3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ["m" => 0,"b" => 1, "k" => 2,"a" => 3]; echo current($arr); // what is current position next($arr); // move current position echo current($arr); // mwhat is current position $key = array_keys($arr)[0]; echo current($arr); // make sure the position has not changed echo $key;
Output for git.master, git.master_jit, rfc.property-hooks
011m

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:
33.89 ms | 405 KiB | 5 Q