Dashboard::setBoardCustomDefaultModeIsDemo

static function setBoardCustomDefaultModeIsDemo($boardKey, $demo = false)
{
	$modes = Option::get('report', 'BOARD_CUSTOM_DEFAULT_MODES', serialize(array()));
	$modes = unserialize($modes, ['allowed_classes' => false]);
	$modes[$boardKey] = $demo ? 1 : 0;
	Option::set('report', 'BOARD_CUSTOM_DEFAULT_MODES', serialize($modes));
}