translations are located in a * folder above the plugin's base path. For example, if .mo files are * located in the locale folder then Domain Path will be "/locale/" and * must have the first slash. Defaults to the base folder the plugin is * located in. * Network: Optional. Specify "Network: true" to require that a plugin is activated * across all sites in an installation. This will prevent a plugin from being * activated on a single site when Multisite is enabled. * Requires at least: Optional. Specify the minimum required WordPress version. * Requires PHP: Optional. Specify the minimum required PHP version. * * / # Remove the space to close comment. * * The first 8 KB of the file will be pulled in and if the plugin data is not * within that first 8 KB, then the plugin author should correct their plugin * and move the plugin data headers to the top. * * The plugin file is assumed to have permissions to allow for scripts to read * the file. This is not checked however and the file is only opened for * reading. * * @since 1.5.0 * @since 5.3.0 Added support for `Requires at least` and `Requires PHP` headers. * @since 5.8.0 Added support for `Update URI` header. * @since 6.5.0 Added support for `Requires Plugins` header. * * @param string $plugin_file Absolute path to the main plugin file. * @param bool $markup Optional. If the returned data should have HTML markup applied. * Default true. * @param bool $translate Optional. If the returned data should be translated. Default true. * @return array { * Plugin data. Values will be empty if not supplied by the plugin. * * @type string $Name Name of the plugin. Should be unique. * @type string $PluginURI Plugin URI. * @type string $Version Plugin version. * @type string $Description Plugin description. * @type string $Author Plugin author's name. * @type string $AuthorURI Plugin author's website address (if set). * @type string $TextDomain Plugin textdomain. * @type string $DomainPath Plugin's relative directory path to .mo files. * @type bool $Network Whether the plugin can only be activated network-wide. * @type string $RequiresWP Minimum required version of WordPress. * @type string $RequiresPHP Minimum required version of PHP. * @type string $UpdateURI ID of the plugin for update purposes, should be a URI. * @type string $RequiresPlugins Comma separated list of dot org plugin slugs. * @type string $Title Title of the plugin and link to the plugin's site (if set). * @type string $AuthorName Plugin author's name. * } */ function get_plugin_data( $plugin_file, $markup = true, $translate = true ) { $default_headers = array( 'Name' => 'Plugin Name', 'PluginURI' => 'Plugin URI', 'Version' => 'Version', 'Description' => 'Description', 'Author' => 'Author', 'AuthorURI' => 'Author URI', 'TextDomain' => 'Text Domain', 'DomainPath' => 'Domain Path', 'Network' => 'Network', 'RequiresWP' => 'Requires at least', 'RequiresPHP' => 'Requires PHP', 'UpdateURI' => 'Update URI', 'RequiresPlugins' => 'Requires Plugins', // Site Wide Only is deprecated in favor of Network. '_sitewide' => 'Site Wide Only', ); $plugin_data = get_file_data( $plugin_file, $default_headers, 'plugin' ); // Site Wide Only is the old header for Network. if ( ! $plugin_data['Network'] && $plugin_data['_sitewide'] ) { /* translators: 1: Site Wide Only: true, 2: Network: true */ _deprecated_argument( __FUNCTION__, '3.0.0', sprintf( __( 'The %1$s plugin header is deprecated. Use %2$s instead.' ), '<code>Site Wide Only: true</code>', '<code>Network: true</code>' ) ); $plugin_data['Network'] = $plugin_data['_sitewide']; } $plugin_data['Network'] = ( 'true' === strtolower( $plugin_data['Network'] ) ); unset( $plugin_data['_sitewide'] ); // If no text domain is defined fall back to the plugin slug. if ( ! $plugin_data['TextDomain'] ) { $plugin_slug = dirname( plugin_basename( $plugin_file ) ); if ( '.' !== $plugin_slug && ! str_contains( $plugin_slug, '/' ) ) { $plugin_data['TextDomain'] = $plugin_slug; } } if ( $markup || $translate ) { $plugin_data = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup, $translate ); } else { $plugin_data['Title'] = $plugin_data['Name']; $plugin_data['AuthorName'] = $plugin_data['Author']; } return $plugin_data; } /** * Sanitizes plugin data, optionally adds markup, optionally translates. * * @since 2.7.0 * * @see get_plugin_data() * * @access private * * @param string $plugin_file Path to the main plugin file. * @param array $plugin_data An array of plugin data. See get_plugin_data(). * @param bool $markup Optional. If the returned data should have HTML markup applied. * Default true. * @param bool $translate Optional. If the returned data should be translated. Default true. * @return array Plugin data. Values will be empty if not supplied by the plugin. * See get_plugin_data() for the list of possible values. */ function _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup = true, $translate = true ) { // Sanitize the plugin filename to a WP_PLUGIN_DIR relative path. $plugin_file = plugin_basename( $plugin_file ); // Translate fields. if ( $translate ) { $textdomain = $plugin_data['TextDomain']; if ( $textdomain ) { if ( ! is_textdomain_loaded( $textdomain ) ) { if ( $plugin_data['DomainPath'] ) { load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) . $plugin_data['DomainPath'] ); } else { load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) ); } } } elseif ( 'hello.php' === basename( $plugin_file ) ) { $textdomain = 'default'; } if ( $textdomain ) { foreach ( array( 'Name', 'PluginURI', 'Description', 'Author', 'AuthorURI', 'Version' ) as $field ) { if ( ! empty( $plugin_data[ $field ] ) ) { // phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain $plugin_data[ $field ] = translate( $plugin_data[ $field ], $textdomain ); } } } } // Sanitize fields. $allowed_tags_in_links = array( 'abbr' => array( 'title' => true ), 'acronym' => array( 'title' => true ), 'code' => true, 'em' => true, 'strong' => true, ); $allowed_tags = $allowed_tags_in_links; $allowed_tags['a'] = array( 'href' => true, 'title' => true, ); /* * Name is marked up inside <a> tags. Don't allow these. * Author is too, but some plugins have used <a> here (omitting Author URI). */ $plugin_data['Name'] = wp_kses( $plugin_data['Name'], $allowed_tags_in_links ); $plugin_data['Author'] = wp_kses( $plugin_data['Author'], $allowed_tags ); $plugin_data['Description'] = wp_kses( $plugin_data['Description'], $allowed_tags ); $plugin_data['Version'] = wp_kses( $plugin_data['Version'], $allowed_tags ); $plugin_data['PluginURI'] = esc_url( $plugin_data['PluginURI'] ); $plugin_data['AuthorURI'] = esc_url( $plugin_data['AuthorURI'] ); $plugin_data['Title'] = $plugin_data['Name']; $plugin_data['AuthorName'] = $plugin_data['Author']; // Apply markup. if ( $markup ) { if ( $plugin_data['PluginURI'] && $plugin_data['Name'] ) { $plugin_data['Title'] = '<a href="' . $plugin_data['PluginURI'] . '">' . $plugin_data['Name'] . '</a>'; } if ( $plugin_data['AuthorURI'] && $plugin_data['Author'] ) { $plugin_data['Author'] = '<a href="' . $plugin_data['AuthorURI'] . '">' . $plugin_data['Author'] . '</a>'; } $plugin_data['Description'] = wptexturize( $plugin_data['Description'] ); if ( $plugin_data['Author'] ) { $plugin_data['Description'] .= sprintf( /* translators: %s: Plugin author. */ ' <cite>' . __( 'By %s.' ) . '</cite>', $plugin_data['Author'] ); } } return $plugin_data; } /** * Gets a list of a plugin's files. * * @since 2.8.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return string[] Array of file names relative to the plugin root. */ function get_plugin_files( $plugin ) { $plugin_file = WP_PLUGIN_DIR . '/' . $plugin; $dir = dirname( $plugin_file ); $plugin_files = array( plugin_basename( $plugin_file ) ); if ( is_dir( $dir ) && WP_PLUGIN_DIR !== $dir ) { /** * Filters the array of excluded directories and files while scanning the folder. * * @since 4.9.0 * * @param string[] $exclusions Array of excluded directories and files. */ $exclusions = (array) apply_filters( 'plugin_files_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) ); $list_files = list_files( $dir, 100, $exclusions ); $list_files = array_map( 'plugin_basename', $list_files ); $plugin_files = array_merge( $plugin_files, $list_files ); $plugin_files = array_values( array_unique( $plugin_files ) ); } return $plugin_files; } /** * Checks the plugins directory and retrieve all plugin files with plugin data. * * WordPress only supports plugin files in the base plugins directory * (wp-content/plugins) and in one directory above the plugins directory * (wp-content/plugins/my-plugin). The file it looks for has the plugin data * and must be found in those two locations. It is recommended to keep your * plugin files in their own directories. * * The file with the plugin data is the file that will be included and therefore * needs to have the main execution for the plugin. This does not mean * everything must be contained in the file and it is recommended that the file * be split for maintainability. Keep everything in one file for extreme * optimization purposes. * * @since 1.5.0 * * @param string $plugin_folder Optional. Relative path to single plugin folder. * @return array[] Array of arrays of plugin data, keyed by plugin file name. See get_plugin_data(). */ function get_plugins( $plugin_folder = '' ) { $cache_plugins = wp_cache_get( 'plugins', 'plugins' ); if ( ! $cache_plugins ) { $cache_plugins = array(); } if ( isset( $cache_plugins[ $plugin_folder ] ) ) { return $cache_plugins[ $plugin_folder ]; } $wp_plugins = array(); $plugin_root = WP_PLUGIN_DIR; if ( ! empty( $plugin_folder ) ) { $plugin_root .