How do I get a PHP class constructor to call its parent's parent's constructor?

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滥情空心
滥情空心 2020-11-28 21:38

I need to have a class constructor in PHP call its parent\'s parent\'s (grandparent?) constructor without calling the parent constructor.

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15条回答
  •  一生所求
    2020-11-28 22:05

    // main class that everything inherits
    class Grandpa 
    {
        public function __construct()
        {
            $this->___construct();
        }
    
        protected function ___construct()
        {
            // grandpa's logic
        }
    
    }
    
    class Papa extends Grandpa
    {
        public function __construct()
        {
            // call Grandpa's constructor
            parent::__construct();
        }
    }
    
    class Kiddo extends Papa
    {
        public function __construct()
        {
            parent::___construct();
        }
    }
    

    note that "___construct" is not some magic name, you can call it "doGrandpaStuff".

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