/**
* Suggests tags based on the current user input.
* This is called via AJAX when the user is entering the tags input.
*/
public function actionSuggestTags()
{
if (isset($_GET['term']) && ($keyword = trim($_GET['term'])) !== '') {
$model = new Tag();
$tags = $model->suggestTags($keyword);
if ($tags !== array()) {
echo Json::encode($tags);
}
}
}