How to add page number in laravel dompdf?

I add $pdf->set_option('isPhpEnabled', true); is like this :

public function listdata()
{
    $data = User::all();

    $pdf=PDF::loadView('print_tests.test_pdf', ['data' => $data]);
    $pdf->set_option('isPhpEnabled', true);
    $pdf->setPaper('L', 'landscape');
    return $pdf->stream('test_pdf.pdf');
}

In body (View) I add like this :

<script type="text/php">
    if ( isset($pdf) ) { 
        $pdf->page_script('
            if ($PAGE_COUNT > 1) {
                $font = $fontMetrics->get_font("Arial, Helvetica, sans-serif", "normal");
                $size = 12;
                $pageText = "Page " . $PAGE_NUM . " of " . $PAGE_COUNT;
                $y = 15;
                $x = 520;
                $pdf->text($x, $y, $pageText, $font, $size);
            } 
        ');
    }
</script>   

There is exist error like this :

FatalThrowableError in PrintTestController.php line 21: Call to undefined method Barryvdh\DomPDF\PDF::set_option()

Note :

I using barryvdh/laravel-dompdf": "^0.7.0" (v0.7)

Is there any people who can help to me?