What are the common pitfalls when using PHP to display PDF files in an iFrame?

Common pitfalls when using PHP to display PDF files in an iFrame include issues with headers being sent before the PDF content, leading to corrupted or empty PDF files being displayed. To solve this, make sure to set the correct content type and headers before outputting the PDF content. 

<?php
// Set the content type to PDF
header('Content-Type: application/pdf');

// Set the content disposition to inline to display the PDF in the browser
header('Content-Disposition: inline; filename="example.pdf"');

// Output the PDF content
readfile('path/to/your/pdf/file.pdf');
?>

Keywords

PHP PDF iFrame display pitfalls

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