<?php class par { private $id = "foo"; function displayMe() { $this->displayChild(); } } class chld extends par { private $id = "bar"; function displayChild() { print $this->id; } } $obj = new chld(); $obj->displayMe();
<?php class par { private $id = "foo"; function displayMe() { print $this->id; } } class chld extends par { public $id = "bar"; function displayHim() { parent::displayMe(); } } $obj = new chld(); $obj->displayHim();