dba_delete
Description
bool dba_delete ( string key, resource handle)dba_delete() deletes the entry specified by key from the database specified with handle.
key is the key of the entry which is deleted.
handle is a database handle returned by dba_open().
dba_delete() returns TRUE or FALSE, if the entry is deleted or not deleted, respectively.
See also: dba_exists(), dba_fetch(), dba_insert(), and dba_replace().