3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr_database = array("V1", "V2", "V5", "V6", "V7", "V10"); $arr_custom = array("V1", "V2", "V3", "V4", "V5", "V6", "V7", "V8", "V9", "V10"); $arr_output = array_diff($arr_custom, $arr_database); print_r($arr_output);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.3.6
Array ( [2] => V3 [3] => V4 [7] => V8 [8] => V9 )
preferences:
242.33 ms | 406 KiB | 330 Q