3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Animal { public static function communicate(); public static function whatever(); } class Dog implements Animal { public static function communicate() { echo 'bark'; } public static function whatever() { } } class Cat implements Animal { public static function communicate() { echo 'meow'; } public static function whatever() { } }
Output for 7.1.25 - 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4

preferences:
206.78 ms | 403 KiB | 180 Q