3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo extends Error {} class Bar implements Throwable {}
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Class Bar cannot implement interface Throwable, extend Exception or Error instead in /in/8hgAu on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Class 'Error' not found in /in/8hgAu on line 3
Process exited with code 255.
preferences:
193.29 ms | 402 KiB | 198 Q