Horde_Imap_Client_Socket::update PHP Method

    public function update(SplSubject $subject)
    {
        if (!empty($this->_init['imapproxy']) && $subject instanceof Horde_Imap_Client_Data_Capability_Imap) {
            $this->_setInit('enabled', $subject->isEnabled());
        }
        return parent::update($subject);
    }