Warning: PDO::__construct(): MySQL server has gone away in /home/inpv/public_html/config.php on line 5

Warning: PDO::__construct(): Error while reading greeting packet. PID=23826 in /home/inpv/public_html/config.php on line 5
ERROR: SQLSTATE[HY000] [2006] MySQL server has gone away
Fatal error: Call to a member function query() on null in /home/inpv/public_html/config.php on line 42