<?php $a = [ 'one' => 1, 'two' => 2, 'three' => 3, 'four' => 4, 'five' => 5, 'six' => 6 ]; $b = [ 'one' => 'uno', 'three' => 'tres', 'two' => 'dos', 'four' => 'cuatro', 'five' => 'cinco' ]; $result = []; foreach ($a as $k => $v) { $result[] = [$v, $b[$k] ?? null]; } var_export($result);
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