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<?php var_dump(array_diff(array_combine(array(1, 2, 4), array(1, 2, 5)), array_intersect(array(1, 2, 4),array(1, 2, 5)))); var_Dump(array(1, 2, 4)+array(1, 2, 5));
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42.67 ms | 402 KiB | 5 Q