application/controllers/StatsController.php


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<?php

class StatsController extends Zend_Controller_Action
{

    public function init()
    {
        $this->_helper->layout->disableLayout();
		$this->_helper->viewRenderer->setNoRender();
    }
    
    public function graphgroupAction(){
    	
		$userIDsNamespace = Zend_Session::namespaceGet('userIDs');		
		
		if(isset($userIDsNamespace['groupID'])){
			header("Content-Type: image/png");
			header("Expires: 0"); 
			$n = new Pbs_Graph();
			
			$level = $this->_request->getParam('level');
			if(is_numeric($level) && $level != ''){
				$n->setHiglightLevel($level);
			}
			
		   echo $n->graph($userIDsNamespace['groupID']);
		}		
    }
}