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<?php $dateParts = ['year', 'month']; $timeParts = ['hour']; $parts = ['date' => $dateParts, 'time' => $timeParts]; var_dump(array_reduce($parts, array_merge, []));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "array_merge" in /in/tobWE:9 Stack trace: #0 {main} thrown in /in/tobWE on line 9
Process exited with code 255.

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