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It's trivial to get image from server but I think about something different. It is crazy question but... Is it possible to send file (image) to a server but not using form upload or ftp connection? I want to send a request to eg. http://www.example.com/file.php with binary content. I think I need to set Content-type header image/jpeg but how to add some content to my request?

there are multiple ways to use curl to upload image files, e.g.:

$ch = curl_init();
$data = array('name' => 'Foo', 'file' => '@/path/to/image.jpeg');
curl_setopt($ch, CURLOPT_URL, 'http://localhost/upload.php');
curl_setopt($ch, CURLOPT_POST, 1);
//CURLOPT_SAFE_UPLOAD defaulted to true in 5.6.0
//So next line is required as of php >= 5.6.0
curl_setopt($ch, CURLOPT_SAFE_UPLOAD, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_exec($ch);

you can check the examples at: http://au.php.net/manual/en/function.curl-setopt.php

How to send files via cURL in PHP (Example), php · curl. If you need to upload a file to a service using cURL, just append an at symbol (@) to a string containing the file path. For example: PHP Save Images Using cURL Mar 18, 2008 · 1 minute read Category: php curl This is post is now quite old and the the information it contains may be out of date or innacurate.

see http://docs.php.net/function.curl-setopt:

CURLOPT_POSTFIELDS The full data to post in a HTTP "POST" operation. To post a file, prepend a filename with @ and use the full path. This can either be passed as a urlencoded string like 'para1=val1¶2=val2&...' or as an array with the field name as key and field data as value. If value is an array, the Content-Type header will be set to multipart/form-data.

Can't upload image using curl - PHP, I want to upload images from my Server to another Server with php curl. at all? http://blog.derakkilgo.com/2009/06/07/send-a-file-via-post-with-curl-and-php/. Sending files using cURL in PHP The cURL functions in PHP can be used to make HTTP requests to remote servers. The curl_setopt function allows a wide range of options to be set, but none of these directly relate to sending files. Instead, files are sent using a special format for POST parameter values.

The only code worked for me with PHP 7.0

$file = new \CURLFile('@/path/to/image.jpeg'); //<-- Path could be relative
$data = array('name' => 'Foo', 'file' => $file);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://localhost/upload.php');
curl_setopt($ch, CURLOPT_POST, 1);
//CURLOPT_SAFE_UPLOAD defaulted to true in 5.6.0
//So next line is required as of php >= 5.6.0
curl_setopt($ch, CURLOPT_SAFE_UPLOAD, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_exec($ch);

Thanks to @AndyLin for his answer and this source.

Sending files using cURL in PHP, The cURL functions in PHP can be used to make HTTP requests to remote servers. The curl_setopt function allows a wide range of options to be set, but none of  If you're using the curl functions directly in PHP, you're doing it wrong. The curl functions are extremely low-level, and are very easy to configure in an insecure way. You are better off, 99.9% of the time, using a fortified, professional-grade package like Guzzle that does everything right (securely) by default.

VolkerK is completely right but my experience suggest that sending a file "@" operator will only work with arrays.

$post['file'] = "@FILE_Path"

Now you can send the file using CURLOPT_POSTFIELDS

How to Upload a File using PHP cURL, Here's how to upload/transfer a file server-to-server using PHP cURL (this is not a 'client' web form upload). The receiving server requires the  The sendPhoto command require an argument photo defined as InputFile or String. The API doc tells: Photo to send. You can either pass a file_id as String to resend a photo that is already on the

CURLFile - Manual, CURLFile should be used to upload a file with CURLOPT_POSTFIELDS . i've seen some downvotes , here is a small example of using curl to upload image . I was recently working on a project where I had to send and receive binary files to and from a REST API, so I decided to document some of the code I wrote.Keep in mind that I’m extracting all of these code snippets from a custom PHP class I wrote, so if you’re working with an API, I’d encourage you to create a class of your own.

Send and receive binary files using PHP and cURL, Send and receive binary files using PHP and cURL it tells us what kind of file we're getting i.e. an image, a Word document, a PDF, etc. Send file via cURL from form POST in PHP. Ask Question I'm mainly after what I would send as cURL we can upload image file by curl request by converting it

Solved: File upload not working with PHP curl method (http, Solved: Hello Everyone, I am trying to implement Box file upload in php curl method. But its not working, i am not getting any response from Box  CURL failed with PHP5.3 and Apache2.2.X on my Windows 7 machine. It turns out that it's not enough to copy the two dll's mentioned (libeay32 and sslea32) from the php folder into your system32 folder. Y

Comments
  • This is what I was looking for. Thanks!
  • Thank you such a complete and concise example!
  • CURLOPT_SAFE_UPLOAD defaulted to true in 5.6.0... so you will need to add curl_setopt($ch, CURLOPT_SAFE_UPLOAD, false); before setting CURLOPT_POSTFIELDS.
  • I got the error "curl_setopt_array(): Disabling safe uploads is no longer supported". PHP >= 7.3.1
  • This method is no longer recommended. See : php.net/manual/en/class.curlfile.php