PUT is used by FB to update the comment because an existing resource is being updated, and that is what PUT does (updates a resource). PUT happens to be idempotent, in contrast to POST.

8 Samh 2011 · Can I use a PUT method in an HTML form to send data from the form to a server?

24 Márta 2014 · The difference between POST and PUT is that PUT is idempotent, that means, calling the same PUT request multiple times will always produce the same result (that is no side effect), …

28 Aib 2009 · I was wondering what people's opinions are of a RESTful PUT operation that returns nothing (null) in the response body.

Since PUT requests include the entire entity, if you issue the same request repeatedly, it should always have the same outcome (the data you sent is now the entire data of the entity). Therefore PUT is …

27 Meith 2015 · Difference between PUT, POST, GET, DELETE and PATCH in HTTP Verbs: The most commonly used HTTP verbs POST, GET, PUT, DELETE are similar to CRUD (Create, Read, Update and …

8 Noll 2012 · How do I test a RESTful PUT (or DELETE) method using cURL?

The difference between the PUT and PATCH requests is reflected in the way the server processes the enclosed entity to modify the resource identified by the Request-URI.

22 Feabh 2015 · -X PUT is redundant when using -T (which is short for --upload-file). This is basically the same as the accepted answer (which is a few years older).

9 Feabh 2014 · PUT and PATCH methods are similar in nature, but there is a key difference. PUT - in PUT request, the enclosed entity would be considered as the modified version of a resource which residing …