Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1049] Unknown database 'xml' in C:\xampp\htdocs\xmll2\test.php:7 Stack trace: #0 C:\xampp\htdocs\xmll2\test.php(7): PDO->__construct('mysql:host=loca...', 'root', '') #1 {main} thrown in C:\xampp\htdocs\xmll2\test.php on line 7