3v4l.org

run code in 300+ PHP versions simultaneously
<?php $phones = "89521632782,89521632782,89521632782,12"; $q = explode(",", $phones); $q1 = array($q); $result = array_unique($q1); print_r($q1); ?>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Array ( [0] => Array ( [0] => 89521632782 [1] => 89521632782 [2] => 89521632782 [3] => 12 ) )
preferences:
157.9 ms | 404 KiB | 204 Q