public function setValue($settingName, $settingValue, $storeId = 0, $group = 'config')
{
$setting = Setting::model()->findByAttributes(array('key' => $settingName, 'store_id' => $storeId, 'group' => $group));
if (is_null($setting)) {
$setting = new Setting();
$setting->key = $settingName;
$setting->store_id = $storeId;
$setting->group = $group;
}
$setting->value = $settingValue;
$setting->save();
}