Send Blob image usign HttpClient #60828

RomaKoryagin · 2025-06-19T00:50:06Z

RomaKoryagin
Jun 19, 2025

I have a image that was created usign Imagick, how can i send this image as blob, using use Symfony\Contracts\HttpClient\HttpClientInterface ?

I tried this variants but it doenst work my storage answer with 500 status code

 $filename = uniqid('file', true);
$formData = new FormDataPart([
            $filename => $imageContent,
        ]);
        
$response = $this->request(
            'POST',
            'upload',
            [
                'body' => $formData->bodyToString(),
                'headers' => ['Content-Type' => 'multipart/form-data'],
            ]
        );

$filename = uniqid('file', true);
$formData = new FormDataPart([
           $filename => $imageContent,
       ]);
$response = $this->request(
           'POST',
           'upload',
           [
               'body' => $formData->bodyToIterable(),
               'headers' => ['Content-Type' => 'multipart/form-data'],
           ]
       );

 $filename = uniqid('file', true);
  
  $dataPart = new DataPart($imageContent);
  $formData = new FormDataPart([
      $filename => $dataPart,
  ]);
  
  $response = $this->request(
      'POST',
      'upload,
      [
          'body' => $formData->bodyToString(),
          'headers' => ['Content-Type' => 'multipart/form-data'],
      ]
  );

 $filename = uniqid('file', true);
  
  $dataPart = new DataPart($imageContent);
  $formData = new FormDataPart([
      $filename => $dataPart,
  ]);
  
  $response = $this->request(
      'POST',
      'upload',
      [
          'body' => $formData->bodyToIterable(),
          'headers' => ['Content-Type' => 'multipart/form-data'],
      ]
  );

$filename = uniqid('file', true);
 
 $dataPart = new DataPart($imageContent);
 $formData = new FormDataPart([
     $filename => $dataPart,
 ]);
 
 $response = $this->request(
     'POST',
     'upload',
     [
         'body' => [$filename => $imageContent],
         'headers' => ['Content-Type' => 'multipart/form-data'],
     ]
 );

stof · 2025-06-19T18:17:10Z

stof
Jun 19, 2025
Collaborator

The third and fourth example look like the right initialization of the FormDataPart (passing the image content as a data part). But you need to include the headers from $formData->getPreparedHeaders() in the headers of the request (which will include the header providing the boundary used for the multipart encoding for instance).

Note however that your usage of $filename = uniqid('file', true); when $filename is the key you use in your FormDataPart is probably invalid as well. The remote server probably expects a well-defined name for the POST of the uploaded file, not a randomly generated name.
And the instantiation of the DataPart should provide the additional constructor arguments (your server will probably want a proper image mime type for the uploaded image, rather than application/octet-stream)

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Send Blob image usign HttpClient #60828

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stof Jun 19, 2025 Collaborator

RomaKoryagin
Jun 19, 2025

stof
Jun 19, 2025
Collaborator