public static function getConnection() { if (self::$connection == null) { $dbConfig = Rays::app()->getDbConfig(); self::$connection = mysql_connect($dbConfig['host'], $dbConfig['user'], $dbConfig['password']) or die(mysql_error()); mysql_select_db($dbConfig['db_name']) or die(mysql_error()); mysql_query("set names " . $dbConfig['charset']) or die(mysql_error()); } return self::$connection; }