= $plugin_folder; } // Files in wp-content/plugins directory. $plugins_dir = @opendir( $plugin_root ); $plugin_files = array(); if ( $plugins_dir ) { while ( ( $file = readdir( $plugins_dir ) ) !== false ) { if ( str_starts_with( $file, '.' ) ) { continue; } if ( is_dir( $plugin_root . '/' . $file ) ) { $plugins_subdir = @opendir( $plugin_root . '/' . $file ); if ( $plugins_subdir ) { while ( ( $subfile = readdir( $plugins_subdir ) ) !== false ) { if ( str_starts_with( $subfile, '.' ) ) { continue; } if ( str_ends_with( $subfile, '.php' ) ) { $plugin_files[] = "$file/$subfile"; } } closedir( $plugins_subdir ); } } elseif ( str_ends_with( $file, '.php' ) ) { $plugin_files[] = $file; } } closedir( $plugins_dir ); } if ( empty( $plugin_files ) ) { return $wp_plugins; } foreach ( $plugin_files as $plugin_file ) { if ( ! is_readable( "$plugin_root/$plugin_file" ) ) { continue; } // Do not apply markup/translate as it will be cached. $plugin_data = get_plugin_data( "$plugin_root/$plugin_file", false, false ); if ( empty( $plugin_data['Name'] ) ) { continue; } $wp_plugins[ plugin_basename( $plugin_file ) ] = $plugin_data; } uasort( $wp_plugins, '_sort_uname_callback' ); $cache_plugins[ $plugin_folder ] = $wp_plugins; wp_cache_set( 'plugins', $cache_plugins, 'plugins' ); return $wp_plugins; } /** * Checks the mu-plugins directory and retrieve all mu-plugin files with any plugin data. * * WordPress only includes mu-plugin files in the base mu-plugins directory (wp-content/mu-plugins). * * @since 3.0.0 * @return array[] Array of arrays of mu-plugin data, keyed by plugin file name. See get_plugin_data(). */ function get_mu_plugins() { $wp_plugins = array(); $plugin_files = array(); if ( ! is_dir( WPMU_PLUGIN_DIR ) ) { return $wp_plugins; } // Files in wp-content/mu-plugins directory. $plugins_dir = @opendir( WPMU_PLUGIN_DIR ); if ( $plugins_dir ) { while ( ( $file = readdir( $plugins_dir ) ) !== false ) { if ( str_ends_with( $file, '.php' ) ) { $plugin_files[] = $file; } } } else { return $wp_plugins; } closedir( $plugins_dir ); if ( empty( $plugin_files ) ) { return $wp_plugins; } foreach ( $plugin_files as $plugin_file ) { if ( ! is_readable( WPMU_PLUGIN_DIR . "/$plugin_file" ) ) { continue; } // Do not apply markup/translate as it will be cached. $plugin_data = get_plugin_data( WPMU_PLUGIN_DIR . "/$plugin_file", false, false ); if ( empty( $plugin_data['Name'] ) ) { $plugin_data['Name'] = $plugin_file; } $wp_plugins[ $plugin_file ] = $plugin_data; } if ( isset( $wp_plugins['index.php'] ) && filesize( WPMU_PLUGIN_DIR . '/index.php' ) <= 30 ) { // Silence is golden. unset( $wp_plugins['index.php'] ); } uasort( $wp_plugins, '_sort_uname_callback' ); return $wp_plugins; } /** * Declares a callback to sort array by a 'Name' key. * * @since 3.1.0 * * @access private * * @param array $a array with 'Name' key. * @param array $b array with 'Name' key. * @return int Return 0 or 1 based on two string comparison. */ function _sort_uname_callback( $a, $b ) { return strnatcasecmp( $a['Name'], $b['Name'] ); } /** * Checks the wp-content directory and retrieve all drop-ins with any plugin data. * * @since 3.0.0 * @return array[] Array of arrays of dropin plugin data, keyed by plugin file name. See get_plugin_data(). */ function get_dropins() { $dropins = array(); $plugin_files = array(); $_dropins = _get_dropins(); // Files in wp-content directory. $plugins_dir = @opendir( WP_CONTENT_DIR ); if ( $plugins_dir ) { while ( ( $file = readdir( $plugins_dir ) ) !== false ) { if ( isset( $_dropins[ $file ] ) ) { $plugin_files[] = $file; } } } else { return $dropins; } closedir( $plugins_dir ); if ( empty( $plugin_files ) ) { return $dropins; } foreach ( $plugin_files as $plugin_file ) { if ( ! is_readable( WP_CONTENT_DIR . "/$plugin_file" ) ) { continue; } // Do not apply markup/translate as it will be cached. $plugin_data = get_plugin_data( WP_CONTENT_DIR . "/$plugin_file", false, false ); if ( empty( $plugin_data['Name'] ) ) { $plugin_data['Name'] = $plugin_file; } $dropins[ $plugin_file ] = $plugin_data; } uksort( $dropins, 'strnatcasecmp' ); return $dropins; } /** * Returns drop-in plugins that WordPress uses. * * Includes Multisite drop-ins only when is_multisite() * * @since 3.0.0 * * @return array[] { * Key is file name. The value is an array of data about the drop-in. * * @type array ...$0 { * Data about the drop-in. * * @type string $0 The purpose of the drop-in. * @type string|true $1 Name of the constant that must be true for the drop-in * to be used, or true if no constant is required. * } * } */ function _get_dropins() { $dropins = array( 'advanced-cache.php' => array( __( 'Advanced caching plugin.' ), 'WP_CACHE' ), // WP_CACHE 'db.php' => array( __( 'Custom database class.' ), true ), // Auto on load. 'db-error.php' => array( __( 'Custom database error message.' ), true ), // Auto on error. 'install.php' => array( __( 'Custom installation script.' ), true ), // Auto on installation. 'maintenance.php' => array( __( 'Custom maintenance message.' ), true ), // Auto on maintenance. 'object-cache.php' => array( __( 'External object cache.' ), true ), // Auto on load. 'php-error.php' => array( __( 'Custom PHP error message.' ), true ), // Auto on error. 'fatal-error-handler.php' => array( __( 'Custom PHP fatal error handler.' ), true ), // Auto on error. ); if ( is_multisite() ) { $dropins['sunrise.php'] = array( __( 'Executed before Multisite is loaded.' ), 'SUNRISE' ); // SUNRISE $dropins['blog-deleted.php'] = array( __( 'Custom site deleted message.' ), true ); // Auto on deleted blog. $dropins['blog-inactive.php'] = array( __( 'Custom site inactive message.' ), true ); // Auto on inactive blog. $dropins['blog-suspended.php'] = array( __( 'Custom site suspended message.' ), true ); // Auto on archived or spammed blog. } return $dropins; } /** * Determines whether a plugin is active. * * Only plugins installed in the plugins/ folder can be active. * * Plugins in the mu-plugins/ folder can't be "activated," so this function will * return false for those plugins. * * 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 2.5.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return bool True, if in the active plugins list. False, not in the list. */ function is_plugin_active( $plugin ) { return in_array( $plugin, (array) get_option( 'active_plugins', array() ), true ) || is_plugin_active_for_network( $plugin ); } /** * Determines whether the plugin is inactive. * * Reverse of is_plugin_active(). Used as a callback. * * 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 3.1.0 * * @see is_plugin_active() * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return bool True if inactive. False if active. */ function is_plugin_inactive( $plugin ) { return ! is_plugin_active( $plugin ); } /** * Determines whether the plugin is active for the entire network. * * Only plugins installed in the plugins/ folder can be active. * * Plugins in the mu-plugins/ folder can't be "activated," so this function will * return false for those plugins. * * 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 3.0.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return bool True if active for the network, otherwise false. */ function is_plugin_active_for_network( $plugin ) { if ( ! is_multisite() ) { return false; } $plugins = get_site_option( 'active_sitewide_plugins' ); if ( isset( $plugins[ $plugin ] ) ) { return true; } return false; } /** * Checks for "Network: true" in the plugin header to see if this should * be activated only as a network wide plugin. The plugin would also work * when Multisite is not enabled. * * Checks for "Site Wide Only: true" for backward compatibility. * * @since 3.0.