public static function lastEntry($user_id)
{
parent::dbCOnnect();
$query = "SELECT * FROM ad_list WHERE user_id = {$user_id} ORDER BY id DESC LIMIT 1;";
$results = parent::$dbc->query($query)->fetch(PDO::FETCH_ASSOC);
$ad_id = (int) $results['id'];
return $ad_id;
}
