Mini Shell

<?php
/**
* @package   BaForms
* @author    Balbooa http://www.balbooa.com/
* @copyright Copyright @ Balbooa
* @license   http://www.gnu.org/licenses/gpl.html GNU/GPL
*/

defined('_JEXEC') or die;

abstract class baformsHelper 
{
    public static function aboutUs()
    {
        $db = JFactory::getDbo();
        $query = $db->getQuery(true);
        $query->select("manifest_cache");
        $query->from("#__extensions");
        $query->where("type=" .$db->quote('component'))
            ->where('element=' .$db->quote('com_baforms'));
        $db->setQuery($query);
        $about = $db->loadResult();
        $about = json_decode($about);
        return $about;
    }
    
    public static function checkUpdate($version)
    {
        $version = explode('.', $version);
        $url = 'http://www.balbooa.com/updates/baforms/com_baforms_update.xml';
        $curl = self::getContentsCurl($url);
        $xml = simplexml_load_string($curl);
        $newVersion = (string)$xml->version;
        $newVersion = explode('.', $newVersion);
        if ($newVersion[0]*1 > $version[0]*1) {
            return false;
        } else {
            if ($newVersion[1]*1 > $version[1]*1) {
                return false;
            } else {
                if ($newVersion[2]*1 > $version[2]*1) {
                    return false;
                } else {
                    return true;
                }
            }
        }
    }
    
    public static function getContentsCurl($url)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_URL, $url);
        $data = curl_exec($ch);
        curl_close($ch);
        
        return $data;
    }
    
    public static function addSubmenu($vName)
	{
		JHtmlSidebar::addEntry(
            JText::_('Forms'),
			'index.php?option=com_baforms&view=forms',
			$vName == 'forms'
		);
        JHtmlSidebar::addEntry(
            JText::_('Submissions'),
			'index.php?option=com_baforms&view=submissions',
			$vName == 'Submissions'
		);
    }
}