3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $answer = 42; function show_answer() { echo $answer; } show_answer();
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: answer in /in/qRCe0 on line 6
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: answer in /in/qRCe0 on line 6