add_file_display_callback¶
Summary¶
- add_file_display_callback(array|string $fileIdentifiers, callback $callback, array $options = Array)¶
Declare a callback function that will be used to display files with a given MIME type and/or file extension.
Parameters: - $fileIdentifiers (array|string) – Set of MIME types and/or file extensions to which the provided callback will respond.
- $callback (callback) – Any valid callback.
- $options (array) –