public static function setSiteApplication($application = null)
{
if (isset($application)) {
if (!self::siteApplicationExists($application)) {
trigger_error('Application \'' . $application . '\' does not exist for Site \'' . self::getSite() . '\', using default \'' . self::getDefaultSiteApplication() . '\'', E_USER_ERROR);
$application = null;
}
} else {
if (!empty($_GET)) {
$requested_application = osc_sanitize_string(basename(key(array_slice($_GET, 0, 1, true))));
if ($requested_application == self::getSite()) {
$requested_application = osc_sanitize_string(basename(key(array_slice($_GET, 1, 1, true))));
}
if (!empty($requested_application) && self::siteApplicationExists($requested_application)) {
$application = $requested_application;
}
}
}
if (empty($application)) {
$application = self::getDefaultSiteApplication();
}
self::$_application = $application;
}
