3v4l.org

run code in 500+ PHP versions simultaneously
<?php print_r(str_split('', 1)); print_r(mb_str_split('', 1)); print_r(explode('-', '')); print_r(preg_split('~-~', ''));
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34
Array ( [0] => ) Array ( ) Array ( [0] => ) Array ( [0] => )
Output for 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Array ( ) Array ( ) Array ( [0] => ) Array ( [0] => )
preferences:
30.62 ms | 1140 KiB | 9 Q