3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?hh interface I { } new B(); class B implements I {}
based on 4plGQ

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for Arrow functions
Parse error: syntax error, unexpected 'interface' (T_INTERFACE) in /in/GDONO on line 2

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page