/**
* Check if the current installation is up to date
* The code is borrowed from phpBB and slighlty modified
* @author The phpBB Group <*****@*****.**> (the code)
* @author Patrick Cool <*****@*****.**>, Ghent University (the modifications)
* @author Yannick Warnier <*****@*****.**> for the move to HTTP request
* @copyright (C) 2001 The phpBB Group
* @return string language string with some layout (color)
*/
function check_system_version()
{
global $_configuration;
$system_version = trim($_configuration['system_version']);
// the chamilo version of your installation
if (ini_get('allow_url_fopen') == 1) {
// The number of courses
$number_of_courses = Statistics::count_courses();
// The number of users
$number_of_users = Statistics::count_users();
$number_of_active_users = Statistics::count_users(null, null, null, true);
// The number of sessions
$number_of_sessions = Statistics::count_sessions();
$data = array('url' => api_get_path(WEB_PATH), 'campus' => api_get_setting('platform.site_name'), 'contact' => api_get_setting('platform.administrator_email'), 'version' => $system_version, 'numberofcourses' => $number_of_courses, 'numberofusers' => $number_of_users, 'numberofactiveusers' => $number_of_active_users, 'numberofsessions' => $number_of_sessions, 'donotlistcampus' => api_get_setting('donotlistcampus'), 'organisation' => api_get_setting('platform.institution'), 'language' => api_get_setting('platformLanguage'), 'adminname' => api_get_setting('platform.administrator_name') . ' ' . api_get_setting('platform.administrator_surname'));
$res = api_http_request('version.chamilo.org', 80, '/version.php', $data);
if ($res != 0) {
$version_info = $res;
if ($system_version != $version_info) {
$output = '<br /><span style="color:red">' . get_lang('YourVersionNotUpToDate') . '. ' . get_lang('LatestVersionIs') . ' <b>Chamilo ' . $version_info . '</b>. ' . get_lang('YourVersionIs') . ' <b>Chamilo ' . $system_version . '</b>. ' . str_replace('http://www.chamilo.org', '<a href="http://www.chamilo.org">http://www.chamilo.org</a>', get_lang('PleaseVisitOurWebsite')) . '</span>';
} else {
$output = '<br /><span style="color:green">' . get_lang('VersionUpToDate') . ': Chamilo ' . $version_info . '</span>';
}
} else {
$output = '<span style="color:red">' . get_lang('ImpossibleToContactVersionServerPleaseTryAgain') . '</span>';
}
} else {
$output = '<span style="color:red">' . get_lang('AllowurlfopenIsSetToOff') . '</span>';
}
return $output;
}
/**
* Check if the current installation is up to date
* The code is borrowed from phpBB and slighlty modified
* @author The phpBB Group <*****@*****.**> (the code)
* @author Patrick Cool <*****@*****.**>, Ghent University (the modifications)
* @author Yannick Warnier <*****@*****.**> for the move to HTTP request
* @copyright (C) 2001 The phpBB Group
* @return string language string with some layout (color)
*/
function check_system_version()
{
global $_configuration;
$system_version = trim($_configuration['system_version']);
// the chamilo version of your installation
if (ini_get('allow_url_fopen') == 1) {
// The number of courses
$number_of_courses = Statistics::count_courses();
// The number of users
$number_of_users = Statistics::count_users();
$number_of_active_users = Statistics::count_users(null, null, null, true);
// The number of sessions
$number_of_sessions = Statistics::count_sessions();
$data = array('url' => api_get_path(WEB_PATH), 'campus' => api_get_setting('siteName'), 'contact' => api_get_setting('emailAdministrator'), 'version' => $system_version, 'numberofcourses' => $number_of_courses, 'numberofusers' => $number_of_users, 'numberofactiveusers' => $number_of_active_users, 'numberofsessions' => $number_of_sessions, 'donotlistcampus' => api_get_setting('donotlistcampus'), 'organisation' => api_get_setting('Institution'), 'language' => api_get_setting('platformLanguage'), 'adminname' => api_get_setting('administratorName') . ' ' . api_get_setting('administratorSurname'));
$version = null;
// version.php has been updated to include the version in an HTTP header
// called "X-Chamilo-Version", so that we don't have to worry about
// issues with the content not being returned by fread for some reason
$res = _http_request('version.chamilo.org', 80, '/version.php', $data, 5, null, true);
$lines = preg_split('/\\r\\n/', $res);
foreach ($lines as $line) {
$elements = preg_split('/:/', $line);
// extract the X-Chamilo-Version header from the version.php response
if (strcmp(trim($elements[0]), 'X-Chamilo-Version') === 0) {
$version = trim($elements[1]);
}
}
if (substr($res, 0, 5) != 'Error') {
if (empty($version)) {
$version_info = $res;
} else {
$version_info = $version;
}
if ($system_version != $version_info) {
$output = '<br /><span style="color:red">' . get_lang('YourVersionNotUpToDate') . '. ' . get_lang('LatestVersionIs') . ' <b>Chamilo ' . $version_info . '</b>. ' . get_lang('YourVersionIs') . ' <b>Chamilo ' . $system_version . '</b>. ' . str_replace('http://www.chamilo.org', '<a href="http://www.chamilo.org">http://www.chamilo.org</a>', get_lang('PleaseVisitOurWebsite')) . '</span>';
} else {
$output = '<br /><span style="color:green">' . get_lang('VersionUpToDate') . ': Chamilo ' . $version_info . '</span>';
}
} else {
$output = '<span style="color:red">' . get_lang('ImpossibleToContactVersionServerPleaseTryAgain') . '</span>';
}
} else {
$output = '<span style="color:red">' . get_lang('AllowurlfopenIsSetToOff') . '</span>';
}
return $output;
}
