Question

How to multiply two lists in PHP

Answer 1

function multiply_two_lists($l1, $l2) {
    $arr_l1 = explode(' ', trim($l1));
    $arr_l2 = explode(' ', trim($l2));

    foreach ($arr_l1 as $key => $value) {
        $arr_result[$key] = $arr_l1[$key] * $arr_l2[$key];
    }
    return implode(' ', $arr_result);
}

echo multiply_two_lists(("2 5 6 10"), ("3 5 7 11"));



/*
  run:

  6 25 42 110

 */

 

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