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: Return an array of headers (like Content-Type ) if the user should be allowed to download the file. Deny Access : Return -1 to explicitly deny the download. 5. Programmatic File Linking
Sometimes you want to force a "Save As" dialog instead of letting the browser open a file (like a PDF) in a new tab. This is handled by setting the Content-Disposition header.
By using file_save_data() , Drupal automatically creates a record in the file_managed table, allowing you to track its usage across the site. 3. Forcing Downloads with HTTP Headers
Use drupal_http_request($url) to retrieve the remote file content.
In Drupal 7, programmatically triggering a file download or managing file transfers requires a solid grasp of the and HTTP headers . Whether you are serving a file from the private file system or forcing a download of a dynamically generated CSV, the approach depends on how the file is stored and who should access it. 1. The Direct Approach: Using file_transfer()
$headers = array( 'Content-Type' => 'application/octet-stream', 'Content-Disposition' => 'attachment; filename="' . $file->filename . '"', 'Content-Length' => $file->filesize, ); file_transfer($file->uri, $headers); Use code with caution.
For files, this returns a routed path like ://yoursite.com . If you need to create a link in a template or module:
: Return an array of headers (like Content-Type ) if the user should be allowed to download the file. Deny Access : Return -1 to explicitly deny the download. 5. Programmatic File Linking
Sometimes you want to force a "Save As" dialog instead of letting the browser open a file (like a PDF) in a new tab. This is handled by setting the Content-Disposition header. drupal 7 download file programmatically
By using file_save_data() , Drupal automatically creates a record in the file_managed table, allowing you to track its usage across the site. 3. Forcing Downloads with HTTP Headers : Return an array of headers (like Content-Type
Use drupal_http_request($url) to retrieve the remote file content. Programmatic File Linking Sometimes you want to force
In Drupal 7, programmatically triggering a file download or managing file transfers requires a solid grasp of the and HTTP headers . Whether you are serving a file from the private file system or forcing a download of a dynamically generated CSV, the approach depends on how the file is stored and who should access it. 1. The Direct Approach: Using file_transfer()
$headers = array( 'Content-Type' => 'application/octet-stream', 'Content-Disposition' => 'attachment; filename="' . $file->filename . '"', 'Content-Length' => $file->filesize, ); file_transfer($file->uri, $headers); Use code with caution.
For files, this returns a routed path like ://yoursite.com . If you need to create a link in a template or module: