} else {
if ($EXTERN_ALLOW_ACCESS_WITHOUT_CONFIG) {
// use default configuraion
$default = 'DEFAULT';
$config_id = '';
} else {
echo $EXTERN_ERROR_MESSAGE;
exit;
}
}
}
// if there is no global_id or global_name, take the DEFAULT global configuration
if ($global_name) {
// check for valid configuration name and convert it into a config_id
if (!$global_id = ExternConfig::GetConfigurationByName($range_id, $type, $config_name)) {
echo $EXTERN_ERROR_MESSAGE;
exit;
}
}
elseif (!$global_id) {
// check for standard configuration
if ($id = ExternConfig::GetGlobalConfiguration($range_id))
$global_id = $id;
else {
// use no global configuration
$global_id = NULL;
}
}
// sem == -1: show data from last semester
