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<?php function MaxArray($arr) { $max = ~PHP_INT_MAX; foreach ($arr as $val) { if (is_array($val)) { $val = MaxArray($val); } if ($val > $max) { $max = $val; } } return $max; } $a = array(array(141, 151, 161), 2, 3, array(101, 202, array(303, 404))); echo MaxArray($a) . PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
404

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