<?php $array = [ 'A1' => [1,0,0,0,0,0,0,0,0,0], 'A2' => [1,1,0,0,0,0,0,0,0,0], 'A3' => [0,0,0,0,0,0,0,0,0,0] ]; var_export(array_map('array_sum', array_map(null, ...array_values($array))));
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