public function destroy($sessionId)
    {
        $sql    = 'DELETE from tbl_sessions where SESSION_ID=:SESSID';
        $delete = $this->_db->prepare($sql);
        $delete->execute(array(':SESSID' => $sessionId));
        $this->_cache->delete($sessionId);

        return true;

    }
public function destroy($sessionId)
    {
        $sql    = 'DELETE from tbl_sessions where SESSION_ID=:SESSID';
        $delete = $this->_db->prepare($sql);
        $delete->execute(array(':SESSID' => $sessionId));
        $this->_cache->delete($sessionId);

        return true;

    }
public function destroy ( $ sessionId ) { $ sql = 'DELETE from tbl_sessions where SESSION_ID=:SESSID' ; $ delete = $ this -> _db -> prepare ( $ sql ) ; $ delete -> execute ( array ( ':SESSID' => $ sessionId ) ) ; $ this -> _cache -> delete ( $ sessionId ) ; return true ; }
destroy Destroying the session deletes it from the cache as
well as the backend database.

@param mixed $sessionId The session id

@access public
@return void
destroy Destroying the session deletes it from the cache as well as the backend database .