3v4l.org

run code in 300+ PHP versions simultaneously
<?php function reverse($string) { $substr1 = ""; $substr2 = ""; $strLength = strlen($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'));
Output for git.master, git.master_jit, rfc.property-hooks
string(4) "5412"

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
46.03 ms | 401 KiB | 8 Q