Menggunakan OpenFlashChart pada CodeIgniter

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
 
 
Class Statistic extends Controller {
 
	function Statistic(){
		parent::Controller();
		//$this->freakauth_light->check('user');
 
		//load the models
		$this->load->model('vouchermodel');
		$this->load->model('postpaidmodel');
		$this->load->model('billingplanmodel');
		$this->load->model('statisticmodel');
 
		//load radius helpers
		$this->load->helper('radius');
	}
 
	function index(){
		//security check
		$this->freakauth_light->check('user');
 
		$this->load->library('graph');
 
		//get billingplan 
		$bp_qty = array();
		$bp_label = array();
		$data['billingplans'] = $this->billingplanmodel->getBillingPlanStat();
		foreach ($data['billingplans']->result() as $billingplan) {
			$bp_qty[] = $billingplan->qty;
			$bp_label[] = $billingplan->billingplan;
		}
 
		//PIE chart, 60% alpha
		//
		$this->graph->pie(80,'#505050','{font-size: 12px; color: #404040;');
		//
		// pass in two arrays, one of data, the other data labels
		//
		$this->graph->pie_values( $bp_qty, $bp_label );
		//
		// Colours for each slice, in this case some of the colours
		// will be re-used (3 colurs for 5 slices means the last two
		// slices will have colours colour[0] and colour[1]):
		//
		$this->graph->pie_slice_colours( array('#d9db35','#487daf','#d00000','#4ae331') );
 
		$this->graph->set_tool_tip( '#val# Vouchers' );
		$this->graph->bg_colour = '#040404';
		$this->graph->title( 'Voucher Created', '{font-size:14px; color: #7F7772}' );
		$this->graph->set_output_type('js');
 
 
		//get the vouchers data
		$data['voucher'] = $this->vouchermodel->getVoucherStatistics();
 
		//get the postpaid account data
		$data['postpaid'] =  $this->postpaidmodel->getAccountStatistic();
 
		//get the who's online list
		$data['onlineuser'] = radius_get_online_users();
 
		$data['title'] = "Hotspot Statistics";
		$data['h1'] = "Hotspot Statistics";
 
		//$this->output->enable_profiler();
 
		$this->load->view('statistic/statistic_view',$data);
	}
 
}
 
?>

<?php $this->load->view('header') ?>
 
<h1><?=$h1?></h1>
 
<div id='voucher_info'>
<h3>Vouchers Info</h3>
<ul>
	<li><label>Vouchers Created</label><?=$voucher['created']?></li>
	<li><label>Used</label><?=$voucher['used']?></li>
	<li><label>Expired</label><?=$voucher['expired']?></li>
</ul>
<h3>Billing Plans</h3>
<ul>
	<?php foreach($billingplans->result() as $row):?>
	<li><label><?=$row->billingplan?></label><?=$row->qty?></li>
	<?php endforeach; ?>
</ul>
		<div id='graph'>
			<?=$this->graph->render()?>
		</div>
</div>
 
 
<div id='postpaid_info'>
<h3>Postpaid Account Info</h3>
<ul>
	<li><label>Account Created</label><?=$postpaid['created']?></li>
	<li><label>Used</label><?=$postpaid['used']?></li>
</ul>
</div>
 
 
<? $this->load->view('footer'); ?>