WaitEntry::exists

static function exists($ID)
{
	if(!is_numeric($ID))
	{
		$ID = (int)$ID;
	}

	if($ID <= 0)
	{
		return false;
	}

	$dbResult = WaitTable::getList(array('select' => array('ID'), 'filter' => array('=ID' => $ID)));
	return is_array($dbResult->fetch());
}