dbmfirstkey

(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

dbmfirstkey --  Retrieves the first key from a DBM database

Description

string dbmfirstkey (int dbm_identifier)

Returns the first key in the database. Note that no particular order is guaranteed since the database may be built using a hash-table, which doesn't guarantee any ordering.