gistfile1.php

$dompdf = new DOMPDF;
$dompdf->load_html('<p>hello world</p><p style="page-break-before: always;">hello again</p>');
$dompdf->get_canvas()->page_script('
	if ($PAGE_COUNT > 1) {
		$font = Font_Metrics::get_font("yourfont", "normal");
		$size = 9;
		$pageText = "Page " . $PAGE_NUM . " of " . $PAGE_COUNT;
		$y = $pdf->get_height() - 24;
		$x = $pdf->get_width() - 15 - Font_Metrics::get_text_width($pageText, $font, $size);
		$pdf->text($x, $y, $pageText, $font, $size);
	}        
');
$dompdf->render();
$dompdf->stream();