php code to receive image from cellphone

[drumgor]

The cellphone uses the following C# code to send the image to picinput.php

              string baseUrl = "http://www.somwhere.com/picinput.php?picfile=" + fileName;
                httpWebRequest = (HttpWebRequest)WebRequest.Create(baseUrl);
                httpWebRequest.Timeout = 20000;
                httpWebRequest.Method = "POST";                
                httpWebRequest.ContentType = "application/x-www-form-urlencoded";
                httpWebRequest.ContentLength = imageData.Length;

                using (Stream oStream = httpWebRequest.GetRequestStream())
                {
                    oStream.Write(imageData, 0, imageData.Length);
                    oStream.Close();
                }

What is the most efficient php code to receive this image and write it to a file on the web server?

[Atli]

Hey.

I'm not sure the request that code creates is valid. A HTTP request that includes binary data is typically of the type "multipart/form-data", not "applicatio n/x-www-form-urlencoded".

To quote the HTML4.1 specs:

The content type "applicatio n/x-www-form-urlencoded" is inefficient for sending large quantities of binary data or text containing non-ASCII characters. The content type "multipart/form-data" should be used for submitting forms that contain files, non-ASCII data, and binary data.

See more details at www.w3.org.

When it receives a proper request, PHP simply puts files in the $_FILES array so that you can easily access them in your code.
(See Handling file uploads in the manual.)

[drumgor]

Thank you for that. As I am not writing the C# part of this, I have sent your comments to the person who is.

My confusion arises in not knowing if I should be using $_POST, $_REQUEST, imagecreatefrom file, file_get_conten ts, HttpResponse::G etRequestBody or Http::GetREques tBodyStream or something else on the PHP side to capture the incomming data in a form that I can then write it as a file to a folder.

[drumgor]

Sorry, I should read all your message.

if($_FILES['image']['name']) { etc.

What syntax do I use to get the incomming file into $_FILES?

[Atli]

What syntax do I use to get the incomming file into $_FILES?

None. PHP does that automatically. Any file sent as a part of a valid "multipart/form-data" request will be automatically added to the $_FILES array, where you can access them.

For other types of requests, all fields sent in the body of a "applicatio n/x-www-form-urlencoded" POST request are added to the $_POST array, and all key-value pairs sent via the URL's query string are added to the $_GET array.