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run code in 300+ PHP versions simultaneously
<?php function func() {echo 'fail';} class Foo { const bar = 'func'; public static function bar() { echo 'pass';} } @call_user_func([Foo, bar]);
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 Error: Undefined constant "Foo" in /in/hWqAP:11 Stack trace: #0 {main} thrown in /in/hWqAP on line 11
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
pass
Output for 5.3.6 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/hWqAP on line 11
Process exited with code 255.

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