What potential issues can arise when printing PDF files directly from a browser using fpdf in PHP, compared to printing through a PDF viewer like Adobe Reader?

Potential issues that can arise when printing PDF files directly from a browser using fpdf in PHP include incorrect formatting, missing fonts, and limited printing options. To solve this, it is recommended to generate the PDF file and then prompt the user to download and print it using a PDF viewer like Adobe Reader. 

// Generate the PDF file using fpdf
$pdf = new FPDF();
$pdf->AddPage();
$pdf->SetFont('Arial','B',16);
$pdf->Cell(40,10,'Hello World');
$pdf->Output('D','example.pdf');

// Prompt the user to download the PDF file
header('Content-Type: application/pdf');
header('Content-Disposition: attachment; filename="example.pdf"');
readfile('example.pdf');
exit;

Keywords

fpdf browser printing PDF viewer Adobe Reader compatibility issues

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