Php Header Download File Name !!link!! -

To trigger a download and suggest a specific filename, use the following header:

To correctly serve a file, you typically need to send several headers together to ensure the browser understands the file type and size.

$encoded_name = rawurlencode($filename); header("Content-Disposition: attachment; filename=\"$filename\"; filename*=UTF-8''$encoded_name"); Use code with caution. Critical Security Practices php header download file name

Improperly handling file downloads can expose your entire server. Follow these rules to stay secure:

In PHP, the header() function is the primary tool for controlling how a browser handles a response. When you want to force a file to download rather than being displayed in the browser (like a PDF or image might be), you must use the Content-Disposition header. The Core Syntax To trigger a download and suggest a specific

header('Content-Disposition: attachment; filename="your_filename.ext"'); Use code with caution.

Filenames containing spaces or non-ASCII characters (like accents or symbols) often break the Content-Disposition header in older or specific browsers. Follow these rules to stay secure: In PHP,

$file = 'path/to/your/document.pdf'; $download_name = 'user_friendly_name.pdf'; if (file_exists($file)) { // 1. Set the content type (application/octet-stream is a safe default for downloads) header('Content-Type: application/octet-stream'); // 2. Suggest the filename and force the download header('Content-Disposition: attachment; filename="' . basename($download_name) . '"'); // 3. Inform the browser of the file size to show a progress bar header('Content-Length: ' . filesize($file)); // 4. Clear output buffer and read the file clean_output_buffer(); readfile($file); exit; } Use code with caution. Handling Special Characters and Spaces