* /* * Plugin Name: Name of Plugin * Plugin URI: Link to plugin information * Description: Plugin Description * Author: Plugin author's name * Author URI: Link to the author's web site * Version: Must be set in the plugin for WordPress 2.3+ * Text Domain: Optional. Unique identifier, should be same as the one used in * plugin_text_domain() * 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. * * / # Remove the space to close comment * * * Plugin data returned array contains the following: * 'Name' - Name of the plugin, must be unique. * 'Title' - Title of the plugin and the link to the plugin's web site. * 'Description' - Description of what the plugin does and/or notes * from the author. * 'Author' - The author's name * 'AuthorURI' - The authors web site address. * 'Version' - The plugin version number. * 'PluginURI' - Plugin web site address. * 'TextDomain' - Plugin's text domain for localization. * 'DomainPath' - Plugin's relative directory path to .mo files. * 'Network' - Boolean. Whether the plugin can only be activated network wide. * * Some users have issues with opening large files and manipulating the contents * for want is usually the first 1kiB or 2kiB. This function stops pulling in * the plugin contents when it has all of the required plugin data. * * The first 8kiB of the file will be pulled in and if the plugin data is not * within that first 8kiB, 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. * * @link http://trac.wordpress.org/ticket/5651 Previous Optimizations. * @link http://trac.wordpress.org/ticket/7372 Further and better Optimizations. * @since 1.5.0 * * @param string $plugin_file Path to the plugin file * @param bool $markup If the returned data should have HTML markup applied * @param bool $translate If the returned data should be translated * @return array See above for description. */ 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', // 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 ( empty( $plugin_data['Network'] ) && ! empty( $plugin_data['_sitewide'] ) ) { _deprecated_argument( __FUNCTION__, '3.0', sprintf( __( 'The %1$s plugin header is deprecated. Use %2$s instead.' ), 'Site Wide Only: true', 'Network: true' ) ); $plugin_data['Network'] = $plugin_data['_sitewide']; } $plugin_data['Network'] = ( 'true' == strtolower( $plugin_data['Network'] ) ) ? true : false; unset( $plugin_data['_sitewide'] ); //For backward compatibility by default Title is the same as Name. $plugin_data['Title'] = $plugin_data['Name']; if ( $markup || $translate ) $plugin_data = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup, $translate ); return $plugin_data; } function _get_plugin_data_markup_translate($plugin_file, $plugin_data, $markup = true, $translate = true) { //Translate fields30 if ( $translate && ! empty($plugin_data['TextDomain']) ) { if ( ! empty( $plugin_data['DomainPath'] ) ) load_plugin_textdomain($plugin_data['TextDomain'], false, dirname($plugin_file). $plugin_data['DomainPath']); else load_plugin_textdomain($plugin_data['TextDomain'], false, dirname($plugin_file)); foreach ( array('Name', 'PluginURI', 'Description', 'Author', 'AuthorURI', 'Version') as $field ) $plugin_data[ $field ] = translate($plugin_data[ $field ], $plugin_data['TextDomain']); } //Apply Markup if ( $markup ) { if ( ! empty($plugin_data['PluginURI']) && ! empty($plugin_data['Name']) ) $plugin_data['Title'] = '' . $plugin_data['Name'] . ''; else $plugin_data['Title'] = $plugin_data['Name']; if ( ! empty($plugin_data['AuthorURI']) && ! empty($plugin_data['Author']) ) $plugin_data['Author'] = '' . $plugin_data['Author'] . ''; $plugin_data['Description'] = wptexturize( $plugin_data['Description'] ); if ( ! empty($plugin_data['Author']) ) $plugin_data['Description'] .= ' ' . sprintf( __('By %s'), $plugin_data['Author'] ) . '.'; } $plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array()); // Sanitize all displayed data $plugin_data['Title'] = wp_kses($plugin_data['Title'], $plugins_allowedtags); $plugin_data['Version'] = wp_kses($plugin_data['Version'], $plugins_allowedtags); $plugin_data['Description'] = wp_kses($plugin_data['Description'], $plugins_allowedtags); $plugin_data['Author'] = wp_kses($plugin_data['Author'], $plugins_allowedtags); return $plugin_data; } /** * Get a list of a plugin's files. * * @since 2.8.0 * * @param string $plugin Plugin ID * @return array List of files relative to the plugin root. */ function get_plugin_files($plugin) { $plugin_file = WP_PLUGIN_DIR . '/' . $plugin; $dir = dirname($plugin_file); $plugin_files = array($plugin); if ( is_dir($dir) && $dir != WP_PLUGIN_DIR ) { $plugins_dir = @ opendir( $dir ); if ( $plugins_dir ) { while (($file = readdir( $plugins_dir ) ) !