Source Code : Defining an interface

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Defining an interface

 
interface Nameable {
    public function getName();
    public function setName($name);
}

class Book implements Nameable {
    private $name;

    public function getName() {
        return $this->name;
    }
    
    public function setName($name) {
        return $this->name = $name;
    }
}
  
  

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