FileUploadHandler::DEFAULT_EXTENSIONS
The default extensions if none are provided.
File
- 
              core/
modules/ file/ src/ Upload/ FileUploadHandler.php, line 42  
Class
- FileUploadHandler
 - Handles validating and creating file entities from file uploads.
 
Namespace
Drupal\file\UploadCode
const DEFAULT_EXTENSIONS = 'jpg jpeg gif png txt doc xls pdf ppt pps odt ods odp';
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