3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface AdvancedUserInterface extends UserInterface {}
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Interface "UserInterface" not found in /in/Lajp3:2 Stack trace: #0 {main} thrown in /in/Lajp3 on line 2
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Interface 'UserInterface' not found in /in/Lajp3:2 Stack trace: #0 {main} thrown in /in/Lajp3 on line 2
Process exited with code 255.
Output for 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.23, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33
Fatal error: Interface 'UserInterface' not found in /in/Lajp3 on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'UserInterface' not found in /in/Lajp3 on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/Lajp3 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/Lajp3 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Lajp3 on line 2
Process exited with code 255.

preferences:
245.21 ms | 401 KiB | 344 Q