3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function vietchu() { $chu="Chữ viết"; echo $chu; } vietchu(); echo $chu;
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Chữ viết Notice: Undefined variable: chu in /in/93KKU on line 30
Output for 4.3.0 - 5.0.3
Chữ viết Notice: Undefined variable: chu in /in/93KKU on line 30