问计算特定索引PHP中元素最大值的算法

EN

max(array_column($array,$index));

        $multi_array = array([1,3,6,7],[1,5,7,9],[1,5,9,10]);
        $index = 3;
        
        $max = current($multi_array[$index]);
        $max_index = 0;
        foreach($multi_array as $key => $array){
            if($array[$index] > $max){
                $max = $array[$index];
                $max_index = $key;
            }
        }