== false ) { if ( substr($file, 0, 1) == '.' ) continue; if ( is_dir( $dir . '/' . $file ) ) { $plugins_subdir = @ opendir( $dir . '/' . $file ); if ( $plugins_subdir ) { while (($subfile = readdir( $plugins_subdir ) ) !== false ) { if ( substr($subfile, 0, 1) == '.' ) continue; $plugin_files[] = plugin_basename("$dir/$file/$subfile"); } @closedir( $plugins_subdir ); } } else { if ( plugin_basename("$dir/$file") != $plugin ) $plugin_files[] = plugin_basename("$dir/$file"); } } @closedir( $plugins_dir ); } } return $plugin_files; } /** * Check 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 that do keep your * plugin files in 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 unknown * * @param string $plugin_folder Optional. Relative path to single plugin folder. * @return array Key is the plugin file path and the value is an array of the plugin data. */ function get_plugins($plugin_folder = '') { if ( ! $cache_plugins = wp_cache_get('plugins', '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( $plugins_dir ) ) !== false ) { if ( substr($file, 0, 1) == '.' ) continue; if ( is_dir( $plugin_root.'/'.$file ) ) { $plugins_subdir = @ opendir( $plugin_root.'/'.$file ); if ( $plugins_subdir ) { while (($subfile = readdir( $plugins_subdir ) ) !== false ) { if ( substr($subfile, 0, 1) == '.' ) continue; if ( substr($subfile, -4) == '.php' ) $plugin_files[] = "$file/$subfile"; } } } else { if ( substr($file, -4) == '.php' ) $plugin_files[] = $file; } } } @closedir( $plugins_dir ); @closedir( $plugins_subdir ); if ( !$plugins_dir || empty($plugin_files) ) return $wp_plugins; foreach ( $plugin_files as $plugin_file ) { if ( !is_readable( "$plugin_root/$plugin_file" ) ) continue; $plugin_data = get_plugin_data( "$plugin_root/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached. if ( empty ( $plugin_data['Name'] ) ) continue; $wp_plugins[plugin_basename( $plugin_file )] = $plugin_data; } uasort( $wp_plugins, create_function( '$a, $b', 'return strnatcasecmp( $a["Name"], $b["Name"] );' )); $cache_plugins[ $plugin_folder ] = $wp_plugins; wp_cache_set('plugins', $cache_plugins, 'plugins'); return $wp_plugins; } /** * Check 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 Key is the mu-plugin file path and the value is an array of the mu-plugin data. */ function get_mu_plugins() { $wp_plugins = array(); // Files in wp-content/mu-plugins directory $plugin_files = array(); if ( ! is_dir( WPMU_PLUGIN_DIR ) ) return $wp_plugins; if ( $plugins_dir = @ opendir( WPMU_PLUGIN_DIR ) ) { while ( ( $file = readdir( $plugins_dir ) ) !== false ) { if ( substr( $file, -4 ) == '.php' ) $plugin_files[] = $file; } } @closedir( $plugins_dir ); if ( !$plugins_dir || empty($plugin_files) ) return $wp_plugins; foreach ( $plugin_files as $plugin_file ) { if ( !is_readable( WPMU_PLUGIN_DIR . "/$plugin_file" ) ) continue; $plugin_data = get_plugin_data( WPMU_PLUGIN_DIR . "/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached. 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( $wp_plugins, create_function( '$a, $b', 'return strnatcasecmp( $a["Name"], $b["Name"] );' )); return $wp_plugins; } /** * Check the wp-content directory and retrieve all drop-ins with any plugin data. * * @since 3.0.0 * @return array Key is the file path and the value is an array of the plugin data. */ function get_dropins() { $dropins = array(); $plugin_files = array(); $_dropins = _get_dropins(); // These exist in the wp-content directory if ( $plugins_dir = @ opendir( WP_CONTENT_DIR ) ) { while ( ( $file = readdir( $plugins_dir ) ) !== false ) { if ( isset( $_dropins[ $file ] ) ) $plugin_files[] = $file; } } @closedir( $plugins_dir ); if ( !