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return bool True if plugin is network only, false otherwise. */ function is_network_only_plugin( $plugin ) { $plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ); if ( $plugin_data ) { return $plugin_data['Network']; } return false; } /** * Attempts activation of plugin in a "sandbox" and redirects on success. * * A plugin that is already activated will not attempt to be activated again. * * The way it works is by setting the redirection to the error before trying to * include the plugin file. If the plugin fails, then the redirection will not * be overwritten with the success message. Also, the options will not be * updated and the activation hook will not be called on plugin error. * * It should be noted that in no way the below code will actually prevent errors * within the file. The code should not be used elsewhere to replicate the * "sandbox", which uses redirection to work. * {@source 13 1} * * If any errors are found or text is outputted, then it will be captured to * ensure that the success redirection will update the error redirection. * * @since 2.5.0 * @since 5.2.0 Test for WordPress version and PHP version compatibility. * * @param string $plugin Path to the plugin file relative to the plugins directory. * @param string $redirect Optional. URL to redirect to. * @param bool $network_wide Optional. Whether to enable the plugin for all sites in the network * or just the current site. Multisite only. Default false. * @param bool $silent Optional. Whether to prevent calling activation hooks. Default false. * @return null|WP_Error Null on success, WP_Error on invalid file. */ function activate_plugin( $plugin, $redirect = '', $network_wide = false, $silent = false ) { $plugin = plugin_basename( trim( $plugin ) ); if ( is_multisite() && ( $network_wide || is_network_only_plugin( $plugin ) ) ) { $network_wide = true; $current = get_site_option( 'active_sitewide_plugins', array() ); $_GET['networkwide'] = 1; // Back compat for plugins looking for this value. } else { $current = get_option( 'active_plugins', array() ); } $valid = validate_plugin( $plugin ); if ( is_wp_error( $valid ) ) { return $valid; } $requirements = validate_plugin_requirements( $plugin ); if ( is_wp_error( $requirements ) ) { return $requirements; } if ( $network_wide && ! isset( $current[ $plugin ] ) || ! $network_wide && ! in_array( $plugin, $current, true ) ) { if ( ! empty( $redirect ) ) { // We'll override this later if the plugin can be included without fatal error. wp_redirect( add_query_arg( '_error_nonce', wp_create_nonce( 'plugin-activation-error_' . $plugin ), $redirect ) ); } ob_start(); // Load the plugin to test whether it throws any errors. plugin_sandbox_scrape( $plugin ); if ( ! $silent ) { /** * Fires before a plugin is activated. * * If a plugin is silently activated (such as during an update), * this hook does not fire. * * @since 2.9.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @param bool $network_wide Whether to enable the plugin for all sites in the network * or just the current site. Multisite only. Default false. */ do_action( 'activate_plugin', $plugin, $network_wide ); /** * Fires as a specific plugin is being activated. * * This hook is the "activation" hook used internally by register_activation_hook(). * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename. * * If a plugin is silently activated (such as during an update), this hook does not fire. * * @since 2.0.0 * * @param bool $network_wide Whether to enable the plugin for all sites in the network * or just the current site. Multisite only. Default false. */ do_action( "activate_{$plugin}", $network_wide ); } if ( $network_wide ) { $current = get_site_option( 'active_sitewide_plugins', array() ); $current[ $plugin ] = time(); update_site_option( 'active_sitewide_plugins', $current ); } else { $current = get_option( 'active_plugins', array() ); $current[] = $plugin; sort( $current ); update_option( 'active_plugins', $current ); } if ( ! $silent ) { /** * Fires after a plugin has been activated. * * If a plugin is silently activated (such as during an update), * this hook does not fire. * * @since 2.9.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @param bool $network_wide Whether to enable the plugin for all sites in the network * or just the current site. Multisite only. Default false. */ do_action( 'activated_plugin', $plugin, $network_wide ); } if ( ob_get_length() > 0 ) { $output = ob_get_clean(); return new WP_Error( 'unexpected_output', __( 'The plugin generated unexpected output.' ), $output ); } ob_end_clean(); } return null; } /** * Deactivates a single plugin or multiple plugins. * * The deactivation hook is disabled by the plugin upgrader by using the $silent * parameter. * * @since 2.5.0 * * @param string|string[] $plugins Single plugin or list of plugins to deactivate. * @param bool $silent Prevent calling deactivation hooks. Default false. * @param bool|null $network_wide Whether to deactivate the plugin for all sites in the network. * A value of null will deactivate plugins for both the network * and the current site. Multisite only. Default null. */ function deactivate_plugins( $plugins, $silent = false, $network_wide = null ) { if ( is_multisite() ) { $network_current = get_site_option( 'active_sitewide_plugins', array() ); } $current = get_option( 'active_plugins', array() ); $do_blog = false; $do_network = false; foreach ( (array) $plugins as $plugin ) { $plugin = plugin_basename( trim( $plugin ) ); if ( ! is_plugin_active( $plugin ) ) { continue; } $network_deactivating = ( false !== $network_wide ) && is_plugin_active_for_network( $plugin ); if ( ! $silent ) { /** * Fires before a plugin is deactivated. * * If a plugin is silently deactivated (such as during an update), * this hook does not fire. * * @since 2.9.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network * or just the current site. Multisite only. Default false. */ do_action( 'deactivate_plugin', $plugin, $network_deactivating ); } if ( false !== $network_wide ) { if ( is_plugin_active_for_network( $plugin ) ) { $do_network = true; unset( $network_current[ $plugin ] ); } elseif ( $network_wide ) { continue; } } if ( true !== $network_wide ) { $key = array_search( $plugin, $current, true ); if ( false !== $key ) { $do_blog = true; unset( $current[ $key ] ); } } if ( $do_blog && wp_is_recovery_mode() ) { list( $extension ) = explode( '/', $plugin ); wp_paused_plugins()->delete( $extension ); } if ( ! $silent ) { /** * Fires as a specific plugin is being deactivated. * * This hook is the "deactivation" hook used internally by register_deactivation_hook(). * The dynamic portion of the hook name, `$plugin`, refers to the plugin basename. * * If a plugin is silently deactivated (such as during an update), this hook does not fire. * * @since 2.0.0 * * @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network * or just the current site. Multisite only. Default false. */ do_action( "deactivate_{$plugin}", $network_deactivating ); /** * Fires after a plugin is deactivated. * * If a plugin is silently deactivated (such as during an update), * this hook does not fire. * * @since 2.9.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network * or just the current site. Multisite only. Default false. */ do_action( 'deactivated_plugin', $plugin, $network_deactivating ); } } if ( $do_blog ) { update_option( 'active_plugins', $current ); } if ( $do_network ) { update_site_option( 'active_sitewide_plugins', $network_current ); } } /** * Activates multiple plugins. * * When WP_Error is returned, it does not mean that one of the plugins had * errors. It means that one or more of the plugin file paths were invalid. * * The execution will be halted as soon as one of the plugins has an error. * * @since 2.6.0 * * @param string|string[] $plugins Single plugin or list of plugins to activate. * @param string $redirect Redirect to page after successful activation. * @param bool $network_wide Whether to enable the plugin for all sites in the network. * Default false. * @param bool $silent Prevent calling activation hooks. Default false. * @return true|WP_Error True when finished or WP_Error if there were errors during a plugin activation. */ function activate_plugins( $plugins, $redirect = '', $network_wide = false, $silent = false ) { if ( ! is_array( $plugins ) ) { $plugins = array( $plugins ); } $errors = array(); foreach ( $plugins as $plugin ) { if ( ! empty( $redirect ) ) { $redirect = add_query_arg( 'plugin', $plugin, $redirect ); } $result = activate_plugin( $plugin, $redirect, $network_wide, $silent ); if ( is_wp_error( $result ) ) { $errors[ $plugin ] = $result; } } if ( ! empty( $errors ) ) { return new WP_Error( 'plugins_invalid', __( 'One of the plugins is invalid.' ), $errors ); } return true; } /** * Removes directory and files of a plugin for a list of plugins. * * @since 2.6.0 * * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass. * * @param string[] $plugins List of plugin paths to delete, relative to the plugins directory. * @param string $deprecated Not used. * @return bool|null|WP_Error True on success, false if `$plugins` is empty, `WP_Error` on failure. * `null` if filesystem credentials are required to proceed. */ function delete_plugins( $plugins, $deprecated = '' ) { global $wp_filesystem; if ( empty( $plugins ) ) { return false; } $checked = array(); foreach ( $plugins as $plugin ) { $checked[] = 'checked[]=' . $plugin; } $url = wp_nonce_url( 'plugins.php?action=delete-selected&verify-delete=1&' . implode( '&', $checked ), 'bulk-plugins' ); ob_start(); $credentials = request_filesystem_credentials( $url ); $data = ob_get_clean(); if ( false === $credentials ) { if ( ! empty( $data ) ) { require_once ABSPATH . 