public function get($id)
{
$sth = $this->db->prepare('SELECT * FROM request_comments WHERE id = ?');
$sth->bindParam(1, $id, PDO::PARAM_INT);
$sth->execute();
$comment = $sth->fetch(PDO::FETCH_ASSOC);
if (!$comment) {
throw new Exception(L::get("COMMENT_NOT_EXIST"), 404);
}
return $comment;
}