Are there any alternative methods or libraries that can be used to achieve the desired layout of text and barcode elements in a PDF document using PHP?

To achieve the desired layout of text and barcode elements in a PDF document using PHP, one alternative method is to use the TCPDF library. TCPDF is a popular PHP library for generating PDF documents and offers a wide range of functionality for creating complex layouts. By using TCPDF, you can easily add text and barcode elements to your PDF document and customize their positioning and styling.

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

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

// Add a new page
$pdf->AddPage();

// Set font
$pdf->SetFont('helvetica', '', 12);

// Add text
$pdf->Cell(0, 10, 'Hello World!', 0, 1, 'C');

// Add barcode
$pdf->write1DBarcode('123456789', 'C39', '', '', '', 18, 0.4, '', 'N');

// Output PDF to browser
$pdf->Output('example.pdf', 'I');