'wp-admin/admin-header.php'; echo $data; require_once ABSPATH . 'wp-admin/admin-footer.php'; exit; } return; } if ( ! WP_Filesystem( $credentials ) ) { ob_start(); // Failed to connect. Error and request again. request_filesystem_credentials( $url, '', true ); $data = ob_get_clean(); if ( ! empty( $data ) ) { require_once ABSPATH . 'wp-admin/admin-header.php'; echo $data; require_once ABSPATH . 'wp-admin/admin-footer.php'; exit; } return; } if ( ! is_object( $wp_filesystem ) ) { return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) ); } if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) { return new WP_Error( 'fs_error', __( 'Filesystem error.' ), $wp_filesystem->errors ); } // Get the base plugin folder. $plugins_dir = $wp_filesystem->wp_plugins_dir(); if ( empty( $plugins_dir ) ) { return new WP_Error( 'fs_no_plugins_dir', __( 'Unable to locate WordPress plugin directory.' ) ); } $plugins_dir = trailingslashit( $plugins_dir ); $plugin_translations = wp_get_installed_translations( 'plugins' ); $errors = array(); foreach ( $plugins as $plugin_file ) { // Run Uninstall hook. if ( is_uninstallable_plugin( $plugin_file ) ) { uninstall_plugin( $plugin_file ); } /** * Fires immediately before a plugin deletion attempt. * * @since 4.4.0 * * @param string $plugin_file Path to the plugin file relative to the plugins directory. */ do_action( 'delete_plugin', $plugin_file ); $this_plugin_dir = trailingslashit( dirname( $plugins_dir . $plugin_file ) ); /* * If plugin is in its own directory, recursively delete the directory. * Base check on if plugin includes directory separator AND that it's not the root plugin folder. */ if ( strpos( $plugin_file, '/' ) && $this_plugin_dir !== $plugins_dir ) { $deleted = $wp_filesystem->delete( $this_plugin_dir, true ); } else { $deleted = $wp_filesystem->delete( $plugins_dir . $plugin_file ); } /** * Fires immediately after a plugin deletion attempt. * * @since 4.4.0 * * @param string $plugin_file Path to the plugin file relative to the plugins directory. * @param bool $deleted Whether the plugin deletion was successful. */ do_action( 'deleted_plugin', $plugin_file, $deleted ); if ( ! $deleted ) { $errors[] = $plugin_file; continue; } $plugin_slug = dirname( $plugin_file ); if ( 'hello.php' === $plugin_file ) { $plugin_slug = 'hello-dolly'; } // Remove language files, silently. if ( '.' !== $plugin_slug && ! empty( $plugin_translations[ $plugin_slug ] ) ) { $translations = $plugin_translations[ $plugin_slug ]; foreach ( $translations as $translation => $data ) { $wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.po' ); $wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.mo' ); $wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.l10n.php' ); $json_translation_files = glob( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '-*.json' ); if ( $json_translation_files ) { array_map( array( $wp_filesystem, 'delete' ), $json_translation_files ); } } } } // Remove deleted plugins from the plugin updates list. $current = get_site_transient( 'update_plugins' ); if ( $current ) { // Don't remove the plugins that weren't deleted. $deleted = array_diff( $plugins, $errors ); foreach ( $deleted as $plugin_file ) { unset( $current->response[ $plugin_file ] ); } set_site_transient( 'update_plugins', $current ); } if ( ! empty( $errors ) ) { if ( 1 === count( $errors ) ) { /* translators: %s: Plugin filename. */ $message = __( 'Could not fully remove the plugin %s.' ); } else { /* translators: %s: Comma-separated list of plugin filenames. */ $message = __( 'Could not fully remove the plugins %s.' ); } return new WP_Error( 'could_not_remove_plugin', sprintf( $message, implode( ', ', $errors ) ) ); } return true; } /** * Validates active plugins. * * Validate all active plugins, deactivates invalid and * returns an array of deactivated ones. * * @since 2.5.0 * @return WP_Error[] Array of plugin errors keyed by plugin file name. */ function validate_active_plugins() { $plugins = get_option( 'active_plugins', array() ); // Validate vartype: array. if ( ! is_array( $plugins ) ) { update_option( 'active_plugins', array() ); $plugins = array(); } if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) { $network_plugins = (array) get_site_option( 'active_sitewide_plugins', array() ); $plugins = array_merge( $plugins, array_keys( $network_plugins ) ); } if ( empty( $plugins ) ) { return array(); } $invalid = array(); // Invalid plugins get deactivated. foreach ( $plugins as $plugin ) { $result = validate_plugin( $plugin ); if ( is_wp_error( $result ) ) { $invalid[ $plugin ] = $result; deactivate_plugins( $plugin, true ); } } return $invalid; } /** * Validates the plugin path. * * Checks that the main plugin file exists and is a valid plugin. See validate_file(). * * @since 2.5.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return int|WP_Error 0 on success, WP_Error on failure. */ function validate_plugin( $plugin ) { if ( validate_file( $plugin ) ) { return new WP_Error( 'plugin_invalid', __( 'Invalid plugin path.' ) ); } if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) { return new WP_Error( 'plugin_not_found', __( 'Plugin file does not exist.' ) ); } $installed_plugins = get_plugins(); if ( ! isset( $installed_plugins[ $plugin ] ) ) { return new WP_Error( 'no_plugin_header', __( 'The plugin does not have a valid header.' ) ); } return 0; } /** * Validates the plugin requirements for WordPress version and PHP version. * * Uses the information from `Requires at least`, `Requires PHP` and `Requires Plugins` headers * defined in the plugin's main PHP file. * * @since 5.2.0 * @since 5.3.0 Added support for reading the headers from the plugin's * main PHP file, with `readme.txt` as a fallback. * @since 5.8.0 Removed support for using `readme.txt` as a fallback. * @since 6.5.0 Added support for the 'Requires Plugins' header. * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return true|WP_Error True if requirements are met, WP_Error on failure. */ function validate_plugin_requirements( $plugin ) { $plugin_headers = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin ); $requirements = array( 'requires' => ! empty( $plugin_headers['RequiresWP'] ) ? $plugin_headers['RequiresWP'] : '', 'requires_php' => ! empty( $plugin_headers['RequiresPHP'] ) ? $plugin_headers['RequiresPHP'] : '', 'requires_plugins' => ! empty( $plugin_headers['RequiresPlugins'] ) ? $plugin_headers['RequiresPlugins'] : '', ); $compatible_wp = is_wp_version_compatible( $requirements['requires'] ); $compatible_php = is_php_version_compatible( $requirements['requires_php'] ); $php_update_message = '</p><p>' . sprintf( /* translators: %s: URL to Update PHP page. */ __( '<a href="%s">Learn more about updating PHP</a>.' ), esc_url( wp_get_update_php_url() ) ); $annotation = wp_get_update_php_annotation(); if ( $annotation ) { $php_update_message .= '</p><p><em>' . $annotation . '</em>'; } if ( ! $compatible_wp && ! $compatible_php ) { return new WP_Error( 'plugin_wp_php_incompatible', '<p>' . sprintf( /* translators: 1: Current WordPress version, 2: Current PHP version, 3: Plugin name, 4: Required WordPress version, 5: Required PHP version. */ _x( '<strong>Error:</strong> Current versions of WordPress (%1$s) and PHP (%2$s) do not meet minimum requirements for %3$s. The plugin requires WordPress %4$s and PHP %5$s.', 'plugin' ), get_bloginfo( 'version' ), PHP_VERSION, $plugin_headers['Name'], $requirements['requires'], $requirements['requires_php'] ) . $php_update_message . '</p>' ); } elseif ( ! $compatible_php ) { return new WP_Error( 'plugin_php_incompatible', '<p>' . sprintf( /* translators: 1: Current PHP version, 2: Plugin name, 3: Required PHP version. */ _x( '<strong>Error:</strong> Current PHP version (%1$s) does not meet minimum requirements for %2$s. The plugin requires PHP %3$s.', 'plugin' ), PHP_VERSION, $plugin_headers['Name'], $requirements['requires_php'] ) . $php_update_message . '</p>' ); } elseif ( ! $compatible_wp ) { return new WP_Error( 'plugin_wp_incompatible', '<p>' . sprintf( /* translators: 1: Current WordPress version, 2: Plugin name, 3: Required WordPress version. */ _x( '<strong>Error:</strong> Current WordPress version (%1$s) does not meet minimum requirements for %2$s. The plugin requires WordPress %3$s.', 'plugin' ), get_bloginfo( 'version' ), $plugin_headers['Name'], $requirements['requires'] ) . '</p>' ); } WP_Plugin_Dependencies::initialize(); if ( WP_Plugin_Dependencies::has_unmet_dependencies( $plugin ) ) { $dependency_names = WP_Plugin_Dependencies::get_dependency_names( $plugin ); $unmet_dependencies = array(); $unmet_dependency_names = array(); foreach ( $dependency_names as $dependency => $dependency_name ) { $dependency_file = WP_Plugin_Dependencies::get_dependency_filepath( $dependency ); if ( false === $dependency_file ) { $unmet_dependencies['not_installed'][ $dependency ] = $dependency_name; $unmet_dependency_names[] = $dependency_name; } elseif ( is_plugin_inactive( $dependency_file ) ) { $unmet_dependencies['inactive'][ $dependency ] = $dependency_name; $unmet_dependency_names[] = $dependency_name; } } $error_message = sprintf( /* translators: 1: Plugin name, 2: Number of plugins, 3: A comma-separated list of plugin names. */ _n( '<strong>Error:</strong> %1$s requires %2$d plugin to be installed and activated: %3$s.', '<strong>Error:</strong> %1$s requires %2$d plugins to be installed and activated: %3$s.', count( $unmet_dependency_names ) ), $plugin_headers['Name'], count( $unmet_dependency_names ), implode( wp_get_list_item_separator(), $unmet_dependency_names ) ); if ( is_multisite() ) { if ( current_user_can( 'manage_network_plugins' ) ) { $error_message .