ANTICHAT — форум по информационной безопасности, OSINT и технологиям

// Let's not depend on the ini settings... why even have COOKIE in there, anyway?
	$_REQUEST = $_POST + $_GET;

	// Make sure $board and $topic are numbers.
	if (isset($_REQUEST['board']))
	{
		// Make sure that its a string and not something else like an array
		$_REQUEST['board'] = (string) $_REQUEST['board'];

		// If there's a slash in it, we've got a start value! (old, compatible links.)
		if (strpos($_REQUEST['board'], '/') !== false)
			list ($_REQUEST['board'], $_REQUEST['start']) = explode('/', $_REQUEST['board']);
		// Same idea, but dots.  This is the currently used format - ?board=1.0...
		elseif (strpos($_REQUEST['board'], '.') !== false)
			list ($_REQUEST['board'], $_REQUEST['start']) = explode('.', $_REQUEST['board']);
		// Now make absolutely sure it's a number.
		$board = (int) $_REQUEST['board'];

		// This is for "Who's Online" because it might come via POST - and it should be an int here.
		$_GET['board'] = $board;
	}
	// Well, $board is going to be a number no matter what.
	else
		$board = 0;

	// If there's a threadid, it's probably an old YaBB SE link.  Flow with it.
	if (isset($_REQUEST['threadid']) && !isset($_REQUEST['topic']))
		$_REQUEST['topic'] = $_REQUEST['threadid'];

	// We've got topic!
	if (isset($_REQUEST['topic']))
	{
		// Make sure that its a string and not something else like an array
		$_REQUEST['topic'] = (string)$_REQUEST['topic'];
		
		// Slash means old, beta style, formatting.  That's okay though, the link should still work.
		if (strpos($_REQUEST['topic'], '/') !== false)
			list ($_REQUEST['topic'], $_REQUEST['start']) = explode('/', $_REQUEST['topic']);
		// Dots are useful and fun ;).  This is ?topic=1.15.
		elseif (strpos($_REQUEST['topic'], '.') !== false)
			list ($_REQUEST['topic'], $_REQUEST['start']) = explode('.', $_REQUEST['topic']);

		$topic = (int) $_REQUEST['topic'];

		// Now make sure the online log gets the right number.
		$_GET['topic'] = $topic;
	}

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