3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo() { $foo = ''; function bar() { global $foo; var_dump($foo); } var_dump($foo); } foo();
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
string(0) ""
Output for hhvm-3.10.0

Process exited with code 153.