A PHP Error was encountered

Severity: Notice

Message: Only variables should be assigned by reference

Filename: core/Loader.php

Line Number: 74

Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/mobilesl/public_html/mobileslotssystem/codeigniter/system/database/drivers/mysql/mysql_driver.php:73 Stack trace: #0 /home/mobilesl/public_html/mobileslotssystem/codeigniter/system/database/DB_driver.php(115): CI_DB_mysql_driver->db_connect() #1 /home/mobilesl/public_html/mobileslotssystem/codeigniter/system/database/DB.php(138): CI_DB_driver->initialize() #2 /home/mobilesl/public_html/mobileslotssystem/codeigniter/system/core/Loader.php(268): DB() #3 /home/mobilesl/public_html/mobileslotssystem/expressionengine/libraries/Core.php(105): CI_Loader->database() #4 /home/mobilesl/public_html/mobileslotssystem/expressionengine/core/EE_Controller.php(33): EE_Core->bootstrap() #5 /home/mobilesl/public_html/mobileslotssystem/codeigniter/system/core/CodeIgniter.php(299): EE_Controller->__construct() #6 /home/mobilesl/public_html/index.php(188): require_once('/home/mobilesl/...') #7 {main} thrown in /home/mobilesl/public_html/mobileslotssystem/codeigniter/system/database/drivers/mysql/mysql_driver.php on line 73