Download the zip file from the following link HTML2PDF.ZIP and run any example to create pdf.
require_once dirname(__FILE__).'/vendor/autoload.php';
use Spipu\Html2Pdf\Html2Pdf;
use Spipu\Html2Pdf\Exception\Html2PdfException;
use Spipu\Html2Pdf\Exception\ExceptionFormatter;
$html2pdf = new Html2Pdf('P', 'A4', 'fr');
$html2pdf->writeHTML('<h3>hello</h3>');
$html2pdf->output('example01.pdf');
use Spipu\Html2Pdf\Html2Pdf;
use Spipu\Html2Pdf\Exception\Html2PdfException;
use Spipu\Html2Pdf\Exception\ExceptionFormatter;
$html2pdf = new Html2Pdf('P', 'A4', 'fr');
$html2pdf->writeHTML('<h3>hello</h3>');
$html2pdf->output('example01.pdf');