How can TCPDF be used to define the outer margins of a PDF in PHP?

To define the outer margins of a PDF using TCPDF in PHP, you can use the SetMargins() method provided by TCPDF. This method allows you to set the left, top, right, and bottom margins of the PDF document. By adjusting these margins, you can control the spacing between the content and the edges of the page.

// Include the TCPDF library
require_once('tcpdf/tcpdf.php');

// Create new TCPDF object
$pdf = new TCPDF();

// Set the outer margins (left, top, right, bottom)
$pdf->SetMargins(10, 10, 10, 10);

// Add content to the PDF document
$pdf->AddPage();
$pdf->SetFont('times', '', 12);
$pdf->Cell(0, 10, 'Hello, World!', 0, 1, 'C');

// Output the PDF as a file
$pdf->Output('example.pdf', 'D');