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run code in 300+ PHP versions simultaneously
<?php function a(array $a = []) { var_dump($a); } a(null);
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 TypeError: a(): Argument #1 ($a) must be of type array, null given, called in /in/YQaqN on line 7 and defined in /in/YQaqN:3 Stack trace: #0 /in/YQaqN(7): a(NULL) #1 {main} thrown in /in/YQaqN on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 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 TypeError: Argument 1 passed to a() must be of the type array, null given, called in /in/YQaqN on line 7 and defined in /in/YQaqN:3 Stack trace: #0 /in/YQaqN(7): a(NULL) #1 {main} thrown in /in/YQaqN on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to a() must be of the type array, null given, called in /in/YQaqN on line 7 and defined in /in/YQaqN on line 3
Process exited with code 255.

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