/**
* Check to see the installed version is up to date or not
*
* @return int 0 : error, 1 : Up to date, 2 : outof date
*/
function check_update()
{
$installedVersion = OSMembershipHelper::getInstalledVersion();
$result = array();
$result['status'] = 0;
if (function_exists('curl_init')) {
$url = 'http://joomdonationdemo.com/versions/membershippro.txt';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$latestVersion = curl_exec($ch);
curl_close($ch);
if ($latestVersion) {
if (version_compare($latestVersion, $installedVersion, 'gt')) {
$result['status'] = 2;
$result['message'] = JText::sprintf('OSM_UPDATE_CHECKING_UPDATEFOUND', $latestVersion);
} else {
$result['status'] = 1;
$result['message'] = JText::_('OSM_UPDATE_CHECKING_UPTODATE');
}
}
}
echo json_encode($result);
JFactory::getApplication()->close();
}