Zip Dirs unpack

//title: Распакова архивов

$collectionDir = $_SERVER["DOCUMENT_ROOT"]."/upload/collection_images/";
$dir = opendir($collectionDir);
$zipFilesDir = [];
while($collection = readdir($dir))
{
    if (is_dir($collectionDir.$collection) && $collection != '.' && $collection != '..')
    {
        $section = opendir($collectionDir.$collection);
        while($file = readdir($section))
        {
            if($file != '.' && $file != '..' && strpos($file, '.zip') !== false)
                $zipFilesDir[$collectionDir.$collection.'/'][] = $file;
        }
   }
}

// Параметры распаковки
$arUnpackOptions = Array(
   "REMOVE_PATH"      => $_SERVER["DOCUMENT_ROOT"],
   "UNPACK_REPLACE"   => false
);

$arResult = [];
foreach($zipFilesDir as $zipDir => $zipFiles)
{
    $sFilePathDst = $zipDir;
    foreach($zipFiles as $zipFile)
    {
        $sFilePathArc = $zipDir.$zipFile;
        $resArchiver = CBXArchive::GetArchive($sFilePathArc);
        $resArchiver->SetOptions($arUnpackOptions);
        $uRes = $resArchiver->Unpack($sFilePathDst);
            if (!$uRes) {
               $arResult[$zipDir][$zipFile] = $arc->GetErrors();
            } else {
               $arResult[$zipDir][$zipFile] = 'success';
            }
    }
}

print_r($arResult);