ResizeImageGet возвращает другой массив!

<?if($arItem["PREVIEW_PICTURE"]["WIDTH"]>500)  
   $arItem["PREVIEW_PICTURE"] = CFile::ResizeImageGet( 
      $arItem['PREVIEW_PICTURE'],  
      array('width'=>300, 'height'=>200),  
      BX_RESIZE_IMAGE_PROPORTIONAL,  
      true 
   );
<img class="img" src="<?=$arItem["PREVIEW_PICTURE"]["SRC"]?>"   
               alt="<?=$arItem["PREVIEW_PICTURE"]["ALT"]?>"  
               title="<?=$arItem["PREVIEW_PICTURE"]["TITLE"]?>">