public function setMetaTitle(string $str): PdfInterface
    {
        $this->setProperty('metaTitle', $str);
        $this->mpdf->SetTitle($this->metaTitle);

        return $this;
    }
public function setMetaTitle(string $str): PdfInterface
    {
        $this->setProperty('metaTitle', $str);
        $this->mpdf->SetTitle($this->metaTitle);

        return $this;
    }
public function setMetaTitle ( string $ str ) : PdfInterface { $ this -> setProperty ( 'metaTitle' , $ str ) ; $ this -> mpdf -> SetTitle ( $ this -> metaTitle ) ; return $ this ; }
Set PDF Meta Title.

@param string $str  The page title

@return PdfInterface The current instance
Set PDF Meta Title .