function file_file_mimetype_mapping_alter

Implements hook_file_mimetype_mapping_alter().

File

core/modules/file/file.file.inc, line 132

File hooks implemented by the File module.

Code

function file_file_mimetype_mapping_alter(&$mapping) {
  // Add support for mka and mkv.
  // @todo Remove when http://drupal.org/node/1443070 is fixed in core.
  $new_mappings['mka'] = 'audio/x-matroska';
  $new_mappings['mkv'] = 'video/x-matroska';

  // Add support for weba, webm, and webp.
  // @todo Remove when http://drupal.org/node/1443070 is fixed in core.
  $new_mappings['weba'] = 'audio/webm';
  $new_mappings['webm'] = 'video/webm';
  $new_mappings['webp'] = 'image/webp';

  foreach ($new_mappings as $extension => $mime_type) {
    if (!in_array($mime_type, $mapping['mimetypes'])) {
      // If the mime type does not already exist, add it.
      $mapping['mimetypes'][] = $mime_type;
    }

    // Get the index of the mime type and assign the extension to that key.
    $index = array_search($mime_type, $mapping['mimetypes']);
    $mapping['extensions'][$extension] = $index;
  }
}