dba_exists
(PHP 3 >= 3.0.8, PHP 4, PHP 5)
dba_exists -- Check whether key exists
Description
bool
dba_exists ( string key, resource handle )
dba_exists() checks whether the specified
key exists in the database.
Parameters
key
The key the check is performed for.
handle
The database handler, returned by dba_open() or
dba_popen().
Return Values
Returns TRUE if the key exists, FALSE otherwise.