PHP Child class accessing object in Parent class

Question

class bm_main {

    public $db;

    public function __construct(){

        $this->db = new db();
    }

}

class bm extends bm_main{

    public function __construct($id){
        $this->db = parent::$db;
            $this->db->save($id);
    }
}

How to access the $db object from parent class so i can use it in the child one

BoltClock · Accepted Answer · 2011-02-18 10:04:15Z

4

Call the parent constructor so the db class is instantiated:

    public function __construct($id) {
        parent::__construct();
        $this->db->save($id);
    }

The $db property is inherited by the subclass, and is public, so you can access it using $this->db.

answered Feb 18, 2011 at 10:04

BoltClock

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2 Comments

Stasa Over a year ago

thank you but i can't do this because parent constructor calls other methods that i won't call any other suggestions

BoltClock Over a year ago

@Stasa: -rolls eyes- you could have said so... move your $this->db = new db(); to its own method and have your parent and child constructors call that.

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