3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class B{ const X = 43; const Y = strtoupper('a'); }
based on Fart3
Output for 7.0.0
Fatal error: Constant expression contains invalid operations in /in/6uhWI on line 5
Process exited with code 255.
Output for 5.3.20 - 5.6.16
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/6uhWI on line 5
Process exited with code 255.