Fires before creating WordPress options and populating their default values.

Fires after the upload button in the media upload interface.

Fires after the upload interface loads.

Fires on the post upload UI screen.

Fires before the upload button in the media upload interface.

Fires before the upload interface loads.

Fires just before the legacy (pre-3.5.0) upload interface is loaded.

Filters a specific option before its value is (maybe) serialized and updated.

Filters the array of enqueued styles before processing for output.

Fires immediately before the logged-in authentication cookie is set.