/** * Returns a peer instance associated with this om. * * Since Peer classes are not to have any instance attributes, this method returns the * same instance for all member of this class. The method could therefore * be static, but this would prevent one from overriding the behavior. * * @return ClientePeer */ public function getPeer() { if (self::$peer === null) { self::$peer = new ClientePeer(); } return self::$peer; }