$plugins_dir || empty($plugin_files) ) return $dropins; foreach ( $plugin_files as $plugin_file ) { if ( !is_readable( WP_CONTENT_DIR . "/$plugin_file" ) ) continue; $plugin_data = get_plugin_data( WP_CONTENT_DIR . "/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached. if ( empty ( $plugin_data['Name'] ) ) $plugin_data['Name'] = $plugin_file; $dropins[ $plugin_file ] = $plugin_data; } uksort( $dropins, create_function( '$a, $b', 'return strnatcasecmp( $a, $b );' )); return $dropins; } /** * Returns drop-ins 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, with the first value the * purpose of the drop-in and the second value the 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 install script.' ), true ), // auto on install 'maintenance.php' => array( __( 'Custom maintenance message.' ), true ), // auto on maintenance 'object-cache.php' => array( __( 'External object cache.' ), true ), // auto on load ); if ( is_multisite() ) { $dropins['sunrise.php' ] = array( __( 'Executed before Multisite is loaded.' ), 'SUNRISE' ); // SUNRISE $dropins['blog-deleted.php' ] = array( __( 'Custom blog deleted message.' ), true ); // auto on deleted blog $dropins['blog-inactive.php' ] = array( __( 'Custom blog inactive message.' ), true ); // auto on inactive blog $dropins['blog-suspended.php'] = array( __( 'Custom blog suspended message.' ), true ); // auto on archived or spammed blog } return $dropins; } /** * Check whether the plugin is active by checking the active_plugins list. * * @since 2.5.0 * * @param string $plugin Base plugin path from 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() ) ) || is_plugin_active_for_network( $plugin ); } /** * Check whether the plugin is active for the entire network. * * @since 3.0.0 * * @param string $plugin Base plugin path from 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 backwards compatibility. * * @since 3.0.0 * * @param $file Plugin to check * $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 unknown * * @param string $plugin Plugin path to main plugin file with plugin data. * @param string $redirect Optional. URL to redirect to. * @param bool $network_wide Whether to enable the plugin for all sites in the network or just the current site. Multisite only. Default is false. * @return WP_Error|null WP_Error on invalid file or null on success. */ function activate_plugin( $plugin, $redirect = '', $network_wide = 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() ); } else { $current = get_option( 'active_plugins', array() ); } $valid = validate_plugin($plugin); if ( is_wp_error($valid) ) return $valid; if ( !in_array($plugin, $current) ) { if ( !empty($redirect) ) wp_redirect(add_query_arg('_error_nonce', wp_create_nonce('plugin-activation-error_' . $plugin), $redirect)); // we'll override this later if the plugin can be included without fatal error ob_start(); include(WP_PLUGIN_DIR . '/' . $plugin); if ( ob_get_length() > 0 ) { $output = ob_get_clean(); return new WP_Error('unexpected_output', __('The plugin generated unexpected output.'), $output); } do_action( 'activate_plugin', trim( $plugin) ); if ( $network_wide ) { $current[$plugin] = time(); update_site_option( 'active_sitewide_plugins', $current ); } else { $current[] = $plugin; sort($current); update_option('active_plugins', $current); } do_action( 'activate_' . trim( $plugin ) ); do_action( 'activated_plugin', trim( $plugin) ); ob_end_clean(); } return null; } /** * Deactivate a single plugin or multiple plugins. * * The deactivation hook is disabled by the plugin upgrader by using the $silent * parameter. * * @since unknown * * @param string|array $plugins Single plugin or list of plugins to deactivate. * @param bool $silent Optional, default is false. Prevent calling deactivate hook. */ function deactivate_plugins( $plugins, $silent = false ) { $network_current = get_site_option( 'active_sitewide_plugins', array() ); $current = get_option( 'active_plugins', array() ); $do_blog = $do_network = false; foreach ( (array) $plugins as $plugin ) { $plugin = plugin_basename($plugin); if ( ! is_plugin_active($plugin) ) continue; if ( ! $silent ) do_action( 'deactivate_plugin', trim( $plugin ) ); if ( is_plugin_active_for_network($plugin) ) { // Deactivate network wide $do_network = true; unset( $network_current[ $plugin ] ); } else { // Deactivate for this blog only $key = array_search( $plugin, (array) $current ); if ( false !