Fatal error: Uncaught PDOException: PDO::__construct(): Error while reading greeting packet. PID=2817553 in /var/www/html/fetch.php:11 Stack trace: #0 /var/www/html/fetch.php(11): PDO->__construct() #1 {main} Next PDOException: SQLSTATE[HY000] [2006] MySQL server has gone away in /var/www/html/fetch.php:11 Stack trace: #0 /var/www/html/fetch.php(11): PDO->__construct() #1 {main} thrown in /var/www/html/fetch.php on line 11