Name
form:AddContent -- add a section to a multipart/formdata HTTP POST
Synopsis
form:AddContent(name, content[, type, headers])
Function
form:AddContent() is used to append a section when building a multipart/formdata HTTP POST (sometimes referred to as RFC 2388-style posts). Once you've added all the sections you want included, pass the form handle as parameter to #CURLOPT_HTTPPOST. See easy:SetOpt_HTTPPost for details.

You must call form:Free() after the form post has been done to free the resources.

Using POST with HTTP 1.1 implies the use of a "Expect: 100-continue" header. You can disable this header with #CURLOPT_HTTPHEADER as usual.

First, there are some basics you need to understand about multipart/formdata posts. Each part consists of at least a NAME and a CONTENTS part. If the part is made for file upload, there are also a stored CONTENT-TYPE and a FILENAME. Below, we'll discuss what options you use to set these properties in the parts you want to add to your post.

The name argument must be a string which provides the name of this part. The name is not allowed to contain zero-valued bytes. The content argument must contain the actual data to send. The optional argument type can be used to set the content-type for the part and the optional argument headers can be used to specify extra headers for the form POST section. This takes a table containing a list and appends the list of headers to those libcurl automatically generates.

Inputs
name
name of the part
content
actual data to send
type
optional: content-type for the part
headers
optional: extra headers for the POST section

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