= ' ' . sprintf( /* translators: %s: Link to the plugins page. */ __( '<a href="%s">Manage plugins</a>.' ), esc_url( network_admin_url( 'plugins.php' ) ) ); } else { $error_message .= ' ' . __( 'Please contact your network administrator.' ); } } else { $error_message .= ' ' . sprintf( /* translators: %s: Link to the plugins page. */ __( '<a href="%s">Manage plugins</a>.' ), esc_url( admin_url( 'plugins.php' ) ) ); } return new WP_Error( 'plugin_missing_dependencies', "<p>{$error_message}</p>", $unmet_dependencies ); } return true; } /** * Determines whether the plugin can be uninstalled. * * @since 2.7.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return bool Whether plugin can be uninstalled. */ function is_uninstallable_plugin( $plugin ) { $file = plugin_basename( $plugin ); $uninstallable_plugins = (array) get_option( 'uninstall_plugins' ); if ( isset( $uninstallable_plugins[ $file ] ) || file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) { return true; } return false; } /** * Uninstalls a single plugin. * * Calls the uninstall hook, if it is available. * * @since 2.7.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return true|void True if a plugin's uninstall.php file has been found and included. * Void otherwise. */ function uninstall_plugin( $plugin ) { $file = plugin_basename( $plugin ); $uninstallable_plugins = (array) get_option( 'uninstall_plugins' ); /** * Fires in uninstall_plugin() immediately before the plugin is uninstalled. * * @since 4.5.0 * * @param string $plugin Path to the plugin file relative to the plugins directory. * @param array $uninstallable_plugins Uninstallable plugins. */ do_action( 'pre_uninstall_plugin', $plugin, $uninstallable_plugins ); if ( file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) { if ( isset( $uninstallable_plugins[ $file ] ) ) { unset( $uninstallable_plugins[ $file ] ); update_option( 'uninstall_plugins', $uninstallable_plugins ); } unset( $uninstallable_plugins ); define( 'WP_UNINSTALL_PLUGIN', $file ); wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file ); include_once WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php'; return true; } if ( isset( $uninstallable_plugins[ $file ] ) ) { $callable = $uninstallable_plugins[ $file ]; unset( $uninstallable_plugins[ $file ] ); update_option( 'uninstall_plugins', $uninstallable_plugins ); unset( $uninstallable_plugins ); wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file ); include_once WP_PLUGIN_DIR . '/' . $file; add_action( "uninstall_{$file}", $callable ); /** * Fires in uninstall_plugin() once the plugin has been uninstalled. * * The action concatenates the 'uninstall_' prefix with the basename of the * plugin passed to uninstall_plugin() to create a dynamically-named action. * * @since 2.7.0 */ do_action( "uninstall_{$file}" ); } } // // Menu. // /** * Adds a top-level menu page. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 1.5.0 * * @global array $menu * @global array $admin_page_hooks * @global array $_registered_pages * @global array $_parent_pages * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by. Should be unique for this menu page and only * include lowercase alphanumeric, dashes, and underscores characters to be compatible * with sanitize_key(). * @param callable $callback Optional. The function to be called to output the content for this page. * @param string $icon_url Optional. The URL to the icon to be used for this menu. * * Pass a base64-encoded SVG using a data URI, which will be colored to match * the color scheme. This should begin with 'data:image/svg+xml;base64,'. * * Pass the name of a Dashicons helper class to use a font icon, * e.g. 'dashicons-chart-pie'. * * Pass 'none' to leave div.wp-menu-image empty so an icon can be added via CSS. * @param int|float $position Optional. The position in the menu order this item should appear. * @return string The resulting page's hook_suffix. */ function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $icon_url = '', $position = null ) { global $menu, $admin_page_hooks, $_registered_pages, $_parent_pages; $menu_slug = plugin_basename( $menu_slug ); $admin_page_hooks[ $menu_slug ] = sanitize_title( $menu_title ); $hookname = get_plugin_page_hookname( $menu_slug, '' ); if ( ! empty( $callback ) && ! empty( $hookname ) && current_user_can( $capability ) ) { add_action( $hookname, $callback ); } if ( empty( $icon_url ) ) { $icon_url = 'dashicons-admin-generic'; $icon_class = 'menu-icon-generic '; } else { $icon_url = set_url_scheme( $icon_url ); $icon_class = ''; } $new_menu = array( $menu_title, $capability, $menu_slug, $page_title, 'menu-top ' . $icon_class . $hookname, $hookname, $icon_url ); if ( null !== $position && ! is_numeric( $position ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: %s: add_menu_page() */ __( 'The seventh parameter passed to %s should be numeric representing menu position.' ), '<code>add_menu_page()</code>' ), '6.0.0' ); $position = null; } if ( null === $position || ! is_numeric( $position ) ) { $menu[] = $new_menu; } elseif ( isset( $menu[ (string) $position ] ) ) { $collision_avoider = base_convert( substr( md5( $menu_slug . $menu_title ), -4 ), 16, 10 ) * 0.00001; $position = (string) ( $position + $collision_avoider ); $menu[ $position ] = $new_menu; } else { /* * Cast menu position to a string. * * This allows for floats to be passed as the position. PHP will normally cast a float to an * integer value, this ensures the float retains its mantissa (positive fractional part). * * A string containing an integer value, eg "10", is treated as a numeric index. */ $position = (string) $position; $menu[ $position ] = $new_menu; } $_registered_pages[ $hookname ] = true; // No parent as top level. $_parent_pages[ $menu_slug ] = false; return $hookname; } /** * Adds a submenu page. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 1.5.0 * @since 5.3.0 Added the `$position` parameter. * * @global array $submenu * @global array $menu * @global array $_wp_real_parent_file * @global bool $_wp_submenu_nopriv * @global array $_registered_pages * @global array $_parent_pages * * @param string $parent_slug The slug name for the parent menu (or the file name of a standard * WordPress admin page). * @param string $page_title The text to be displayed in the title tags of the page when the menu * is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by. Should be unique for this menu * and only include lowercase alphanumeric, dashes, and underscores characters * to be compatible with sanitize_key(). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int|float $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { global $submenu, $menu, $_wp_real_parent_file, $_wp_submenu_nopriv, $_registered_pages, $_parent_pages; $menu_slug = plugin_basename( $menu_slug ); $parent_slug = plugin_basename( $parent_slug ); if ( isset( $_wp_real_parent_file[ $parent_slug ] ) ) { $parent_slug = $_wp_real_parent_file[ $parent_slug ]; } if ( ! current_user_can( $capability ) ) { $_wp_submenu_nopriv[ $parent_slug ][ $menu_slug ] = true; return false; } /* * If the parent doesn't already have a submenu, add a link to the parent * as the first item in the submenu. If the submenu file is the same as the * parent file someone is trying to link back to the parent manually. In * this case, don't automatically add a link back to avoid duplication. */ if ( ! isset( $submenu[ $parent_slug ] ) && $menu_slug !== $parent_slug ) { foreach ( (array) $menu as $parent_menu ) { if ( $parent_menu[2] === $parent_slug && current_user_can( $parent_menu[1] ) ) { $submenu[ $parent_slug ][] = array_slice( $parent_menu, 0, 4 ); } } } $new_sub_menu = array( $menu_title, $capability, $menu_slug, $page_title ); if ( null !