Outputs the ‘View As’ link on the user editing screen if the current user has permission to switch to them.

Returns whether or not the current logged in user is being remembered in the form of a persistent browser cookie (ie. they checked the ‘Remember Me’ check box when they logged in). This is used to persist the ‘remember me’ value when the user switches to another user.

Loads localisation files and routes actions depending on the ‘action’ query var.