skeeks\cms\controllers\StorageFilesController::actionUpload PHP Method

    public function actionUpload()
    {
        $response = ['success' => false];
        Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
        $request = Yii::$app->getRequest();
        $dir = \skeeks\sx\Dir::runtimeTmp();
        $uploader = new \skeeks\widget\simpleajaxuploader\backend\FileUpload("imgfile");
        $file = $dir->newFile()->setExtension($uploader->getExtension());
        $originalName = $uploader->getFileName();
        $uploader->newFileName = $file->getBaseName();
        $result = $uploader->handleUpload($dir->getPath() . DIRECTORY_SEPARATOR);
        if (!$result) {
            $response["msg"] = $uploader->getErrorMsg();
            return $result;
        } else {
            $storageFile = Yii::$app->storage->upload($file, array_merge(["name" => "", "original_name" => $originalName]));
            if ($request->get('modelData') && is_array($request->get('modelData'))) {
                $storageFile->setAttributes($request->get('modelData'));
            }
            $storageFile->save(false);
            $response["success"] = true;
            $response["file"] = $storageFile;
            return $response;
        }
        return $response;
    }