如何使用PHP将数组的值除以常量并保持关联键？

Question

I have following array:

Array
(
[ALFA] => 474
[BETA] => 359
[GAMMA] => 248
[DELTA] => 147
[EPSILON] => 137
[ZETA] => 135
)

and would like to divide it by a constant X, for example 213, so in the end I have following array as result:

Array
(
[ALFA] => 2.2253
[BETA] => 1.6854
[GAMMA] => 1.1643
[DELTA] => 0.6901
[EPSILON] => 0.6431
[ZETA] => 0.6338
)

I'm doing this

foreach($array as $v){
    $newArray[] = ($v / $divisor); //in our examploe $divisor = 213.
}    

but then the new array has indexed keys just like that:

Array
(
[0] => 2.2253
[1] => 1.6854
[2] => 1.1643
[3] => 0.6901
[4] => 0.6431
[5] => 0.6338
)

Many thanks in advance!

Answer 1

array_walk(
    $myArray,
    function(&$value) use ($divisor) {
        $value /= $divisor;
    }
);

Note that this changes the original array directly