string dba_fetch(string key, int handle);dba_fetch() fetches the data specified by key from the database specified with handle.
key is the key the data is specified by.
handle is a database handle returned by dba_open().
dba_fetch() returns the associated string or false, if the key/data pair is found or not found, respectively.
See also: dba_exists() dba_delete() dba_insert() dba_replace()