3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pdo = new \PDO('localhost'); print_r($pdo);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught PDOException: PDO::__construct(): Argument #1 ($dsn) must be a valid data source name in /in/S80O2:3 Stack trace: #0 /in/S80O2(3): PDO->__construct('localhost') #1 {main} thrown in /in/S80O2 on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught PDOException: invalid data source name in /in/S80O2:3 Stack trace: #0 /in/S80O2(3): PDO->__construct('localhost') #1 {main} thrown in /in/S80O2 on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Uncaught exception 'PDOException' with message 'invalid data source name' in /in/S80O2:3 Stack trace: #0 /in/S80O2(3): PDO->__construct('localhost') #1 {main} thrown in /in/S80O2 on line 3
Process exited with code 255.

preferences:
290.38 ms | 402 KiB | 373 Q