3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo callable;
Output for 5.4.0 - 5.4.16
Parse error: syntax error, unexpected 'callable' (T_CALLABLE) in /in/pubWK on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant callable - assumed 'callable' in /in/pubWK on line 3 callable