file_get_content_headers

file_get_content_headers(FileInterface $file)

Examines a file entity and returns appropriate content headers for download.

Parameters

\Drupal\file\FileInterface $file: A file entity.

Return value

array An associative array of headers, as expected by \Symfony\Component\HttpFoundation\StreamedResponse.

File

core/modules/file/file.module, line 552: Defines a "managed_file" Form API field and a "file" field for Field module.

Code

function file_get_content_headers(FileInterface $file) {
  $type = Unicode::mimeHeaderEncode($file->getMimeType());
 
  return array(
    'Content-Type' => $type,
    'Content-Length' => $file->getSize(),
    'Cache-Control' => 'private',
  );
}

Links:

https://api.drupal.org/api/drupal/core%21modules%21file%21file.module/function/file_get_content_headers/8.2.x

doc_Drupal

2025-01-10 15:47:30

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