PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/allg/config.php:22
Stack trace:
#0 /var/www/html/allg/config.php(22): PDO->__construct()
#1 /var/www/html/allg/main.php(19): require('...')
#2 /var/www/html/index.php(5): require_once('...')
#3 {main}