== $position && ! is_numeric( $position ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: %s: add_submenu_page() */ __( 'The seventh parameter passed to %s should be numeric representing menu position.' ), '<code>add_submenu_page()</code>' ), '5.3.0' ); $position = null; } if ( null === $position || ( ! isset( $submenu[ $parent_slug ] ) || $position >= count( $submenu[ $parent_slug ] ) ) ) { $submenu[ $parent_slug ][] = $new_sub_menu; } else { // Test for a negative position. $position = max( $position, 0 ); if ( 0 === $position ) { // For negative or `0` positions, prepend the submenu. array_unshift( $submenu[ $parent_slug ], $new_sub_menu ); } else { $position = absint( $position ); // Grab all of the items before the insertion point. $before_items = array_slice( $submenu[ $parent_slug ], 0, $position, true ); // Grab all of the items after the insertion point. $after_items = array_slice( $submenu[ $parent_slug ], $position, null, true ); // Add the new item. $before_items[] = $new_sub_menu; // Merge the items. $submenu[ $parent_slug ] = array_merge( $before_items, $after_items ); } } // Sort the parent array. ksort( $submenu[ $parent_slug ] ); $hookname = get_plugin_page_hookname( $menu_slug, $parent_slug ); if ( ! empty( $callback ) && ! empty( $hookname ) ) { add_action( $hookname, $callback ); } $_registered_pages[ $hookname ] = true; /* * Backward-compatibility for plugins using add_management_page(). * See wp-admin/admin.php for redirect from edit.php to tools.php. */ if ( 'tools.php' === $parent_slug ) { $_registered_pages[ get_plugin_page_hookname( $menu_slug, 'edit.php' ) ] = true; } // No parent as top level. $_parent_pages[ $menu_slug ] = $parent_slug; return $hookname; } /** * Adds a submenu page to the Tools main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 1.5.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_management_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'tools.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Settings main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 1.5.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_options_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'options-general.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Appearance main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 2.0.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_theme_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'themes.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Plugins main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 3.0.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_plugins_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'plugins.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Users/Profile main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 2.1.3 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_users_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { if ( current_user_can( 'edit_users' ) ) { $parent = 'users.php'; } else { $parent = 'profile.php'; } return add_submenu_page( $parent, $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Dashboard main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 2.7.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_dashboard_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'index.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Posts main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 2.7.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_posts_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'edit.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Media main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 2.7.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_media_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'upload.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Links main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 2.7.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_links_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'link-manager.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Pages main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 2.7.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_pages_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'edit.php?post_type=page', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Adds a submenu page to the Comments main menu. * * This function takes a capability which will be used to determine whether * or not a page is included in the menu. * * The function which is hooked in to handle the output of the page must check * that the user has the required capability as well. * * @since 2.7.0 * @since 5.3.0 Added the `$position` parameter. * * @param string $page_title The text to be displayed in the title tags of the page when the menu is selected. * @param string $menu_title The text to be used for the menu. * @param string $capability The capability required for this menu to be displayed to the user. * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param callable $callback Optional. The function to be called to output the content for this page. * @param int $position Optional. The position in the menu order this item should appear. * @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required. */ function add_comments_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) { return add_submenu_page( 'edit-comments.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position ); } /** * Removes a top-level admin menu. * * Example usage: * * - `remove_menu_page( 'tools.php' )` * - `remove_menu_page( 'plugin_menu_slug' )` * * @since 3.1.0 * * @global array $menu * * @param string $menu_slug The slug of the menu. * @return array|false The removed menu on success, false if not found. */ function remove_menu_page( $menu_slug ) { global $menu; foreach ( $menu as $i => $item ) { if ( $menu_slug === $item[2] ) { unset( $menu[ $i ] ); return $item; } } return false; } /** * Removes an admin submenu. * * Example usage: * * - `remove_submenu_page( 'themes.php', 'nav-menus.php' )` * - `remove_submenu_page( 'tools.php', 'plugin_submenu_slug' )` * - `remove_submenu_page( 'plugin_menu_slug', 'plugin_submenu_slug' )` * * @since 3.1.0 * * @global array $submenu * * @param string $menu_slug The slug for the parent menu. * @param string $submenu_slug The slug of the submenu. * @return array|false The removed submenu on success, false if not found. */ function remove_submenu_page( $menu_slug, $submenu_slug ) { global $submenu; if ( ! isset( $submenu[ $menu_slug ] ) ) { return false; } foreach ( $submenu[ $menu_slug ] as $i => $item ) { if ( $submenu_slug === $item[2] ) { unset( $submenu[ $menu_slug ][ $i ] ); return $item; } } return false; } /** * Gets the URL to access a particular menu page based on the slug it was registered with. * * If the slug hasn't been registered properly, no URL will be returned. * * @since 3.0.0 * * @global array $_parent_pages * * @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu). * @param bool $display Optional. Whether or not to display the URL. Default true. * @return string The menu page URL. */ function menu_page_url( $menu_slug, $display = true ) { global $_parent_pages; if ( isset( $_parent_pages[ $menu_slug ] ) ) { $parent_slug = $_parent_pages[ $menu_slug ]; if ( $parent_slug && ! isset( $_parent_pages[ $parent_slug ] ) ) { $url = admin_url( add_query_arg( 'page', $menu_slug, $parent_slug ) ); } else { $url = admin_url( 'admin.php?page=' . $menu_slug ); } } else { $url = ''; } $url = esc_url( $url ); if ( $display ) { echo $url; } return $url; } // // Pluggable Menu Support -- Private. // /** * Gets the parent file of the current admin page. * * @since 1.5.0 * * @global string $parent_file * @global array $menu * @global array $submenu * @global string $pagenow The filename of the current screen. * @global string $typenow The post type of the current screen. * @global string $plugin_page * @global array $_wp_real_parent_file * @global array $_wp_menu_nopriv * @global array $_wp_submenu_nopriv * * @param string $parent_page Optional. The slug name for the parent menu (or the file name * of a standard WordPress admin page). Default empty string. * @return string The parent file of the current admin page. */ function get_admin_page_parent( $parent_page = '' ) { global $parent_file, $menu, $submenu, $pagenow, $typenow, $plugin_page, $_wp_real_parent_file, $_wp_menu_nopriv, $_wp_submenu_nopriv; if ( ! empty( $parent_page ) && 'admin.php' !