dba_exists -- Check whether key exists


bool dba_exists(string key, int handle);

dba_exists() checks whether the specified key exists in the database specified by handle.

key is the key the check is performed for.

handle is a database handle returned by dba_open().

dba_exists() returns true or false, if the key is found or not found, respectively.

See also: dba_fetch() dba_delete() dba_insert() dba_replace()