3v4l.org

run code in 500+ PHP versions simultaneously
<?php interface i {} class x extends \Exception implements i {} try { throw new x(); } catch (i $x) { print "Caught!"; }
Output for 4.3.0 - 4.3.11, 4.4.0
Parse error: parse error, unexpected T_STRING in /in/JfE8M on line 3
Process exited with code 255.
Output for 5.0.0
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JfE8M on line 5 Fatal error: Uncaught exception 'x' in /in/JfE8M:8 Stack trace: #0 {main} thrown in /in/JfE8M on line 8
Process exited with code 255.
Output for 5.2.0
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JfE8M on line 5 Caught!
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Caught!

preferences:
32.38 ms | 1163 KiB | 11 Q