Андрей Николаев (Все сообщения пользователя)

$arResult['AUTHORS'] = [];

foreach($arResult['ITEMS'] as $arItem)
{
   $id = intval($arItem['PROPERTIES']['AVTOR']['VALUE']);

   if ( !empty($id) )
   {
      $arResult['AUTHORS'][$id] = $id;
   }
}
$arResult['AUTHORS'] = array_unique($arResult['AUTHORS']);


if ( !empty($arResult['AUTHORS']) )
{
   $resAuthors = \CIBlockElement::GetList(
      [],
      [
         'IBLOCK_ID' => XX,
         'ID'        => $arResult['AUTHORS'],
         'ACTIVE'    => 'Y'
      ],
      false,
      false,
      [
         'ID',
         'NAME',
         'PREVIEW_PICTURE'
      ]
   );

   while( $arAuthor = $resAuthors->fetch() )
   {
      $arResult['AUTHORS'][ $arAuthor['ID'] ] = $arAuthor;
   }
}

/**
 * Return parsed price value from $link page
 * @param string $link 
 * @return float
 */
function getPrice( $link )
{
   $page = file_get_contents($link);

   if ( empty($page) )
   {
      return 0;
   }

   if ( preg_match_all('#<met a itemprop="price" content="(\d+)">#iu', $page, $matches))
   {
      return floatval(array_shift($matches[1]));
   }

   return 0;
}

var_dump(getPrice('http://www.vseinstrumenti.ru/santehnika/svar-pay-app-plast-poliprop-trub/inforce/03-12-02/'));
// Вернет 14890.0

CModule::IncludeModule('sale');
$iDiscountNumber = \CSaleDiscount::Add( $arF );
if ( empty($iDiscountNumber) ) 
{
   var_dump($APPLICATION->GetException());
}