$temperature = 25; if ($temperature == 25) echo "Неплохой день";
<?print_r($arResult['IBLOCK_SECTION_ID']) ==330?>
<?print_r($arResult['IBLOCK_SECTION_ID']) == print_r(330)?>
$temperature = ($arResult['IBLOCK_SECTION_ID']) ; if ($temperature == 330) echo "Неплохой день";
$temperature = IntVal($arResult["SECTION"]['IBLOCK_SECTION_ID']); if ($temperature == 330) echo "Неплохой день";