query("SELECT COUNT(ConvID) FROM pm_conversations_users WHERE ConvID IN ($ConvIDs) AND UserID=$UserID"); list($MessageCount) = $DB->next_record(); if($MessageCount != count($Messages)){ error(0); } $DB->query("UPDATE pm_conversations_users SET InInbox='0', InSentbox='0', Sticky='0', UnRead='0' WHERE ConvID IN($ConvIDs) AND UserID=$UserID"); $Cache->delete_value('inbox_new_'.$UserID); header('Location: inbox.php'); ?>