function ret($id, $db) { $stmt = $db->stmt_init(); $sql = "delete from stateinfo where book_id=?"; $stmt->prepare($sql); $stmt->bind_param("s", $id); $stmt->execute(); checkresult($stmt->affected_rows); $stmt->close(); }
function delete($data, $db) { $stmt = $db->stmt_init(); $userid = $data->{"userid"} != null ? $data->{"userid"} : "NULL"; $sql = "delete from userinfo where user_id=?"; $stmt->prepare($sql); $stmt->bind_param("s", $userid); $stmt->execute(); checkresult($stmt->affected_rows); $stmt->close(); }
function delete($data, $db) { $stmt = $db->stmt_init(); $bookserial = $data->{"bookserial"} != null ? $data->{"bookserial"} : "NULL"; $sql = "delete from bookinfo where book_serial=?"; $stmt->prepare($sql); $stmt->bind_param("s", $bookserial); $stmt->execute(); checkresult($stmt->affected_rows); $stmt->close(); }