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<?php $array = [1, 2, 3, 4]; $array2 = [5, 6, 7, 8]; $function = function($array) { if ($array == 1) { $function($array); } return $array; }; var_dump(array_map($function, $array));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $function in /in/HLBv8 on line 8 Fatal error: Uncaught Error: Value of type null is not callable in /in/HLBv8:8 Stack trace: #0 [internal function]: {closure}(1) #1 /in/HLBv8(14): array_map(Object(Closure), Array) #2 {main} thrown in /in/HLBv8 on line 8
Process exited with code 255.

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