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<?php function maximum($list,$current) { if(empty($list)) return $current; $test = array_pop($list); $current = $current < $test ? $test : $current; $current = max($list, $current); return $current; } $list = [1,2,3,4]; echo maximum($list, 0);

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32.52 ms | 402 KiB | 5 Q