Merge pull request #7120 from kenjis/fix-docs-http.rst

docs: update http.rst

Author: kenjis

user_guide_src/source/concepts/http.rst

@@ -1,5 +1,5 @@
 ##########################
-Working With HTTP Requests
+Working with HTTP Requests
 ##########################
 
 In order to get the most out of CodeIgniter, you need to have a basic understanding of how HTTP requests

user_guide_src/source/concepts/http/001.php

@@ -2,9 +2,9 @@
 
 use CodeIgniter\HTTP\IncomingRequest;
 
-$request = service('request');
+$request = request();
 
-// the URI being requested (i.e., /about)
+// the URI path being requested (i.e., /about)
 $request->getUri()->getPath();
 
 // Retrieve $_GET and $_POST variables
@@ -22,7 +22,9 @@
 $request->getServer('Host');
 
 // Retrieve an HTTP Request header, with case-insensitive names
-$request->getHeader('host');
-$request->getHeader('Content-Type');
+$request->header('host');
+$request->header('Content-Type');
 
-$request->getMethod();  // get, post, put, etc
+// Checks the HTTP method
+$request->is('get');
+$request->is('post');

user_guide_src/source/concepts/http/002.php

@@ -2,7 +2,7 @@
 
 use CodeIgniter\HTTP\Response;
 
-$response = service('response');
+$response = response();
 
 $response->setStatusCode(Response::HTTP_OK);
 $response->setBody($output);