3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Object {} class Foo implements Object {}
Output for 7.2.0 - 7.2.11
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:
169.94 ms | 1395 KiB | 44 Q