== $key ) { $do_blog = true; array_splice( $current, $key, 1 ); } } //Used by Plugin updater to internally deactivate plugin, however, not to notify plugins of the fact to prevent plugin output. if ( ! $silent ) { do_action( 'deactivate_' . trim( $plugin ) ); do_action( 'deactivated_plugin', trim( $plugin ) ); } } if ( $do_blog ) update_option('active_plugins', $current); if ( $do_network ) update_site_option( 'active_sitewide_plugins', $network_current ); } /** * Activate 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 plugins file path was invalid. * * The execution will be halted as soon as one of the plugins has an error. * * @since unknown * * @param string|array $plugins * @param string $redirect Redirect to page after successful activation. * @param bool $network_wide Whether to enable the plugin for all sites in the network. * @return bool|WP_Error True when finished or WP_Error if there were errors during a plugin activation. */ function activate_plugins($plugins, $redirect = '', $network_wide) { if ( !is_array($plugins) ) $plugins = array($plugins); $errors = array(); foreach ( (array) $plugins as $plugin ) { if ( !empty($redirect) ) $redirect = add_query_arg('plugin', $plugin, $redirect); $result = activate_plugin($plugin, $redirect, $network_wide); if ( is_wp_error($result) ) $errors[$plugin] = $result; } if ( !empty($errors) ) return new WP_Error('plugins_invalid', __('One of the plugins is invalid.'), $errors); return true; } /** * Remove directory and files of a plugin for a single or list of plugin(s). * * If the plugins parameter list is empty, false will be returned. True when * completed. * * @since unknown * * @param array $plugins List of plugin * @param string $redirect Redirect to page when complete. * @return mixed */ function delete_plugins($plugins, $redirect = '' ) { global $wp_filesystem; if ( empty($plugins) ) return false; $checked = array(); foreach( $plugins as $plugin ) $checked[] = 'checked[]=' . $plugin; ob_start(); $url = wp_nonce_url('plugins.php?action=delete-selected&verify-delete=1&' . implode('&', $checked), 'bulk-manage-plugins'); if ( false === ($credentials = request_filesystem_credentials($url)) ) { $data = ob_get_contents(); ob_end_clean(); if ( ! empty($data) ){ include_once( ABSPATH . 'wp-admin/admin-header.php'); echo $data; include( ABSPATH . 'wp-admin/admin-footer.php'); exit; } return; } if ( ! WP_Filesystem($credentials) ) { request_filesystem_credentials($url, '', true); //Failed to connect, Error and request again $data = ob_get_contents(); ob_end_clean(); if ( ! empty($data) ){ include_once( ABSPATH . 'wp-admin/admin-header.php'); echo $data; include( ABSPATH . 'wp-admin/admin-footer.php'); exit; } return; } if ( ! is_object($wp_filesystem) ) return new WP_Error('fs_unavailable', __('Could not access filesystem.')); if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() ) 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 ); $errors = array(); foreach( $plugins as $plugin_file ) { // Run Uninstall hook if ( is_uninstallable_plugin( $plugin_file ) ) uninstall_plugin($plugin_file); $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin_file) ); // If plugin is in its own directory, recursively delete the directory. if ( strpos($plugin_file, '/') && $this_plugin_dir != $plugins_dir ) //base check on if plugin includes directory seperator AND that its not the root plugin folder $deleted = $wp_filesystem->delete($this_plugin_dir, true); else $deleted = $wp_filesystem->delete($plugins_dir . $plugin_file); if ( ! $deleted ) $errors[] = $plugin_file; } if ( ! empty($errors) ) return new WP_Error('could_not_remove_plugin', sprintf(__('Could not fully remove the plugin(s) %s.'), implode(', ', $errors)) ); // Force refresh of plugin update information if ( $current = get_site_transient('update_plugins') ) { unset( $current->response[ $plugin_file ] ); set_site_transient('update_plugins', $current); } return true; } /** * Validate active plugins * * Validate all active plugins, deactivates invalid and * returns an array of deactivated ones. * * @since unknown * @return array invalid plugins, plugin as key, error as value */ 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() && is_super_admin() ) { $network_plugins = (array) get_site_option( 'active_sitewide_plugins', array() ); $plugins = array_merge( $plugins, array_keys( $network_plugins ) ); } if ( empty( $plugins ) ) return; $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; } /** * Validate the plugin path. * * Checks that the file exists and {@link validate_file() is valid file}. * * @since unknown * * @param string $plugin Plugin Path * @return WP_Error|int 0 on success, WP_Error on failure. */ function validate_plugin($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; } /** * Whether the plugin can be uninstalled. * * @since 2.7.0 * * @param string $plugin