3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class First extends Second{} class Second extends Third{} class Third{}
based on 9WJFq
Output for 5.0.0 - 7.2.0
Fatal error: Class 'Second' not found in /in/OagWu on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Class first: Cannot inherit from undefined class second in /in/OagWu on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Class first: Cannot inherit from undefined class second in /in/OagWu on line 3