Перенос изображений разделов каталога с одного сайта на другой

require_once($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/prolog_before.php');

if(!CModule::IncludeModule("catalog")){die();}


$arFilter=[
    'IBLOCK_ID' => 17,
    'IBLOCK_TYPE' => '1c_catalog',
    //'ACTIVE' => 'Y'
];

$arSelect = [
    "ID", "NAME", "CODE", "PICTURE", "PREVIEW_PICTURE", "DETAIL_PICTURE", "SECTION_PAGE_URL"
];

//Получаем перечень разделов инфоблока
$sections = CIBlockSection::GetTreeList($arFilter, $arSelect);

while($ar_dep = $sections->GetNext())
{
    if(!empty($ar_dep['PICTURE']) || !empty($ar_dep['DETAIL_PICTURE'])){
		//Если у раздело задано изображение
        $result[$ar_dep['CODE']] = $ar_dep;

        $img = $ar_dep['PICTURE'] ? $ar_dep['PICTURE'] : $ar_dep['DETAIL_PICTURE'];

        $result[$ar_dep['CODE']]['SRC'] = CFile::GetPath($img);

    }else{

        Получаем последний товар именно в нужный раздел
        $elementIterator = \Bitrix\Iblock\ElementTable::getList([
            'select' => [
                "ID", "NAME", "PREVIEW_PICTURE", "DETAIL_PICTURE", "IBLOCK_SECTION_ID", "CODE",
            ],
            'filter' => [
                '=IBLOCK_ID' => 17,
                '=IBLOCK_SECTION_ID' => $ar_dep['ID'],
                '=ACTIVE' => 'Y',
                '!=DETAIL_PICTURE' => '',
            ],
            'order' => ['ID' => 'DESC'], // сортировка
            'limit' => 1,
        ]);

        $elems = $elementIterator->fetchAll();

		//Если товар в разделе найден, то записываем src изображений
        foreach ($elems as $element) {
            $result[$ar_dep['CODE']] = $ar_dep;

            $img = $element['DETAIL_PICTURE'] ? $element['DETAIL_PICTURE'] : $element['PREVIEW_PICTURE'];

            $result[$ar_dep['CODE']]['SRC'] = CFile::GetPath($img);
            $result[$ar_dep['CODE']]['DETAIL_PAGE_URL'] = $element['CODE'];
        }

		//Если src не найден
        if(!isset($result[$ar_dep['CODE']]['SRC'])){
			//Ищем первый попавшийся товар входящий в данный раздел или любой подраздел данного раздела
            $rsResult = CIBlockElement::GetList(
                array( "SORT"=>"ASC" ),
                array(
                    "ACTIVE"        => "Y",
                    "IBLOCK_ID"        => 17,
                    "SECTION_ID"     => $ar_dep['ID'],
                    "INCLUDE_SUBSECTIONS" => "Y",
                ),
                false,
                $arNavStartParams = Array("nTopCount"=>1),
                array("ID", "NAME", "PREVIEW_PICTURE", "DETAIL_PICTURE", "IBLOCK_SECTION_ID", "CODE")
            );

            while( $obElement = $rsResult->GetNext()) {
                $result[$ar_dep['CODE']] = $obElement;

                $img = $obElement['DETAIL_PICTURE'] ? $obElement['DETAIL_PICTURE'] : $obElement['PREVIEW_PICTURE'];

                $result[$ar_dep['CODE']]['SRC'] = CFile::GetPath($img);
                $result[$ar_dep['CODE']]['DETAIL_PAGE_URL'] = $obElement['CODE'];

            }
        }

    }

}

//Функция для исправления кодировки получаемых данных
//Если json_encode не работает
function safe_json_encode($value, $options = 0, $depth = 512){
    $encoded = json_encode($value, $options, $depth);
    switch (json_last_error()) {
        case JSON_ERROR_NONE:
            return $encoded;
        case JSON_ERROR_DEPTH:
            return 'Maximum stack depth exceeded'; // or trigger_error() or throw new Exception()
        case JSON_ERROR_STATE_MISMATCH:
            return 'Underflow or the modes mismatch'; // or trigger_error() or throw new Exception()
        case JSON_ERROR_CTRL_CHAR:
            return 'Unexpected control character found';
        case JSON_ERROR_SYNTAX:
            return 'Syntax error, malformed JSON'; // or trigger_error() or throw new Exception()
        case JSON_ERROR_UTF8:
            $clean = utf8ize($value);
            return safe_json_encode($clean, $options, $depth);
        default:
            return 'Unknown error'; // or trigger_error() or throw new Exception()

    }
}

function utf8ize($mixed) {
    if (is_array($mixed)) {
        foreach ($mixed as $key => $value) {
            $mixed[$key] = utf8ize($value);
        }
    } else if (is_string ($mixed)) {
        return utf8_encode($mixed);
    }
    return $mixed;
}


echo safe_json_encode($result);

require_once($_SERVER['DOCUMENT_ROOT'].'/bitrix/modules/main/include/prolog_before.php');

$arTotal = array();

$url = 'Путь к файлу c оыщт';

$postdata = array();

$post = http_build_query($postdata);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
$response = curl_exec($ch);
curl_close($ch);

//Преобразовываем std в массив
$response = json_decode($response, True);

$arTotal['Получено разделов'] = count($response);

if(!CModule::IncludeModule("iblock")){die();}

$IDS = $KEYS = $ERRORS = array();

foreach ($response as $key => $value){
    $IDS[$key]['SRC'] = $value['SRC'];
    array_push($KEYS,$key);
}

$arFilter = Array('IBLOCK_TYPE'=>'1c_catalog', 'IBLOCK_ID'=>22, 'GLOBAL_ACTIVE'=>'Y', 'CODE'=>$KEYS);
$db_list = CIBlockSection::GetList(Array($by=>$order), $arFilter, true);

$i = $obnovleno = $neobnovleno = 0;
while($ar_result = $db_list->GetNext()) {

    $src = 'SERVER_ADRESS'.$IDS[$ar_result['CODE']]['SRC'];
    $arFile = CFile::MakeFileArray($src);

    $arPICTURE = $arFile;
    $arPICTURE["MODULE_ID"] = "iblock";

    $bs = new CIBlockSection;

    $arFields = Array(
        "PICTURE" => $arPICTURE,
    );

    $res = $bs->Update($ar_result['ID'], $arFields, false, false, true);

    if($res){
        $obnovleno++;
    }else{
        $neobnovleno++;
        array_push($ERRORS,$res->LAST_ERROR);
    }

    $i++;
}

$arTotal['Найдено разделов на новом сайте'] = $i;
$arTotal['Обновлено разделов на новом сайте'] = $obnovleno;
$arTotal['Ошибок обновления разделов на новом сайте'] = $neobnovleno;
$arTotal['Перечень ошибок'] = $ERRORS;