<?php $array1 = [ ['Out Of Warranty', 'Total Orders', 'Total Qty', 'Canceled Orders'], ['Today<br/>(04-26-2020)', 1, 1, 0], ['Yesterday<br/>(04-25-2020)', 0, 0, 0], ['This Week<br/>(04-20-2020 - 04-26-2020)', 22, 39, 0], ['Last Week<br/>(04-13-2020 - 04-19-2020)', 7, 7, 0], ['This Month<br/>(04-01-2020 - 04-26-2020)', 29, 46, 0], ['This Year<br/>(01-01-2020 - 04-26-2020)', 30, 47, 0], ]; $array2 = [ ['Out Of Warranty', 'Total Orders', 'Total Qty', 'Canceled Orders'], ['Today<br/>(04-24-2020)', 10, 10, 0], ['Yesterday<br/>(04-23-2020)', 7, 7, 0], ['This Week<br/>(04-20-2020 - 04-24-2020)', 51, 51, 0], ['Last Week<br/>(04-13-2020 - 04-19-2020)', 31, 31, 0], ['This Month<br/>(04-01-2020 - 04-24-2020)', 93, 93, 0], ['This Year<br/>(01-01-2020 - 04-24-2020)', 1281, 1281, 1], ]; for ($i = 1, $size = count($array2); $i < $size; ++$i) { for ($col = 1; $col <= 3; ++$col) { $array1[$i][$col] += $array2[$i][$col]; } } var_export($array1);
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