3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace foo\bar; define (' ', 1); var_dump(constant(' '));
based on NWI9d
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0beta1
int(1)