/**
* Read tags from database
* @return string
*/
protected function readTags()
{
$arrTags = array();
$tags = \TagModel::findByIdAndTable($this->activeRecord->id, $this->table);
if ($tags) {
while ($tags->next()) {
array_push($arrTags, $tags->tag);
}
}
return count($arrTags) ? implode(",", $arrTags) : '';
}