Plugin path to check. * @return bool Whether plugin can be uninstalled. */ function is_uninstallable_plugin($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; } /** * Uninstall a single plugin. * * Calls the uninstall hook, if it is available. * * @since 2.7.0 * * @param string $plugin Relative plugin path from Plugin Directory. */ function uninstall_plugin($plugin) { $file = plugin_basename($plugin); $uninstallable_plugins = (array) get_option('uninstall_plugins'); if ( file_exists( WP_PLUGIN_DIR . '/' . dirname($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', $file); include WP_PLUGIN_DIR . '/' . dirname($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); include WP_PLUGIN_DIR . '/' . $file; add_action( 'uninstall_' . $file, $callable ); do_action( 'uninstall_' . $file ); } } // // Menu // /** * Add 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. * * @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 callback $function The function to be called to output the content for this page. * @param string $icon_url The url to the icon to be used for this menu * @param int $position The position in the menu order this one should appear */ function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '', $position = NULL ) { global $menu, $admin_page_hooks, $_registered_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 ( $function ) && !empty ( $hookname ) && current_user_can( $capability ) ) add_action( $hookname, $function ); if ( empty($icon_url) ) { $icon_url = esc_url( admin_url( 'images/generic.png' ) ); } elseif ( is_ssl() && 0 === strpos($icon_url, 'http://') ) { $icon_url = 'https://' . substr($icon_url, 7); } $new_menu = array ( $menu_title, $capability, $menu_slug, $page_title, 'menu-top ' . $hookname, $hookname, $icon_url ); if ( NULL === $position ) { $menu[] = $new_menu; } else { $menu[$position] = $new_menu; } $_registered_pages[$hookname] = true; return $hookname; } /** * Add a top level menu page in the 'objects' section * * 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. * * @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 callback $function The function to be called to output the content for this page. * @param string $icon_url The url to the icon to be used for this menu */ function add_object_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '') { global $_wp_last_object_menu; $_wp_last_object_menu++; return add_menu_page($page_title, $menu_title, $capability, $menu_slug, $function, $icon_url, $_wp_last_object_menu); } /** * Add a top level menu page in the 'utility' section * * 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. * * @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 callback $function The function to be called to output the content for this page. * @param string $icon_url The url to the icon to be used for this menu */ function add_utility_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '') { global $_wp_last_utility_menu; $_wp_last_utility_menu++; return add_menu_page($page_title, $menu_title, $capability, $menu_slug, $function, $icon_url, $_wp_last_utility_menu); } /** * Add a sub 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. * * @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) * @param callback $function The function to be called to output the content for this page. */ function add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { global $submenu; global $menu; global $_wp_real_parent_file; global $_wp_submenu_nopriv; global $_registered_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][] = $parent_menu; } } $submenu[$parent_slug][] = array ( $menu_title, $capability, $menu_slug, $page_title ); $hookname = get_plugin_page_hookname( $menu_slug, $parent_slug); if (!empty ( $function ) && !empty ( $hookname )) add_action( $hookname, $function ); $_registered_pages[$hookname] = true; // backwards-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; return $hookname; } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_management_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'tools.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu page to the options 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_options_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'options-general.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu page to the themes 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_theme_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'themes.