Remove more Symfony 2.x references

Author: wouterj

best_practices/configuration.rst

@@ -52,8 +52,8 @@ Canonical Parameters
     Define all your application's parameters in the
     ``app/config/parameters.yml.dist`` file.
 
-Since version 2.3, Symfony includes a configuration file called ``parameters.yml.dist``,
-which stores the canonical list of configuration parameters for the application.
+Symfony includes a configuration file called ``parameters.yml.dist``, which
+stores the canonical list of configuration parameters for the application.
 
 Whenever a new configuration parameter is defined for the application, you
 should also add it to this file and submit the changes to your version control

best_practices/creating-the-project.rst

@@ -114,8 +114,7 @@ ProductBundle, then there's no advantage to having two separate bundles.
     Create only one bundle called AppBundle for your application logic
 
 Implementing a single AppBundle bundle in your projects will make your code
-more concise and easier to understand. Starting in Symfony 2.6, the official
-Symfony documentation uses the AppBundle name.
+more concise and easier to understand.
 
 .. note::
 

best_practices/forms.rst

@@ -85,9 +85,10 @@ makes them easier to re-use later.
 
     Add buttons in the templates, not in the form classes or the controllers.
 
-Since Symfony 2.3, you can add buttons as fields on your form. This is a nice
-way to simplify the template that renders your form. But if you add the buttons
-directly in your form class, this would effectively limit the scope of that form:
+The Symfony Form component allows you to add buttons as fields on your form.
+This is a nice way to simplify the template that renders your form. But if you
+add the buttons directly in your form class, this would effectively limit the
+scope of that form:
 
 .. code-block:: php
 

best_practices/i18n.rst

@@ -32,9 +32,9 @@ Of all the available translation formats, only XLIFF and gettext have broad
 support in the tools used by professional translators. And since it's based
 on XML, you can validate XLIFF file contents as you write them.
 
-Symfony 2.6 added support for notes inside XLIFF files, making them more
-user-friendly for translators. At the end, good translations are all about
-context, and these XLIFF notes allow you to define that context.
+Symfony supports notes in XLIFF files, making them more user-friendly for
+translators. At the end, good translations are all about context, and these
+XLIFF notes allow you to define that context.
 
 .. tip::
 

best_practices/security.rst

@@ -270,7 +270,6 @@ the same ``getAuthorEmail`` logic you used above:
     use Symfony\Component\Security\Core\User\UserInterface;
     use AppBundle\Entity\Post;
 
-    // Voter class requires Symfony 2.8 or higher version
     class PostVoter extends Voter
     {
         const CREATE = 'create';

book/forms.rst

@@ -1014,8 +1014,6 @@ to the ``form()`` or the ``form_start()`` helper:
 
         <!-- app/Resources/views/default/newAction.html.php -->
         <?php echo $view['form']->start($form, array(
-            // The path() method was introduced in Symfony 2.8. Prior to 2.8,
-            // you had to use generate().
             'action' => $view['router']->path('target_route'),
             'method' => 'GET',
         )) ?>
@@ -1951,4 +1949,3 @@ Learn more from the Cookbook
 .. _`form_div_layout.html.twig`: https://github.com/symfony/symfony/blob/master/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
 .. _`Cross-site request forgery`: http://en.wikipedia.org/wiki/Cross-site_request_forgery
 .. _`view on GitHub`: https://github.com/symfony/symfony/tree/master/src/Symfony/Bundle/FrameworkBundle/Resources/views/Form
-.. _`2.8 UPGRADE Log`: https://github.com/symfony/symfony/blob/2.8/UPGRADE-2.8.md#form

book/from_flat_php_to_symfony2.rst

@@ -417,7 +417,7 @@ content:
 
     {
         "require": {
-            "symfony/symfony": "2.6.*"
+            "symfony/symfony": "3.0.*"
         },
         "autoload": {
             "files": ["model.php","controllers.php"]

book/http_cache.rst

@@ -1095,12 +1095,7 @@ matter), Symfony uses the standard ``render`` helper to configure ESI tags:
 
         <!-- ... or a URL -->
         <?php echo $view['actions']->render(
-            // The url() method was introduced in Symfony 2.8. Prior to 2.8,
-            // you had to use generate($name, $parameters, UrlGeneratorInterface::ABSOLUTE_URL)
-            $view['router']->url(
-                'latest_news',
-                array('maxPerPage' => 5),
-            ),
+            $view['router']->url('latest_news', array('maxPerPage' => 5)),
             array('strategy' => 'esi'),
         ) ?>
 

book/page_creation.rst

@@ -582,6 +582,6 @@ There's also a :doc:`Cookbook </cookbook/index>` *packed* with more advanced
 Have fun!
 
 .. _`Joyful Development with Symfony`: http://knpuniversity.com/screencast/symfony/first-page
-.. _`app/Resources/views/base.html.twig`: https://github.com/symfony/symfony-standard/blob/2.7/app/Resources/views/base.html.twig
+.. _`app/Resources/views/base.html.twig`: https://github.com/symfony/symfony-standard/blob/3.0/app/Resources/views/base.html.twig
 .. _`Composer`: https://getcomposer.org
 .. _`find open source bundles`: http://knpbundles.com

book/security.rst

@@ -511,7 +511,7 @@ else, you'll want to encode their passwords. The best algorithm to use is
         ));
 
 Of course, your users' passwords now need to be encoded with this exact algorithm.
-For hardcoded users, since 2.7 you can use the built-in command:
+For hardcoded users, you can use the built-in command:
 
 .. code-block:: bash
 
@@ -894,18 +894,6 @@ the built-in ``is_granted()`` helper function:
             <a href="...">Delete</a>
         <?php endif ?>
 
-.. note::
-
-    In Symfony versions previous to 2.8, using the ``is_granted()`` function
-    in a page that wasn't behind a firewall resulted in an exception. That's why
-    you also needed to check first for the existence of the user:
-
-    .. code-block:: html+twig
-
-        {% if app.user and is_granted('ROLE_ADMIN') %}
-
-    Starting from Symfony 2.8, the ``app.user and ...`` check is no longer needed.
-
 Securing other Services
 .......................