3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($id) { if ($id (is_numeric($id) || $id === 'pass')) { return true; } return false; } // this error makes the bug a lot more obvious: //var_dump(test('1')); var_dump(test(null));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Value of type null is not callable in /in/HgnQu:4 Stack trace: #0 /in/HgnQu(14): test(NULL) #1 {main} thrown in /in/HgnQu on line 4
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 Error: Function name must be a string in /in/HgnQu:4 Stack trace: #0 /in/HgnQu(14): test(NULL) #1 {main} thrown in /in/HgnQu on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Function name must be a string in /in/HgnQu on line 4
Process exited with code 255.

preferences:
197.67 ms | 401 KiB | 283 Q