From 775703e1f9b99500ecc362fd0eef5212b3580619 Mon Sep 17 00:00:00 2001
From: Tom Kadwill <tomkadwill@gmail.com>
Date: Thu, 12 May 2016 07:05:41 +0100
Subject: Document and test ActionDispatch server_port

---
 actionpack/lib/action_dispatch/http/url.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'actionpack/lib/action_dispatch/http/url.rb')

diff --git a/actionpack/lib/action_dispatch/http/url.rb b/actionpack/lib/action_dispatch/http/url.rb
index b7a6aeee7d..7a1350a46d 100644
--- a/actionpack/lib/action_dispatch/http/url.rb
+++ b/actionpack/lib/action_dispatch/http/url.rb
@@ -354,6 +354,17 @@ module ActionDispatch
         standard_port? ? '' : ":#{port}"
       end
 
+      # Returns the requested port, such as 8080, based on SERVER_PORT
+      #
+      #   class Request < Rack::Request
+      #     include ActionDispatch::Http::URL
+      #   end
+      #
+      #   req = Request.new 'SERVER_PORT' => '80'
+      #   req.server_port # => 80
+      #
+      #   req = Request.new 'SERVER_PORT' => '8080'
+      #   req.server_port # => 8080
       def server_port
         get_header('SERVER_PORT').to_i
       end
-- 
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