Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in /volume1/web/Connections/conn_web.php on line 9

Error: Call to undefined function mysql_pconnect() in /volume1/web/Connections/conn_web.php on line 9

Call Stack:
    0.0002     384992   1. {main}() /volume1/web/EDM.php:0
    0.0003     385216   2. require_once('/volume1/web/Connections/conn_web.php') /volume1/web/EDM.php:1