/** * Returns an array containing, for each field, the arary key used for that * field in self::$_fields. * * @return array */ static function &fieldKeys() { if (!self::$_fieldKeys) { self::$_fieldKeys = array('App_ID' => 'App_ID', 'App_Name' => 'App_Name', 'App_secret' => 'App_secret'); } return self::$_fieldKeys; }