3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pool1 = array(111, 222, 333, 444); $pool2 = array(555, 666, 777, 888); $numbers1 = array_combine($pool1, $pool1); $numbers2 = array_combine($pool2, $pool2); $numbers = $numbers1 + $numbers2; var_dump($numbers1, $numbers2, $numbers);

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34.28 ms | 405 KiB | 5 Q