3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { public int $x = null; } $a = [new A()]; foreach ($a as $b) { var_dump($a['x']->x ?? 0); }
Output for 8.5.0 - 8.5.3
Fatal error: Default value for property of type int may not be null. Use the nullable type ?int to allow null default value in /in/F6EXM on line 5 Stack trace: #0 {main}
Process exited with code 255.
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
Fatal error: Default value for property of type int may not be null. Use the nullable type ?int to allow null default value in /in/F6EXM on line 5
Process exited with code 255.
preferences:
152 ms | 1317 KiB | 6 Q