<?php declare(strict_types=1); $a = [ 0 => 2, 1 => 8, 2 => 10 ]; $b = [ 0 => 5, 1 => 2, 2 => 7 ]; $c = [ 0 => 7, 1 => 4, 2 => 2 ]; function arraysSum(array ...$arrays): array { return array_map(function(array $array): int { return array_sum($array); }, $arrays); } $ar = arraysSum($a,$b,$c); print_r($ar);
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