Thread

Class A {
    function A () {//constructor
        include ( 'db.php' );
        $this->db = new DB();//responsible for database operations
        $this->C = new C();//when instanciated, should echo those records
    }

    function get_records () {//returns a number
        return $this->db->RecordCount ( 'SELECT * FROM bla bla' );
    }
}

$class = new A();

Class C {
    global $class;
    function C () {//constructor
        echo $class->get_records ();
    }
}

echo $class->get_records ();

class A
{
  function A()
  {
    include('db.php');
    $this->db = new db();
  }
  function get_records()
  {
    return $this->db->RecordCount('...');
  }
}

class C extends A
{
  function show_records()
  {
    echo parent::get_records();
  }
}

$c = new C();
$c->show_records();