How to limit the number of characters of the "HTML/text" property of the Bitrix infoblock?

Question

1C-Bitrix

I display the property of the Bitrix infoblock in the following way:

<?=$arItem["PROPERTIES"]["REW_TEXT"]["~VALUE"]["TEXT"]?>

How to limit the number of characters?

Answer 1

<?=TruncateText($arItem["PROPERTIES"]["REW_TEXT"]["~VALUE"]["TEXT"], 300);?>

Answer 2

for example here
namely for HTML/text there is a comment there