Warning (2): mysqli::mysqli() [http://php.net/mysqli.mysqli]: [2002] Connection refused (trying to connect via unix:///var/lib/mysql/mysql.sock) [APP/config/routes.php, line 44]
Warning (2): mysqli::mysqli() [http://php.net/mysqli.mysqli]: (HY000/2002): Connection refused [APP/config/routes.php, line 44]
Kết nối cơ sở dữ liệu thất bại: Connection refused