Outputs a textarea element for inputting an attachment caption.

Parses creation date from media metadata.

Outputs the iframe to display the media upload page.

Encapsulates the logic for Attach/Detach actions.

Creates the form for external url.

Handles the process of uploading media.

Retrieves metadata from an audio file’s ID3 tags.

Retrieves metadata from a video file’s ID3 tags.

Fires when scripts enqueued for the admin header for the legacy (pre-3.5.0) media upload popup are printed.

Fires in the admin header for each specific form tab in the legacy (pre-3.5.0) media upload popup.