3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace Foo { namespace Bar { } }
Output for hhvm-3.10.0 - 3.12.0
Output for 5.3.0 - 5.4.21
Fatal error: Namespace declarations cannot be nested in /in/WQmlj on line 3
Process exited with code 255.