private static function getConnection() { if (self::$connection == null) { $host = Config::getDBhost(); $user = Config::getDBuser(); $pass = Config::getDBpass(); $db = Config::getDBname(); //$opt = array( PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION ); $opt = array(); self::$connection = new PDO('mysql:host=' . $host . ';dbname=' . $db . '', $user, $pass, $opt); //;charset=utf8 } return self::$connection; }