3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(preg_split('/-/', '', '-1', PREG_SPLIT_NO_EMPTY));
Output for 8.1.32 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(0) { }
preferences:
55.25 ms | 837 KiB | 4 Q