margin in mpdf code example

Example: mpdf margin

<?php
$mpdf = new \Mpdf\Mpdf([
			'mode' => '',
			'format' => 'A4',
			'default_font_size' => 0,
			'default_font' => '',
			'margin_left' => 15,
			'margin_right' => 15,
			'margin_top' => 16,
			'margin_bottom' => 16,
			'margin_header' => 9,
			'margin_footer' => 9,
			'orientation' => 'P',
		]);
$mpdf->WriteHTML('Hello World');

// Saves file on the server as 'filename.pdf'
$mpdf->Output('filename.pdf', \Mpdf\Output\Destination::FILE);