3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = "bar"; function outer () { var_dump( $foo ); } outer(); ?>
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: foo in /in/JJSbh on line 6 NULL
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: foo in /in/JJSbh on line 6 NULL