<?php $ar1 = [[3,4],[6,1]]; $ar2 = [[44,1],[3,2]]; foreach($ar1 as $ind => $ar){ $res[] = array_sum(array_column($ar1,$ind)); } print_r($res); foreach($ar2 as $ind => $ar){ $res2[] = array_sum(array_column($ar2,$ind)); } print_r($res2);
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