CakePHP 2.3.0 component $controller is not accessible -


i using cakephp 2.3.0, loading following component.

class breadcrumbscomponent extends component {  public $components = array(); public $controller = null;  public function initialize($controller) {  }  public function startup($controller) {     $this->controller = $controller; }  public function beforerender($controller) {  }  public function shutdown($controller) {  }  public function beforeredirect($controller, $url, $status = null, $exit = true) {  }  public function handle($controllername = null, $actionname = null) {     pr($this->controller->modelclass); }

}

it error following error

trying property of non-object [app\controller\component\breadcrumbscomponent.php, line 38]

i unable access $this->controller there. reason? how make work?

read here startup method called after controller need initialize controller in initialize method below,

public function initialize(&$controller, $settings = array()) {     $this->controller = $controller; }

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