3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pole1 = array(1,15,18,19,22); $pole2 = array(2,7,18,19,23); $pole3 = array_diff($pole1, $pole2); var_dump($pole3); echo "\n\r"; var_dump(array_diff($pole2, $pole3));

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