3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['AAA','BBB','CCC']; unset($arr['BBB']); echo implode(",",$arr) ; //AAA,CCC
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.27, 8.0.0 - 8.0.15, 8.1.0 - 8.1.2
AAA,BBB,CCC

preferences:
45.31 ms | 460 KiB | 5 Q