3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x=5; $y=10; function myTest() { global $x,$y; $y=$x+$y; } myTest(); // run function echo $y; // output the new value for variable $y ?> </body> </html>
Output for 4.3.0 - 7.1.0
15 </body> </html>