Sfneal\Helpers\Arrays\ArrayHelpers::sum()

Complexity

Conditions	4
Paths	4

Size

Total Lines	15
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	0

<?php
    public static function sum(...$arrays): array
    {
        $sum = [];

        foreach ($arrays as $array) {
            foreach ($array as $index => $value) {
                if (! array_key_exists($index, $sum)) {
                    $sum[$index] = $value;
                } else {
                    $sum[$index] += $value;
                }
            }
        }

        return $sum;
    }