<?php
use Bitrix\Main\Diag\Debug;
Debug::writeToFile(
var_export([
'$arData' => $arData
], true),
date("Y-m-d H:i:s").PHP_EOL.__FILE__.':'.__LINE__,
'_exch_'.date("Y-m-d").'.log'
);
Debug::dumpToFile($arResult);
Debug::startTimeLabel("catalogFilter");
#code
Debug::endTimeLabel("catalogFilter");
Debug::dumpToFile(Debug::getTimeLabels());