A PHP Error was encountered

Severity: 8192

Message: Methods with the same name as their class will not be constructors in a future version of PHP; CI_DB_driver has a deprecated constructor

Filename: database/DB_driver.php

Line Number: 31

Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in /system/database/drivers/mysql/mysql_driver.php:88 Stack trace: #0 /system/database/DB_driver.php(115): CI_DB_mysql_driver->db_pconnect() #1 /system/database/DB.php(137): CI_DB_driver->initialize() #2 /system/core/Loader.php(242): DB(Array, NULL) #3 /system/core/Loader.php(1015): CI_Loader->database() #4 /system/core/Controller.php(53): CI_Loader->_ci_autoloader() #5 /application/controllers/category_controller.php(6): CI_Controller->__construct() #6 /system/core/CodeIgniter.php(267): Category_controller->__construct() #7 /index.php(162): require_once('/system/core/Co...') #8 {main} thrown in /system/database/drivers/mysql/mysql_driver.php on line 88