Question

How to multiply two array elements in PHP

Answer 1

function multiply_array_elements($arr1, $arr2) {
    return array_map(function($x, $y) { return $x * $y; }, $arr1, $arr2);
    
}
 
$arr1 = array(1, 4, 8, 9, 6);
$arr2 = array(0, 7, 1, 3, 40);
         
print_r(multiply_array_elements($arr1, $arr2));
 
 
 
 
/*
run:
 
Array
(
    [0] => 0
    [1] => 28
    [2] => 8
    [3] => 27
    [4] => 240
)

*/

 

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Answer 2

function multiply_array_elements($arr1, $arr2) {
    return $arr1 * $arr2;
    
}
 
$arr1 = array(1, 4, 8, 9, 6);
$arr2 = array(0, 7, 1, 3, 40);
         
print_r(array_map("multiply_array_elements", $arr1, $arr2));
 
 
 
 
/*
run:
 
Array
(
    [0] => 0
    [1] => 28
    [2] => 8
    [3] => 27
    [4] => 240
)

*/

 

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