public function addStylesheet( $url )
    {
        $this->XML->appendChild( $this->XML->createProcessingInstruction( 'xml-stylesheet',
            sprintf( 'type="text/xsl" href="%s"', $url ) ) );
    }
public function addStylesheet( $url )
    {
        $this->XML->appendChild( $this->XML->createProcessingInstruction( 'xml-stylesheet',
            sprintf( 'type="text/xsl" href="%s"', $url ) ) );
    }
public function addStylesheet ( $ url ) { $ this -> XML -> appendChild ( $ this -> XML -> createProcessingInstruction ( 'xml-stylesheet' , sprintf ( 'type="text/xsl" href="%s"' , $ url ) ) ) ; }
Adds the XSL stylesheet to our document

@param $url
Adds the XSL stylesheet to our document