Online PHP editor | refs for k1WE5

<?php $test[] = 1253; $test[] = 1253; $test[] = 5342; $test2[] = 1253; $test2[] = 5342; $test2[] = 6478; $final = array_merge($test, $test2); echo '<pre>'; var_dump($final); echo '</pre>'; $final = array_unique($final); echo '<pre>'; var_dump($final); echo '</pre>'; $final = array_unique($final); echo '<pre>'; var_dump($final); echo '</pre>';