3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function reverse($string) { $substr1 = array(); $substr2 = array(); $strLength = strlen($string)-1; for ($i = 0; $i < ($strLength / 2); $i++) { $substr1[] = $string[$strLength-$i]; $substr2[] = $string[$i]; } //var_dump($substr1); //var_dump($substr2); return $string = $substr1 + $substr2; } var_dump(reverse('12345'));
based on geGtr
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> string(1) "5" [1]=> string(1) "4" }