عدم اجرای __construct()

<?php namespace App;
use AppView;
class Controller
{
public function __construct()
{
echo "<strong style=color:gray;font-size:10pt;font-family:tahoma;>I'm Construct Method from Controller.</Strong><br/>";
}
protected function render($viewpath,$data)
{
View::render($viewpath,$data);
}
}


<?php namespace AppControllers;
use AppController as con;
class Index extends con
{
public function indexAction()
{
parent::render('index.index',array());
}
public function welcomeAction($fname,$lname)
{
parent::render('index.welcome',array('fname'=>$fname,'lname'=>$lname));
}
}