3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x=5;/* this multiline comment */ $y=10; //this is global echo $y; echo '<br>'; function add(){ global $x,$y; $a=$x+$y; echo $a; } add(); echo $a;
based on OEXSo
Output for 5.0.4 - 7.2.0
10<br>15 Notice: Undefined variable: a in /in/8uOOB on line 12
Output for 4.3.0 - 5.0.3
10<br>15 Notice: Undefined variable: a in /in/8uOOB on line 12