Iblock::loadFromDatabase

protected function loadFromDatabase()
{
	if (!isset($this->fields))
	{
		$elementList = BitrixIblockIblockTable::getList(array(
			"select" => array_values($this->fieldMap),
			"filter" => array("=ID" => $this->id),
		));
		$this->fields = $elementList->fetch();
	}
	return is_array($this->fields);
}