3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements Bar { } interface Bar { public static function getLabelDefinitions(); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 Foo contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Bar::getLabelDefinitions) in /in/U1rDV on line 3
Process exited with code 255.
Output for 5.4.9 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Class Foo contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Bar::getLabelDefinitions) in /in/U1rDV on line 6
Process exited with code 255.
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185.28 ms | 402 KiB | 264 Q