3v4l.org

run code in 500+ PHP versions simultaneously
<?php interface Object {} class Foo implements Object {}
Output for 7.2.0 - 7.2.11, 8.3.5
Fatal error: Cannot use 'Object' as class name as it is reserved in /in/t2HHV on line 3
Process exited with code 255.
Output for 5.6.38, 7.1.0 - 7.1.23
preferences:
43.23 ms | 639 KiB | 3 Q