Как оценить работу разработчиков?

<?
require($_SERVER["DOCUMENT_ROOT"]."/bitrix/header.php");
$APPLICATION->SetTitle("Раздел");
?>
<? $APPLICATION -> IncludeFile("iblock/studio_foto_section.php", array("IB" => 2, "SECTION" => $_REQUEST['SECTION_ID'], "SECTION_CODE" => $_REQUEST['SECTION_CODE']));?>
<?require($_SERVER["DOCUMENT_ROOT"]."/bitrix/footer.php");?> 

<?
if (CModule::IncludeModule("iblock"))
{
   $IB = intval($IB);
   $SECTION = intval($SECTION);

   $arFilter = array(
      "IBLOCK_ID" => $IB,
      "ACTIVE" => "Y",
   );
   if (strlen($SECTION_CODE)>0)
   {
      $arFilter['CODE']=$SECTION_CODE;
   }
   else
   {
      
      $arFilter['ID']=$SECTION;
   }
   $rsSection = CIBlockSection::GetList(array("SORT" => "ASC"), $arFilter, false, array('UF_*'));
   if ($arSection = $rsSection -> GetNext())
   {
         ...
      $rsElement = CIBlockElement::GetList(array("SORT" => "ASC"), $arFilter, false, false, $arSelect);
      if ($rsElement -> SelectedRowsCount() > 0)
      {
         while ($arElement = $rsElement -> GetNext())
         {
            $rsFile = CFile::GetByID($arElement['PREVIEW_PICTURE']);
            $arFile = $rsFile -> GetNext();
            $w = $arFile['WIDTH'];
            $h = $arFile['HEIGHT'];
            if ($w > $h) {
               $nw = 224;
               $nh = ceil($h / ($w / $nw));
            }
            else {
               $nh = 139;
               $nw = ceil($w / ($h / $nh));
            }
            $file = CFile::ResizeImageGet($arElement['PREVIEW_PICTURE'], array('width'=>$nw, 'height'=>$nh), BX_RESIZE_IMAGE_PROPORTIONAL, true);
            $files[] = $file;
            ?>
            <li>
            <a href="<?=$arElement['DETAIL_PAGE_URL'];?>" style="background:url('<?=$file['src'];?>'); display: inline-block; width: 224px; height: 139px;">
            <? if ($arElement['PROPERTY_VIDEO_VALUE'] > 0 || strlen($arElement['PROPERTY_VIDEO_CODE_VALUE']) > 0):?>
            <b></b>
            <? endif;?>
            </a>
                </li>
         ...
}
?>