/** * instance method * * Get singleton instance of self (Ai1ec_Database). * * @return Ai1ec_Database Initialized instance of self */ public static function instance() { if (!self::$_instance instanceof Ai1ec_Database) { self::$_instance = new Ai1ec_Database(); } return self::$_instance; }
/** * instance method * * Get singleton instance of self (Ai1ec_Database). * * @return Ai1ec_Database Initialized instance of self */ public static function instance() { if (!self::$_instance instanceof Ai1ec_Database) { global $wpdb; self::$_instance = new Ai1ec_Database($wpdb); } return self::$_instance; }