What are the common pitfalls when trying to print a PDF file from PHP and how can they be avoided?

Common pitfalls when trying to print a PDF file from PHP include not setting the correct headers, not properly handling file paths, and not using the correct PDF library. To avoid these issues, make sure to set the appropriate headers, use the correct file path, and utilize a reliable PDF library like TCPDF or FPDF. 

// Set the appropriate headers
header('Content-Type: application/pdf');
header('Content-Disposition: inline; filename="example.pdf"');

// Specify the file path
$pdfFilePath = 'path/to/your/pdf/file.pdf';

// Output the PDF file
readfile($pdfFilePath);

Keywords

PHP PDF printing library error

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