A PHP Error was encountered

Severity: Notice

Message: Only variable references should be returned by reference

Filename: core/Common.php

Line Number: 257

Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/jobplay/public_html/app/system/database/drivers/mysql/mysql_driver.php:73 Stack trace: #0 /home/jobplay/public_html/app/system/database/DB_driver.php(115): CI_DB_mysql_driver->db_connect() #1 /home/jobplay/public_html/app/system/database/DB.php(148): CI_DB_driver->initialize() #2 /home/jobplay/public_html/app/application/core/MY_Loader.php(30): DB() #3 /home/jobplay/public_html/app/application/core/MY_Controller.php(58): MY_Loader->database() #4 /home/jobplay/public_html/app/system/core/CodeIgniter.php(308): MY_Controller->__construct() #5 /home/jobplay/public_html/app/index.php(218): require_once('/home/jobplay/p...') #6 {main} thrown in /home/jobplay/public_html/app/system/database/drivers/mysql/mysql_driver.php on line 73