protected function loadMessages($category, $language)
{
$messages = parent::loadMessages($category, $language);
if (strpos($category, '*') > 0) {
return $messages;
}
$key = $category . '/' . $language;
if (!isset($this->_parentMessages[$key])) {
$parent = Yii::$app->getI18n()->getMessageSource($category . '*');
$oldMessages = $parent->loadMessages($category, $language);
$this->_parentMessages[$key] = array_merge($oldMessages, array_filter($messages));
}
return $this->_parentMessages[$key];
}
