: The key header for forcing downloads. Using the attachment directive prompts the browser to save the file. php pdf download header
: Tells the browser what kind of data it's receiving. For PDFs, use application/pdf . : The key header for forcing downloads
For more robust implementations, especially in production environments, consider adding caching and security headers: especially in production environments
: Informs the browser of the file size, allowing it to display a progress bar. Basic Implementation Example