+ * 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;
+ }
+ } 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;
+
+ $plugin_data = get_plugin_data( WPMU_PLUGIN_DIR . "/$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, '_sort_uname_callback' );
+
+ return $wp_plugins;
+}
+
+/**
+ * Callback to sort array by a 'Name' key.
+ *
+ * @since 3.1.0
+ * @access private
+ */
+function _sort_uname_callback( $a, $b ) {
+ return strnatcasecmp( $a['Name'], $b['Name'] );
+}
+
+/**
+ * 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;
+ }
+ } 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;
+ $plugin_data = get_plugin_data( WP_CONTENT_DIR . "/$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, 'strnatcasecmp' );
+
+ 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 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;
+}
+
+/**
+ * Check 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.
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff