BITRIX: resize images

// result_modifier.php

// превью изображений
foreach ($arResult["ITEMS"] as $key => &$arItem) {
	if ($arItem["PREVIEW_PICTURE"]) {
		$arItem["PREVIEW_PICTURE_THUMB"] = array_change_key_case(CFile::ResizeImageGet($arItem["PREVIEW_PICTURE"], array("width" => 500, "height" => 500), BX_RESIZE_IMAGE_PROPORTIONAL_ALT, true), CASE_UPPER);
	}
	if ($arItem["DISPLAY_PROPERTIES"]["SLIDER"]["VALUE"]) {
		if (count($arItem["DISPLAY_PROPERTIES"]["SLIDER"]["VALUE"]) == 1) {
			$arItem["DISPLAY_PROPERTIES"]["SLIDER"]["FILE_VALUE"] = array($arItem["DISPLAY_PROPERTIES"]["SLIDER"]["FILE_VALUE"]);
		}
		foreach ($arItem["DISPLAY_PROPERTIES"]["SLIDER"]["FILE_VALUE"] as $key2 => $value) {
			$arItem["DISPLAY_PROPERTIES"]["SLIDER"]["FILE_VALUE"][$key2]["THUMB"] = array_change_key_case(CFile::ResizeImageGet($value, array("width" => 500, "height" => 500), BX_RESIZE_IMAGE_PROPORTIONAL_ALT, true), CASE_UPPER);
		}
	}
}