Fatal error: Uncaught PDOException: could not find driver in C:\xampp\htdocs\a\util\sqlsrv_connection.php:7 Stack trace: #0 C:\xampp\htdocs\a\util\sqlsrv_connection.php(7): PDO->__construct('sqlsrv:Server=D...', 'sa', '02121979') #1 C:\xampp\htdocs\a\usb.php(2): require_once('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\a\util\sqlsrv_connection.php on line 7