3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r( array_unique(explode(",", 'foo,bar,baz', -1)));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Array ( [0] => foo [1] => bar )
preferences:
48.97 ms | 402 KiB | 62 Q