/**
* Return the names of the existing feeds so they are not removed
* @return array
*/
public function purgeOldFeeds()
{
$arrFeeds = array();
$objFeeds = \SermonFeedModel::findAll();
if ($objFeeds !== null) {
while ($objFeeds->next()) {
$arrFeeds[] = $objFeeds->alias ?: 'sermon' . $objFeeds->id;
}
}
return $arrFeeds;
}
