public function toString(): string
    {
        $parts = array_map(
            function (AttributeTypeAndValue $tv) {
                return $tv->toString();
            }, $this->_attribs);
        return implode("+", $parts);
    }
public function toString(): string
    {
        $parts = array_map(
            function (AttributeTypeAndValue $tv) {
                return $tv->toString();
            }, $this->_attribs);
        return implode("+", $parts);
    }
public function toString ( ) : string { $ parts = array_map ( function ( AttributeTypeAndValue $ tv ) { return $ tv -> toString ( ) ; } , $ this -> _attribs ) ; return implode ( "+" , $ parts ) ; }
Get name-component string conforming to RFC 2253.

@link https://tools.ietf.org/html/rfc2253#section-2.2
@return string
Get name - component string conforming to RFC 2253 .