3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(isset(__CLASS__));
Output for hhvm-3.10.0 - 3.12.0
bool(true)
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '__CLASS__' (T_CLASS_C) in /in/KgR73 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_CLASS_C in /in/KgR73 on line 2
Process exited with code 255.