добавление данных формы с помощью curl в php

Question

Я пытаюсь преобразовать этот запрос curl в PHP:

curl -X POST \
    --form fileItems[0].fileToUpload=@"/path/to/file1.txt"  \
    --form fileItems[0].path="/path1/path2/"    \
    --form fileItems[0].replacing=true  \
    --form fileItems[1].fileToUpload=@"/path/to/file2.txt"  \
    --form fileItems[1].path="/path1/path3/"    \
    --form fileItems[1].replacing=true  \
    http://example.com/files

Вот мой код:

$ch=curl_init("http://example.com/files");

$cfile= new CURLFile($_FILES['uploaded_files']['tmp_name'],
                     $_FILES['uploaded_files']['type'],
                     $_FILES['uploaded_files']['name']);

$data=array("fileItems" => array("fileToUpload" => $cfile,
                                 "path" => "/",
                                 "replacing" => true
                                ));

После загрузки файла и попытки отправить его на серверЯ получаю это сообщение:

Notice: Array to string conversion in C:\...\uploadToBacktory.php on line 48

строка 48:

curl_setopt($ch,CURLOPT_POSTFIELDS, $data);

Ошибка сервера API:

{"timestamp":1526026978184,"status":400,"error":"Bad Request","exception":"org.springframework.validation.BindException","errors":[{"codes":["typeMismatch.fileUploadRequest.fileItems","typeMismatch.fileItems","typeMismatch.java.util.List","typeMismatch"],"arguments":[{"codes":["fileUploadRequest.fileItems","fileItems"],"arguments":null,"defaultMessage":"fileItems","code":"fileItems"}],"defaultMessage":"Failed to convert property value of type 'java.lang.String' to required type 'java.util.List' for property 'fileItems'; nested exception is java.lang.IllegalStateException: Cannot convert value of type 'java.lang.String' to required type 'ir.pegahtech.backtory.cdn_api.models.controllers.files.FileUploadItem' for property 'fileItems[0]': no matching editors or conversion strategy found","objectName":"fileUploadRequest","field":"fileItems","rejectedValue":"Array","bindingFailure":true,"code":"typeMismatch"}],"message":"Validation failed for object='fileUploadRequest'. Error count: 1","path":"/files"}

Answer 1

проблема решена путем изменения переменной $data на эту:

$data=['fileItems[0].path' => '/', 'fileItems[0].replacing' => true, 'fileItems[0].fileToUpload' => $cfile];