Horde_Imap_Client_Socket::_initCapability PHP Method

    protected function _initCapability()
    {
        // Need to use connect call here or else we run into loop issues
        // because _connect() can generate the capability object internally.
        $this->_connect();
        // It is possible the server provided capability information on
        // connect, so check for it now.
        if (!isset($this->_init['capability'])) {
            $this->_sendCmd($this->_command('CAPABILITY'));
        }
    }