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 …

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

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

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). …

27 Meith 2015 · 437 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, …

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 …

14 Ean 2015 · The question asks how to use PUT and DELETE, and this answer explains how to use GET and POST

22 I know HTTP PUT is an idempotent request that store something at a specific URI, according to the definition (quoted from the rfc) The PUT method requests that the enclosed entity be stored …