3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?hh // strict echo "hello world";
based on UBstu
Output for hhvm-3.10.0 - 3.12.0
hello world
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/egYT5 on line 2
Process exited with code 255.