Javascript Minify for Zend_View

<?php/** * Minify Head Javascript script files. *  * @package default */class Zend_View_Helper_MinifyScript extends Zend_View_Helper_HeadScript{    public function minifyScript()    {    	$scripts = array();    	foreach ($this as $item)    	{    		if ($item->type == 'text/javascript' &&    			!empty($item->attributes) &&    			!empty($item->attributes['src']))    		{    			$scripts[] = $item->attributes['src'];    		}    	}    	    	$item = new stdClass();    	$item->type = 'text/javascript';    	$item->attributes = array();    	$item->attributes['src'] = $this->getMinUrl() . '?f=' . implode(',', $scripts);    	    	return $this->itemToString($item, null, null, null);    }        private function getMinUrl()    {    	return $this->getBaseUrl() . '/min/';    }        private function getBaseUrl()    {    	return $this->view->baseUrl();    }    }?>