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<?php $months = range(1, 12); $months = array_map(function ($element) { return str_pad($element, 2, 0, STR_PAD_LEFT); }, $months); $months = array_combine($months, $months); var_dump($month);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $month in /in/RD0cH on line 8 NULL

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