protected function _nextTaggedLine(&$tag)
    {
        $line = $this->_nextLine();

        // seperate tag from line
        list($tag, $line) = explode(' ', $line, 2);

        return $line;
    }
protected function _nextTaggedLine(&$tag)
    {
        $line = $this->_nextLine();

        // seperate tag from line
        list($tag, $line) = explode(' ', $line, 2);

        return $line;
    }
protected function _nextTaggedLine ( & $ tag ) { $ line = $ this -> _nextLine ( ) ; // seperate tag from line list ( $ tag , $ line ) = explode ( ' ' , $ line , 2 ) ; return $ line ; }
get next line and split the tag. that's the normal case for a response line

@param  string $tag tag of line is returned by reference
@return string next line
@throws Zend_Mail_Protocol_Exception
get next line and split the tag . that s the normal case for a response line