3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x=5;/* this multiline comment */ $y=10; //this is global echo $y; echo '<br>'; function add(){ $GLOBALS['a']=$GLOBALS['x']+$GLOBALS['y']; } add(); echo $a;
based on 9XBFo
Output for 4.3.0 - 7.1.0
10<br>15