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<?php function MaxArray($arr) { $max = 0; foreach($arr as $a) { $tmp = is_array($a) ? MaxArray($a) : $a; $max = ($tmp > $max) ? $tmp : $max; } return $max; } $arr = array(array(141,151,161), 2, 3, array(101, 202, array(303,404))); echo MaxArray($arr);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
404