3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "1+hello/world"; $e = explode("/", $s); $f = strpos($s, "af+"); $pattern = '/([\+-\/])/'; $r = preg_split($pattern, $s, -1, PREG_SPLIT_DELIM_CAPTURE); var_dump($r);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(5) { [0]=> string(1) "1" [1]=> string(1) "+" [2]=> string(5) "hello" [3]=> string(1) "/" [4]=> string(5) "world" }

preferences:
239.66 ms | 406 KiB | 366 Q