3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('a'); $k = next($a); echo $k; echo $k; // your code goes here
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.0
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/1Lr9b on line 6
Process exited with code 255.