Gazelle/sections/forums/catchup.php

<?
authorize();
if (!isset($_GET['forumid']) || ($_GET['forumid'] != 'all' && !is_number($_GET['forumid']))) {
	error(403);
}

if ($_GET['forumid'] == 'all') {
	$DB->query("
		UPDATE users_info
		SET CatchupTime = NOW()
		WHERE UserID = $LoggedUser[ID]");
	$Cache->delete_value('user_info_'.$LoggedUser['ID']);
	header('Location: forums.php');

} else {
	// Insert a value for each topic
	$DB->query("
		INSERT INTO forums_last_read_topics (UserID, TopicID, PostID)
		SELECT '$LoggedUser[ID]', ID, LastPostID
		FROM forums_topics
		WHERE (LastPostTime > '".time_minus(3600 * 24 * 30)."' OR IsSticky = '1')
			AND ForumID = ".$_GET['forumid']."
		ON DUPLICATE KEY UPDATE
			PostID = LastPostID");

	header('Location: forums.php?action=viewforum&forumid='.$_GET['forumid']);
}
?>