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<?php function countArrays(callable $callable = null, array ...$arrs) { echo count($arrs); } countArrays([], [], []); countArrays();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: countArrays(): Argument #1 ($callable) must be of type ?callable, array given, called in /in/kQp9L on line 7 and defined in /in/kQp9L:3 Stack trace: #0 /in/kQp9L(7): countArrays(Array, Array, Array) #1 {main} thrown in /in/kQp9L on line 3
Process exited with code 255.

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