mirror of
https://github.com/ninenines/cowboy.git
synced 2025-07-14 12:20:24 +00:00
51 lines
860 B
Text
51 lines
860 B
Text
= cowboy_req:headers(3)
|
|
|
|
== Name
|
|
|
|
cowboy_req:headers - HTTP headers
|
|
|
|
== Description
|
|
|
|
[source,erlang]
|
|
----
|
|
headers(Req :: cowboy_req:req()) -> cowboy:http_headers()
|
|
----
|
|
|
|
Return all request headers.
|
|
|
|
Request headers can also be obtained using pattern matching:
|
|
|
|
[source,erlang]
|
|
----
|
|
#{headers := Headers} = Req.
|
|
----
|
|
|
|
== Arguments
|
|
|
|
Req::
|
|
|
|
The Req object.
|
|
|
|
== Return value
|
|
|
|
Headers are returned as a map with keys being lowercase
|
|
binary strings, and values as binary strings.
|
|
|
|
== Changelog
|
|
|
|
* *2.0*: Only the headers are returned, they are no longer wrapped in a tuple.
|
|
* *1.0*: Function introduced.
|
|
|
|
== Examples
|
|
|
|
.Get all headers
|
|
[source,erlang]
|
|
----
|
|
Headers = cowboy_req:headers(Req).
|
|
----
|
|
|
|
== See also
|
|
|
|
link:man:cowboy_req(3)[cowboy_req(3)],
|
|
link:man:cowboy_req:header(3)[cowboy_req:header(3)],
|
|
link:man:cowboy_req:parse_header(3)[cowboy_req:parse_header(3)]
|