Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/khalils/public_html/151/module-151-siwan1680/src/exercices/exercice7/exercice7.php:3 Stack trace: #0 /home/khalils/public_html/151/module-151-siwan1680/src/exercices/exercice7/exercice7.php(3): PDO->__construct('mysql:host=data...', 'root', 'root') #1 {main} Next PDOException: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/khalils/public_html/151/module-151-siwan1680/src/exercices/exercice7/exercice7.php:3 Stack trace: #0 /home/khalils/public_html/151/module-151-siwan1680/src/exercices/exercice7/exercice7.php(3): PDO->__construct('mysql:host=data...', 'root', 'root') #1 {main} thrown in /home/khalils/public_html/151/module-151-siwan1680/src/exercices/exercice7/exercice7.php on line 3