== $parent_page ) { if ( isset( $_wp_real_parent_file[ $parent_page ] ) ) { $parent_page = $_wp_real_parent_file[ $parent_page ]; } return $parent_page; } if ( 'admin.php' === $pagenow && isset( $plugin_page ) ) { foreach ( (array) $menu as $parent_menu ) { if ( $parent_menu[2] === $plugin_page ) { $parent_file = $plugin_page; if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) { $parent_file = $_wp_real_parent_file[ $parent_file ]; } return $parent_file; } } if ( isset( $_wp_menu_nopriv[ $plugin_page ] ) ) { $parent_file = $plugin_page; if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) { $parent_file = $_wp_real_parent_file[ $parent_file ]; } return $parent_file; } } if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) { $parent_file = $pagenow; if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) { $parent_file = $_wp_real_parent_file[ $parent_file ]; } return $parent_file; } foreach ( array_keys( (array) $submenu ) as $parent_page ) { foreach ( $submenu[ $parent_page ] as $submenu_array ) { if ( isset( $_wp_real_parent_file[ $parent_page ] ) ) { $parent_page = $_wp_real_parent_file[ $parent_page ]; } if ( ! empty( $typenow ) && "$pagenow?post_type=$typenow" === $submenu_array[2] ) { $parent_file = $parent_page; return $parent_page; } elseif ( empty( $typenow ) && $pagenow === $submenu_array[2] && ( empty( $parent_file ) || ! str_contains( $parent_file, '?' ) ) ) { $parent_file = $parent_page; return $parent_page; } elseif ( isset( $plugin_page ) && $plugin_page === $submenu_array[2] ) { $parent_file = $parent_page; return $parent_page; } } } if ( empty( $parent_file ) ) { $parent_file = ''; } return ''; } /** * Gets the title of the current admin page. * * @since 1.5.0 * * @global string $title The title of the current screen. * @global array $menu * @global array $submenu * @global string $pagenow The filename of the current screen. * @global string $typenow The post type of the current screen. * @global string $plugin_page * * @return string The title of the current admin page. */ function get_admin_page_title() { global $title, $menu, $submenu, $pagenow, $typenow, $plugin_page; if ( ! empty( $title ) ) { return $title; } $hook = get_plugin_page_hook( $plugin_page, $pagenow ); $parent = get_admin_page_parent(); $parent1 = $parent; if ( empty( $parent ) ) { foreach ( (array) $menu as $menu_array ) { if ( isset( $menu_array[3] ) ) { if ( $menu_array[2] === $pagenow ) { $title = $menu_array[3]; return $menu_array[3]; } elseif ( isset( $plugin_page ) && $plugin_page === $menu_array[2] && $hook === $menu_array[5] ) { $title = $menu_array[3]; return $menu_array[3]; } } else { $title = $menu_array[0]; return $title; } } } else { foreach ( array_keys( $submenu ) as $parent ) { foreach ( $submenu[ $parent ] as $submenu_array ) { if ( isset( $plugin_page ) && $plugin_page === $submenu_array[2] && ( $pagenow === $parent || $plugin_page === $parent || $plugin_page === $hook || 'admin.php' === $pagenow && $parent1 !== $submenu_array[2] || ! empty( $typenow ) && "$pagenow?post_type=$typenow" === $parent ) ) { $title = $submenu_array[3]; return $submenu_array[3]; } if ( $submenu_array[2] !== $pagenow || isset( $_GET['page'] ) ) { // Not the current page. continue; } if ( isset( $submenu_array[3] ) ) { $title = $submenu_array[3]; return $submenu_array[3]; } else { $title = $submenu_array[0]; return $title; } } } if ( empty( $title ) ) { foreach ( $menu as $menu_array ) { if ( isset( $plugin_page ) && $plugin_page === $menu_array[2] && 'admin.php' === $pagenow && $parent1 === $menu_array[2] ) { $title = $menu_array[3]; return $menu_array[3]; } } } } return $title; } /** * Gets the hook attached to the administrative page of a plugin. * * @since 1.5.0 * * @param string $plugin_page The slug name of the plugin page. * @param string $parent_page The slug name for the parent menu (or the file name of a standard * WordPress admin page). * @return string|null Hook attached to the plugin page, null otherwise. */ function get_plugin_page_hook( $plugin_page, $parent_page ) { $hook = get_plugin_page_hookname( $plugin_page, $parent_page ); if ( has_action( $hook ) ) { return $hook; } else { return null; } } /** * Gets the hook name for the administrative page of a plugin. * * @since 1.5.0 * * @global array $admin_page_hooks * * @param string $plugin_page The slug name of the plugin page. * @param string $parent_page The slug name for the parent menu (or the file name of a standard * WordPress admin page). * @return string Hook name for the plugin page. */ function get_plugin_page_hookname( $plugin_page, $parent_page ) { global $admin_page_hooks; $parent = get_admin_page_parent( $parent_page ); $page_type = 'admin'; if ( empty( $parent_page ) || 'admin.php' === $parent_page || isset( $admin_page_hooks[ $plugin_page ] ) ) { if ( isset( $admin_page_hooks[ $plugin_page ] ) ) { $page_type = 'toplevel'; } elseif ( isset( $admin_page_hooks[ $parent ] ) ) { $page_type = $admin_page_hooks[ $parent ]; } } elseif ( isset( $admin_page_hooks[ $parent ] ) ) { $page_type = $admin_page_hooks[ $parent ]; } $plugin_name = preg_replace( '!\.php!', '', $plugin_page ); return $page_type . '_page_' . $plugin_name; } /** * Determines whether the current user can access the current admin page. * * @since 1.5.0 * * @global string $pagenow The filename of the current screen. * @global array $menu * @global array $submenu * @global array $_wp_menu_nopriv * @global array $_wp_submenu_nopriv * @global string $plugin_page * @global array $_registered_pages * * @return bool True if the current user can access the admin page, false otherwise. */ function user_can_access_admin_page() { global $pagenow, $menu, $submenu, $_wp_menu_nopriv, $_wp_submenu_nopriv, $plugin_page, $_registered_pages; $parent = get_admin_page_parent(); if ( ! isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $parent ][ $pagenow ] ) ) { return false; } if ( isset( $plugin_page ) ) { if ( isset( $_wp_submenu_nopriv[ $parent ][ $plugin_page ] ) ) { return false; } $hookname = get_plugin_page_hookname( $plugin_page, $parent ); if ( ! isset( $_registered_pages[ $hookname ] ) ) { return false; } } if ( empty( $parent ) ) { if ( isset( $_wp_menu_nopriv[ $pagenow ] ) ) { return false; } if ( isset( $_wp_submenu_nopriv[ $pagenow ][ $pagenow ] ) ) { return false; } if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) { return false; } if ( isset( $plugin_page ) && isset( $_wp_menu_nopriv[ $plugin_page ] ) ) { return false; } foreach ( array_keys( $_wp_submenu_nopriv ) as $key ) { if ( isset( $_wp_submenu_nopriv[ $key ][ $pagenow ] ) ) { return false; } if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $key ][ $plugin_page ] ) ) { return false; } } return true; } if ( isset( $plugin_page ) && $plugin_page === $parent && isset( $_wp_menu_nopriv[ $plugin_page ] ) ) { return false; } if ( isset( $submenu[ $parent ] ) ) { foreach ( $submenu[ $parent ] as $submenu_array ) { if ( isset( $plugin_page ) && $submenu_array[2] === $plugin_page ) { return current_user_can( $submenu_array[1] ); } elseif ( $submenu_array[2] === $pagenow ) { return current_user_can( $submenu_array[1] ); } } } foreach ( $menu as $menu_array ) { if ( $menu_array[2] === $parent ) { return current_user_can( $menu_array[1] ); } } return true; } /* Allowed list functions */ /** * Refreshes the value of the allowed options list available via the 'allowed_options' hook. * * See the {@see 'allowed_options'} filter. * * @since 2.7.0 * @since 5.5.0 `$new_whitelist_options` was renamed to `$new_allowed_options`. * Please consider writing more inclusive code. * * @global array $new_allowed_options * * @param array $options * @return array */ function option_update_filter( $options ) { global $new_allowed_options; if ( is_array( $new_allowed_options ) ) { $options = add_allowed_options( $new_allowed_options, $options ); } return $options; } /** * Adds an array of options to the list of allowed options. * * @since 5.5.0 * * @global array $allowed_options * * @param array $new_options * @param string|array $options * @return array */ function add_allowed_options( $new_options, $options = '' ) { if ( '' === $options ) { global $allowed_options; } else { $allowed_options = $options; } foreach ( $new_options as $page => $keys ) { foreach ( $keys as $key ) { if ( ! isset( $allowed_options[ $page ] ) || ! is_array( $allowed_options[ $page ] ) ) { $allowed_options[ $page ] = array(); $allowed_options[ $page ][] = $key; } else { $pos = array_search( $key, $allowed_options[ $page ], true ); if ( false === $pos ) { $allowed_options[ $page ][] = $key; } } } } return $allowed_options; } /** * Removes a list of options from the allowed options list. * * @since 5.5.0 * * @global array $allowed_options * * @param array $del_options * @param string|array $options * @return array */ function remove_allowed_options( $del_options, $options = '' ) { if ( '' === $options ) { global $allowed_options; } else { $allowed_options = $options; } foreach ( $del_options as $page => $keys ) { foreach ( $keys as $key ) { if ( isset( $allowed_options[ $page ] ) && is_array( $allowed_options[ $page ] ) ) { $pos = array_search( $key, $allowed_options[ $page ], true ); if ( false !