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_plugins_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'plugins.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_users_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { 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, $function ); } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_dashboard_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'index.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_posts_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'edit.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_media_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'upload.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_links_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'link-manager.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_pages_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'edit.php?post_type=page', $page_title, $menu_title, $capability, $menu_slug, $function ); } /** * Add sub menu 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. * * @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 callback $function The function to be called to output the content for this page. */ function add_comments_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) { return add_submenu_page( 'edit-comments.php', $page_title, $menu_title, $capability, $menu_slug, $function ); } // // Pluggable Menu Support -- Private // function get_admin_page_parent( $parent = '' ) { global $parent_file; global $menu; global $submenu; global $pagenow; global $plugin_page; global $_wp_real_parent_file; global $_wp_menu_nopriv; global $_wp_submenu_nopriv; if ( !empty ( $parent ) && 'admin.php' != $parent ) { if ( isset( $_wp_real_parent_file[$parent] ) ) $parent = $_wp_real_parent_file[$parent]; return $parent; } /* if ( !empty ( $parent_file ) ) { if ( isset( $_wp_real_parent_file[$parent_file] ) ) $parent_file = $_wp_real_parent_file[$parent_file]; return $parent_file; } */ if ( $pagenow == 'admin.php' && 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) { foreach ( $submenu[$parent] as $submenu_array ) { if ( isset( $_wp_real_parent_file[$parent] ) ) $parent = $_wp_real_parent_file[$parent]; if ( $submenu_array[2] == $pagenow && ( empty($parent_file) || false === strpos($parent_file, '?') ) ) { $parent_file = $parent; return $parent; } else if ( isset( $plugin_page ) && ($plugin_page == $submenu_array[2] ) ) { $parent_file = $parent; return $parent; } } } if ( empty($parent_file) ) $parent_file = ''; return ''; } function get_admin_page_title() { global $title; global $menu; global $submenu; global $pagenow; global $plugin_page; if ( isset( $title ) && !empty ( $title ) ) { return $title; } $hook = get_plugin_page_hook( $plugin_page, $pagenow ); $parent = $parent1 = get_admin_page_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]; } else if ( isset( $plugin_page ) && ($plugin_page == $menu_array[2] ) && ($hook == $menu_array[3] ) ) { $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 == $submenu_array[2] ) && (($parent == $pagenow ) || ($parent == $plugin_page ) || ($plugin_page == $hook ) || (($pagenow == 'admin.php' ) && ($parent1 != $submenu_array[2] ) ) ) ) { $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 $title; } } } if ( !isset($title) || empty ( $title ) ) { foreach ( $menu as $menu_array ) { if ( isset( $plugin_page ) && ($plugin_page == $menu_array[2] ) && ($pagenow == 'admin.php' ) && ($parent1 == $menu_array[2] ) ) { $title = $menu_array[3]; return $menu_array[3]; } } } } return $title; } 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; } 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'; else if ( isset( $admin_page_hooks[$parent] )) $page_type = $admin_page_hooks[$parent]; } else if ( isset( $admin_page_hooks[$parent] ) ) { $page_type = $admin_page_hooks[$parent]; } $plugin_name = preg_replace( '!\.php!', '', $plugin_page ); return $page_type.'_page_'.