3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Hello; how are you;Hey, I am fine"; $new = preg_split("/(?<! );(?! )/", $string); print_r($new);
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => Hello; how are you [1] => Hey, I am fine )
preferences:
104.19 ms | 407 KiB | 5 Q