== $pos ) { unset( $allowed_options[ $page ][ $pos ] ); } } } } return $allowed_options; } /** * Outputs nonce, action, and option_page fields for a settings page. * * @since 2.7.0 * * @param string $option_group A settings group name. This should match the group name * used in register_setting(). */ function settings_fields( $option_group ) { echo "<input type='hidden' name='option_page' value='" . esc_attr( $option_group ) . "' />"; echo '<input type="hidden" name="action" value="update" />'; wp_nonce_field( "$option_group-options" ); } /** * Clears the plugins cache used by get_plugins() and by default, the plugin updates cache. * * @since 3.7.0 * * @param bool $clear_update_cache Whether to clear the plugin updates cache. Default true. */ function wp_clean_plugins_cache( $clear_update_cache = true ) { if ( $clear_update_cache ) { delete_site_transient( 'update_plugins' ); } wp_cache_delete( 'plugins', 'plugins' ); } /** * Loads a given plugin attempt to generate errors. * * @since 3.0.0 * @since 4.4.0 Function was moved into the `wp-admin/includes/plugin.php` file. * * @param string $plugin Path to the plugin file relative to the plugins directory. */ function plugin_sandbox_scrape( $plugin ) { if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) { define( 'WP_SANDBOX_SCRAPING', true ); } wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin ); include_once WP_PLUGIN_DIR . '/' . $plugin; } /** * Declares a helper function for adding content to the Privacy Policy Guide. * * Plugins and themes should suggest text for inclusion in the site's privacy policy. * The suggested text should contain information about any functionality that affects user privacy, * and will be shown on the Privacy Policy Guide screen. * * A plugin or theme can use this function multiple times as long as it will help to better present * the suggested policy content. For example modular plugins such as WooCommerse or Jetpack * can add or remove suggested content depending on the modules/extensions that are enabled. * For more information see the Plugin Handbook: * https://developer.wordpress.org/plugins/privacy/suggesting-text-for-the-site-privacy-policy/. * * The HTML contents of the `$policy_text` supports use of a specialized `.privacy-policy-tutorial` * CSS class which can be used to provide supplemental information. Any content contained within * HTML elements that have the `.privacy-policy-tutorial` CSS class applied will be omitted * from the clipboard when the section content is copied. * * Intended for use with the `'admin_init'` action. * * @since 4.9.6 * * @param string $plugin_name The name of the plugin or theme that is suggesting content * for the site's privacy policy. * @param string $policy_text The suggested content for inclusion in the policy. */ function wp_add_privacy_policy_content( $plugin_name, $policy_text ) { if ( ! is_admin() ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: %s: admin_init */ __( 'The suggested privacy policy content should be added only in wp-admin by using the %s (or later) action.' ), '<code>admin_init</code>' ), '4.9.7' ); return; } elseif ( ! doing_action( 'admin_init' ) && ! did_action( 'admin_init' ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: %s: admin_init */ __( 'The suggested privacy policy content should be added by using the %s (or later) action. Please see the inline documentation.' ), '<code>admin_init</code>' ), '4.9.7' ); return; } if ( ! class_exists( 'WP_Privacy_Policy_Content' ) ) { require_once ABSPATH . 'wp-admin/includes/class-wp-privacy-policy-content.php'; } WP_Privacy_Policy_Content::add( $plugin_name, $policy_text ); } /** * Determines whether a plugin is technically active but was paused while * loading. * * 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 5.2.0 * * @global WP_Paused_Extensions_Storage $_paused_plugins * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return bool True, if in the list of paused plugins. False, if not in the list. */ function is_plugin_paused( $plugin ) { if ( ! isset( $GLOBALS['_paused_plugins'] ) ) { return false; } if ( ! is_plugin_active( $plugin ) ) { return false; } list( $plugin ) = explode( '/', $plugin ); return array_key_exists( $plugin, $GLOBALS['_paused_plugins'] ); } /** * Gets the error that was recorded for a paused plugin. * * @since 5.2.0 * * @global WP_Paused_Extensions_Storage $_paused_plugins * * @param string $plugin Path to the plugin file relative to the plugins directory. * @return array|false Array of error information as returned by `error_get_last()`, * or false if none was recorded. */ function wp_get_plugin_error( $plugin ) { if ( ! isset( $GLOBALS['_paused_plugins'] ) ) { return false; } list( $plugin ) = explode( '/', $plugin ); if ( ! array_key_exists( $plugin, $GLOBALS['_paused_plugins'] ) ) { return false; } return $GLOBALS['_paused_plugins'][ $plugin ]; } /** * Tries to resume a single plugin. * * If a redirect was provided, we first ensure the plugin does not throw fatal * errors anymore. * * The way it works is by setting the redirection to the error before trying to * include the plugin file. If the plugin fails, then the redirection will not * be overwritten with the success message and the plugin will not be resumed. * * @since 5.2.0 * * @param string $plugin Single plugin to resume. * @param string $redirect Optional. URL to redirect to. Default empty string. * @return true|WP_Error True on success, false if `$plugin` was not paused, * `WP_Error` on failure. */ function resume_plugin( $plugin, $redirect = '' ) { /* * We'll override this later if the plugin could be resumed without * creating a fatal error. */ if ( ! empty( $redirect ) ) { wp_redirect( add_query_arg( '_error_nonce', wp_create_nonce( 'plugin-resume-error_' . $plugin ), $redirect ) ); // Load the plugin to test whether it throws a fatal error. ob_start(); plugin_sandbox_scrape( $plugin ); ob_clean(); } list( $extension ) = explode( '/', $plugin ); $result = wp_paused_plugins()->delete( $extension ); if ( ! $result ) { return new WP_Error( 'could_not_resume_plugin', __( 'Could not resume the plugin.' ) ); } return true; } /** * Renders an admin notice in case some plugins have been paused due to errors. * * @since 5.2.0 * * @global string $pagenow The filename of the current screen. * @global WP_Paused_Extensions_Storage $_paused_plugins */ function paused_plugins_notice() { if ( 'plugins.php' === $GLOBALS['pagenow'] ) { return; } if ( ! current_user_can( 'resume_plugins' ) ) { return; } if ( ! isset( $GLOBALS['_paused_plugins'] ) || empty( $GLOBALS['_paused_plugins'] ) ) { return; } $message = sprintf( '<strong>%s</strong><br>%s</p><p><a href="%s">%s</a>', __( 'One or more plugins failed to load properly.' ), __( 'You can find more details and make changes on the Plugins screen.' ), esc_url( admin_url( 'plugins.php?plugin_status=paused' ) ), __( 'Go to the Plugins screen' ) ); wp_admin_notice( $message, array( 'type' => 'error' ) ); } /** * Renders an admin notice when a plugin was deactivated during an update. * * Displays an admin notice in case a plugin has been deactivated during an * upgrade due to incompatibility with the current version of WordPress. * * @since 5.8.0 * @access private * * @global string $pagenow The filename of the current screen. * @global string $wp_version The WordPress version string. */ function deactivated_plugins_notice() { if ( 'plugins.php' === $GLOBALS['pagenow'] ) { return; } if ( ! current_user_can( 'activate_plugins' ) ) { return; } $blog_deactivated_plugins = get_option( 'wp_force_deactivated_plugins' ); $site_deactivated_plugins = array(); if ( false === $blog_deactivated_plugins ) { // Option not in database, add an empty array to avoid extra DB queries on subsequent loads. update_option( 'wp_force_deactivated_plugins', array(), false ); } if ( is_multisite() ) { $site_deactivated_plugins = get_site_option( 'wp_force_deactivated_plugins' ); if ( false === $site_deactivated_plugins ) { // Option not in database, add an empty array to avoid extra DB queries on subsequent loads. update_site_option( 'wp_force_deactivated_plugins', array() ); } } if ( empty( $blog_deactivated_plugins ) && empty( $site_deactivated_plugins ) ) { // No deactivated plugins. return; } $deactivated_plugins = array_merge( $blog_deactivated_plugins, $site_deactivated_plugins ); foreach ( $deactivated_plugins as $plugin ) { if ( ! empty( $plugin['version_compatible'] ) && ! empty( $plugin['version_deactivated'] ) ) { $explanation = sprintf( /* translators: 1: Name of deactivated plugin, 2: Plugin version deactivated, 3: Current WP version, 4: Compatible plugin version. */ __( '%1$s %2$s was deactivated due to incompatibility with WordPress %3$s, please upgrade to %1$s %4$s or later.' ), $plugin['plugin_name'], $plugin['version_deactivated'], $GLOBALS['wp_version'], $plugin['version_compatible'] ); } else { $explanation = sprintf( /* translators: 1: Name of deactivated plugin, 2: Plugin version deactivated, 3: Current WP version. */ __( '%1$s %2$s was deactivated due to incompatibility with WordPress %3$s.' ), $plugin['plugin_name'], ! empty( $plugin['version_deactivated'] ) ? $plugin['version_deactivated'] : '', $GLOBALS['wp_version'], $plugin['version_compatible'] ); } $message = sprintf( '<strong>%s</strong><br>%s</p><p><a href="%s">%s</a>', sprintf( /* translators: %s: Name of deactivated plugin. */ __( '%s plugin deactivated during WordPress upgrade.' ), $plugin['plugin_name'] ), $explanation, esc_url( admin_url( 'plugins.php?plugin_status=inactive' ) ), __( 'Go to the Plugins screen' ) ); wp_admin_notice( $message, array( 'type' => 'warning' ) ); } // Empty the options. update_option( 'wp_force_deactivated_plugins', array(), false ); if ( is_multisite() ) { update_site_option( 'wp_force_deactivated_plugins', array() ); } } Save