public static function allByUser($user_id)
{
parent::dbConnect();
$query = "SELECT * FROM " . self::$table . " WHERE user_id = :user_id";
$stmt = parent::$dbc->prepare($query);
$stmt->bindValue(':user_id', (int) $user_id, PDO::PARAM_INT);
$stmt->execute();
$ads = $stmt->fetchAll(PDO::FETCH_ASSOC);
return $ads;
}
