3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?hh echo phpversion();
Output for hhvm-3.10.0 - 3.12.0
5.6.99-hhvm
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/kJnEJ on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.29
<?hh echo phpversion();