3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface a { const AAA = 'txt'; } abstract class A implements a { const AAA = 'texte'; }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Cannot declare class A, because the name is already in use in /in/XLJqO on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Fatal error: Cannot redeclare class A in /in/XLJqO on line 7
Process exited with code 255.
preferences:
214.42 ms | 402 KiB | 272 Q