What are the potential issues with setting page margins in mpdf for PDF printing?

Setting page margins in mpdf for PDF printing can sometimes lead to unexpected results, such as content being cut off or not aligning correctly. To solve this issue, it is important to ensure that the margins are set appropriately based on the content being printed and the page size. Additionally, adjusting the padding or layout of the content may also help to prevent any issues with page margins.

<?php

require_once __DIR__ . '/vendor/autoload.php';

$mpdf = new \Mpdf\Mpdf();

// Set custom page margins
$mpdf->SetMargins(15, 15, 15, 15);

// Add content to the PDF
$mpdf->WriteHTML('<h1>Hello, World!</h1>');

// Output the PDF
$mpdf->Output('filename.pdf', 'D');