protected function getSectionMultipartAlternative()
    {
        $output = $this->boundaryDelimiterLine('multipart/alternative')
                . $this->contentInfoString('text/plain')
                . $this->getSectionTextPlain()
                . $this->boundaryDelimiterLine('multipart/alternative')
                . $this->contentInfoString('text/html')
                . $this->getSectionTextHtml()
                . $this->finalBoundaryDelimiterLine('multipart/alternative')
        ;

        return $output;
    }
protected function getSectionMultipartAlternative()
    {
        $output = $this->boundaryDelimiterLine('multipart/alternative')
                . $this->contentInfoString('text/plain')
                . $this->getSectionTextPlain()
                . $this->boundaryDelimiterLine('multipart/alternative')
                . $this->contentInfoString('text/html')
                . $this->getSectionTextHtml()
                . $this->finalBoundaryDelimiterLine('multipart/alternative')
        ;

        return $output;
    }
protected function getSectionMultipartAlternative ( ) { $ output = $ this -> boundaryDelimiterLine ( 'multipart/alternative' ) . $ this -> contentInfoString ( 'text/plain' ) . $ this -> getSectionTextPlain ( ) . $ this -> boundaryDelimiterLine ( 'multipart/alternative' ) . $ this -> contentInfoString ( 'text/html' ) . $ this -> getSectionTextHtml ( ) . $ this -> finalBoundaryDelimiterLine ( 'multipart/alternative' ) ; return $ output ; }
Build multipart email section. Used by sendmail and smtp classes to
send multipart email.

Will return a string containing the section. Can be used to send to
an email server directly.
@return string
Build multipart email section . Used by sendmail and smtp classes to send multipart email .