CAllSearch::SetOptions

function SetOptions($arOptions)
{
	if (array_key_exists("ERROR_ON_EMPTY_STEM", $arOptions))
		$this->_opt_ERROR_ON_EMPTY_STEM = $arOptions["ERROR_ON_EMPTY_STEM"] === true;

	if (array_key_exists("NO_WORD_LOGIC", $arOptions))
		$this->_opt_NO_WORD_LOGIC = $arOptions["NO_WORD_LOGIC"] === true;
}