* @param string $name Username
* @param int $userId User id
* @param string $op Operator '|' or '&'
- * @param null|DatabaseBase $dbw If you happen to have one lying around
+ * @param null|IDatabase $dbw If you happen to have one lying around
* @return bool
*/
private static function setUsernameBitfields( $name, $userId, $op, $dbw ) {
if ( !$userId || ( $op !== '|' && $op !== '&' ) ) {
return false; // sanity check
}
- if ( !$dbw instanceof DatabaseBase ) {
+ if ( !$dbw instanceof IDatabase ) {
$dbw = wfGetDB( DB_MASTER );
}