PDOException: could not find driver in /var/www/html/lamp/contacts/ContactDB.php:20 Stack trace: #0 /var/www/html/lamp/contacts/ContactDB.php(20): PDO->__construct('mysql:host=10.2...', 'democodegym_vn', 'flashing_8convo...') #1 /var/www/html/lamp/contacts/ContactDB.php(28): ContactDB->connect() #2 /var/www/html/lamp/contacts/list.php(6): ContactDB->getAll() #3 {main}
Fatal error: Uncaught Error: Call to a member function query() on null in /var/www/html/lamp/contacts/ContactDB.php:29 Stack trace: #0 /var/www/html/lamp/contacts/list.php(6): ContactDB->getAll() #1 {main} thrown in /var/www/html/lamp/contacts/ContactDB.php on line 29