Return the URL of the site

Fires after a specific option has been added.

Fires before the Add Tag form.

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

Fires as an admin screen or script is being initialized.

Fires when access to an admin page is denied.

Fires after the admin menu has been output.

Filters the returned ID of an uploaded attachment.

Filters the attachment fields to edit.

Filters the attachment fields to be saved.