bug #11408 [HttpFoundation] Update QUERY_STRING when overrideGlobals (yguedidi)

This PR was merged into the 2.3 branch.

Discussion
----------

[HttpFoundation] Update QUERY_STRING when overrideGlobals

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
-------

777666f [HttpFoundation] Update QUERY_STRING when overrideGlobals

src/Symfony/Component/HttpFoundation/Request.php

@@ -479,6 +479,8 @@ class Request
      */
     public function overrideGlobals()
     {
+        $this->server->set('QUERY_STRING', static::normalizeQueryString(http_build_query($this->query->all(), null, '&')));
+
         $_GET = $this->query->all();
         $_POST = $this->request->all();
         $_SERVER = $this->server->all();

src/Symfony/Component/HttpFoundation/Tests/RequestTest.php

@@ -1009,6 +1009,15 @@ class RequestTest extends \PHPUnit_Framework_TestCase
 
         $this->assertArrayHasKey('HTTP_X_FORWARDED_PROTO', $_SERVER);
 
+        $request->initialize(array('foo' => 'bar', 'baz' => 'foo'));
+        $request->query->remove('baz');
+
+        $request->overrideGlobals();
+
+        $this->assertEquals(array('foo' => 'bar'), $_GET);
+        $this->assertEquals('foo=bar', $_SERVER['QUERY_STRING']);
+        $this->assertEquals('foo=bar', $request->server->get('QUERY_STRING'));
+
         // restore initial $_SERVER array
         $_SERVER = $server;
     }