3v4l.org

run code in 500+ PHP versions simultaneously
<?php $pattern = '/-/'; var_dump(preg_split($pattern, '', '-1', (string) PREG_SPLIT_NO_EMPTY));
Output for 8.1.32 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
array(0) { }
preferences:
51.88 ms | 889 KiB | 4 Q