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<?php function getCallback() { return function() { return function() { return function() { return function() { echo 'WHY WOULD YOU DO THIS?!' . PHP_EOL; }; }; }; }; } getCallback()()()()()();
Output for git.master, git.master_jit, rfc.property-hooks
WHY WOULD YOU DO THIS?! Fatal error: Uncaught Error: Value of type null is not callable in /in/epXQW:15 Stack trace: #0 {main} thrown in /in/epXQW on line 15
Process exited with code 255.

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