Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in /home/mydoubts/public_html/phpdemoexamples/system/database/drivers/mysql/mysql_driver.php:92 Stack trace: #0 /home/mydoubts/public_html/phpdemoexamples/system/database/DB_driver.php(116): CI_DB_mysql_driver->db_pconnect() #1 /home/mydoubts/public_html/phpdemoexamples/system/database/DB.php(149): CI_DB_driver->initialize() #2 /home/mydoubts/public_html/phpdemoexamples/system/core/Loader.php(347): DB(Array, true) #3 /home/mydoubts/public_html/phpdemoexamples/system/core/Loader.php(292): CI_Loader->database('', false, true) #4 /home/mydoubts/public_html/phpdemoexamples/application/controllers/gridelementsortingusingjqueryphpmysql.php(7): CI_Loader->model('list_order_mode...', 'list_order_mode...', '') #5 /home/mydoubts/public_html/phpdemoexamples/system/core/CodeIgniter.php(309): Gridelementsortingusingjqueryphpmysql->__construct() #6 /home/mydoubts/public_html/phpdemoexamples/index.php(202): require_once('/home/mydoubts/...') #7 {main} thrown in /home/mydoubts/public_html/phpdemoexamples/system/database/drivers/mysql/mysql_driver.php on line 92