3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $b = new A; class C extends B {} class B extends A {} class A {}
Output for 5.0.0 - 5.6.28, 7.0.0 - 7.1.0
Fatal error: Class 'B' not found in /in/Zv2jF on line 3
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught Error: unknown class B in /in/Zv2jF:3 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.10.0
Fatal error: unknown class B in /in/Zv2jF on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Class c: Cannot inherit from undefined class b in /in/Zv2jF on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Class c: Cannot inherit from undefined class b in /in/Zv2jF on line 3