SQLSTATE[HY000] [2002] Connection refused
Notice: Undefined variable: db in /var/www/vhosts/refmak.net/httpdocs/index.php on line 6

Fatal error: Uncaught Error: Call to a member function query() on null in /var/www/vhosts/refmak.net/httpdocs/index.php:6 Stack trace: #0 {main} thrown in /var/www/vhosts/refmak.net/httpdocs/index.php on line 6