Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /volume1/web/rr/inc/connect.php on line 7

Error: Call to undefined function mysql_connect() in /volume1/web/rr/inc/connect.php on line 7

Call Stack:
    0.0000     359864   1. {main}() /volume1/web/rr/index.php:0
    0.0002     360976   2. include('/volume1/web/rr/inc/connect.php') /volume1/web/rr/index.php:3