3v4l.org

run code in 500+ PHP versions simultaneously
<?php namespace Foo; interface AnException extends \Throwable{} class Bar implements AnException{}
Output for 8.5.0 - 8.5.8
Fatal error: Class Foo\Bar cannot implement interface Throwable, extend Exception or Error instead in /in/kgWmT on line 7 Stack trace: #0 {main}
Process exited with code 255.
Output for 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 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23
Fatal error: Class Foo\Bar cannot implement interface Throwable, extend Exception or Error instead in /in/kgWmT on line 7
Process exited with code 255.
Output for 5.6.38
Fatal error: Interface 'Throwable' not found in /in/kgWmT on line 5
Process exited with code 255.
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108.32 ms | 1544 KiB | 4 Q