LJ::expand_embedded — Used for expanding embedded content like polls, for entries.
LJ::expand_embedded(u, ditemid, remote, eventref, opts
u. A hashref of a row from the user table, sometimes called a "user object". Although only initially a row from the user table, gets a lot of tacked onto it from various other LJ API functions.
remote. Hashref of remote user containing \'user\' and \'userid\' keys as obtained from LJ::get_remote.