An interface in PHP OOP is a contract that specifies what methods a class ______.

  • must implement
  • can extend
  • should override
  • cannot inherit
An interface in PHP OOP is indeed a contract that specifies what methods a class must implement. It establishes a set of rules that a class must follow when implementing the interface. The interface defines the method signatures that the implementing class must provide an implementation for. By adhering to the interface, the class ensures that it provides the required behavior and functionality. Interfaces allow for polymorphism and provide a way to define a common interface that multiple classes can adhere to. To learn more, visit: http://php.net/manual/en/language.oop5.interfaces.php
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