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.

See Also

dba_delete
dba_fetch
dba_insert
dba_replace