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run code in 300+ PHP versions simultaneously
<?php class Human { } class Animal { } interface FeelingsInterface { } class Person extends Human implements FeelingsInterface { } class Dog extends Animal implements FeelingsInterface { } $me = new Person(); $dog = new Dog(); var_dump(class_implements($me)); var_dump(class_implements($dog));

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39.76 ms | 402 KiB | 5 Q