SimpleMachines / SMF2.1

	// Make sure the year and month are in valid ranges.

	if ($curPage['month'] < 1 || $curPage['month'] > 12)

		fatal_lang_error('invalid_month', false);

	if ($curPage['year'] < $modSettings['cal_minyear'] || $curPage['year'] > $modSettings['cal_maxyear'])

		fatal_lang_error('invalid_year', false);

	// If we have a day clean that too.

	if ($context['calendar_view'] != 'view_month')

	{

			// Make sure the year and month are in the valid range.

			if ($context['event']['month'] < 1 || $context['event']['month'] > 12)

				fatal_lang_error('invalid_month', false);

			if ($context['event']['year'] < $modSettings['cal_minyear'] || $context['event']['year'] > $modSettings['cal_maxyear'])

				fatal_lang_error('invalid_year', false);

			// Get a list of boards they can post in.

			$boards = boardsAllowedTo('post_new');

			// Check the month and year...

			if ($_POST['month'] < 1 || $_POST['month'] > 12)

				fatal_lang_error('invalid_month', false);

			if ($_POST['year'] < $modSettings['cal_minyear'] || $_POST['year'] > $modSettings['cal_maxyear'])

				fatal_lang_error('invalid_year', false);

		}

	}