3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1,2,3,4); echo next($a); echo current($a)===null; echo next($a); echo current($a)===null; echo next($a); echo current($a)===null; echo next($a); echo current($a)===null;
Output for 4.3.0 - 7.1.0
234