$plugin_name; } function user_can_access_admin_page() { global $pagenow; global $menu; global $submenu; global $_wp_menu_nopriv; global $_wp_submenu_nopriv; global $plugin_page; global $_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 ) ) { if ( current_user_can( $submenu_array[1] )) return true; else return false; } else if ( $submenu_array[2] == $pagenow ) { if ( current_user_can( $submenu_array[1] )) return true; else return false; } } } foreach ( $menu as $menu_array ) { if ( $menu_array[2] == $parent) { if ( current_user_can( $menu_array[1] )) return true; else return false; } } return true; } /* Whitelist functions */ /** * Register a setting and its sanitization callback * * @since 2.7.0 * * @param string $option_group A settings group name. Should correspond to a whitelisted option key name. * Default whitelisted option key names include "general," "discussion," and "reading," among others. * @param string $option_name The name of an option to sanitize and save. * @param unknown_type $sanitize_callback A callback function that sanitizes the option's value. * @return unknown */ function register_setting($option_group, $option_name, $sanitize_callback = '') { return add_option_update_handler($option_group, $option_name, $sanitize_callback); } /** * Unregister a setting * * @since 2.7.0 * * @param unknown_type $option_group * @param unknown_type $option_name * @param unknown_type $sanitize_callback * @return unknown */ function unregister_setting($option_group, $option_name, $sanitize_callback = '') { return remove_option_update_handler($option_group, $option_name, $sanitize_callback); } /** * {@internal Missing Short Description}} * * @since unknown * * @param unknown_type $option_group * @param unknown_type $option_name * @param unknown_type $sanitize_callback */ function add_option_update_handler($option_group, $option_name, $sanitize_callback = '') { global $new_whitelist_options; $new_whitelist_options[ $option_group ][] = $option_name; if ( $sanitize_callback != '' ) add_filter( "sanitize_option_{$option_name}", $sanitize_callback ); } /** * {@internal Missing Short Description}} * * @since unknown * * @param unknown_type $option_group * @param unknown_type $option_name * @param unknown_type $sanitize_callback */ function remove_option_update_handler($option_group, $option_name, $sanitize_callback = '') { global $new_whitelist_options; $pos = array_search( $option_name, (array) $new_whitelist_options ); if ( $pos !== false ) unset( $new_whitelist_options[ $option_group ][ $pos ] ); if ( $sanitize_callback != '' ) remove_filter( "sanitize_option_{$option_name}", $sanitize_callback ); } /** * {@internal Missing Short Description}} * * @since unknown * * @param unknown_type $options * @return unknown */ function option_update_filter( $options ) { global $new_whitelist_options; if ( is_array( $new_whitelist_options ) ) $options = add_option_whitelist( $new_whitelist_options, $options ); return $options; } add_filter( 'whitelist_options', 'option_update_filter' ); /** * {@internal Missing Short Description}} * * @since unknown * * @param unknown_type $new_options * @param unknown_type $options * @return unknown */ function add_option_whitelist( $new_options, $options = '' ) { if ( $options == '' ) global $whitelist_options; else $whitelist_options = $options; foreach ( $new_options as $page => $keys ) { foreach ( $keys as $key ) { if ( !isset($whitelist_options[ $page ]) || !is_array($whitelist_options[ $page ]) ) { $whitelist_options[ $page ] = array(); $whitelist_options[ $page ][] = $key; } else { $pos = array_search( $key, $whitelist_options[ $page ] ); if ( $pos === false ) $whitelist_options[ $page ][] = $key; } } } return $whitelist_options; } /** * {@internal Missing Short Description}} * * @since unknown * * @param unknown_type $del_options * @param unknown_type $options * @return unknown */ function remove_option_whitelist( $del_options, $options = '' ) { if ( $options == '' ) global $whitelist_options; else $whitelist_options = $options; foreach ( $del_options as $page => $keys ) { foreach ( $keys as $key ) { if ( isset($whitelist_options[ $page ]) && is_array($whitelist_options[ $page ]) ) { $pos = array_search( $key, $whitelist_options[ $page ] ); if ( $pos !== false ) unset( $whitelist_options[ $page ][ $pos ] ); } } } return $whitelist_options; } /** * Output 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 ""; echo ''; wp_nonce_field("$option_group-options"); } /** * Outputs the notice message for multisite regarding activation of plugin page. * * @since 3.0 * @return none */ function _admin_notice_multisite_activate_plugins_page() { $message = sprintf( __( 'The plugins page is not visible to normal users. It must be activated first. %s' ), '' . __( 'Activate' ) . '' ); echo "

$message

"; } ?>