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<?php $arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; $arr2 = array_map(function ($e) { return 2 * $e; }); var_dump($arr2);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: array_map() expects at least 2 arguments, 1 given in /in/7nOE4:5 Stack trace: #0 /in/7nOE4(5): array_map(Object(Closure)) #1 {main} thrown in /in/7nOE4 on line 5
Process exited with code 255.

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