bug #3614 [Internals] Fix Profiler:find() arguments (bicpi)

This PR was merged into the 2.3 branch.

Discussion
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[Internals] Fix Profiler:find() arguments

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets | -

`Symfony\Component\HttpKernel\Profiler\Profiler::find()` signature does not allow for optional `$start` and `$end` arguments, only the Profiler storage classes do. I've added an additional example to clarify the last two arguments.

Commits
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d631ce3 [Internals] Fix Profiler:find() arguments

Author: weaverryan

book/internals.rst

@@ -518,13 +518,16 @@ Use the :method:`Symfony\\Component\\HttpKernel\\Profiler\\Profiler::find`
 method to access tokens based on some criteria::
 
     // get the latest 10 tokens
-    $tokens = $container->get('profiler')->find('', '', 10);
+    $tokens = $container->get('profiler')->find('', '', 10, '', '');
 
     // get the latest 10 tokens for all URL containing /admin/
-    $tokens = $container->get('profiler')->find('', '/admin/', 10);
+    $tokens = $container->get('profiler')->find('', '/admin/', 10, '', '');
 
     // get the latest 10 tokens for local requests
-    $tokens = $container->get('profiler')->find('127.0.0.1', '', 10);
+    $tokens = $container->get('profiler')->find('127.0.0.1', '', 10, '', '');
+
+    // get the latest 10 tokens for requests that happened between 2 and 4 days ago
+    $tokens = $container->get('profiler')->find('', '', 10, '4 days ago', '2 days ago');
 
 If you want to manipulate profiling data on a different machine than the one
 where the information were generated, use the