Merge branch '2.8' into 3.4

* 2.8:
  Use the proper path of version 2.x
  Added some minor explanation about 308 code
  Use 308 to ensure http method is preserved
  Fixed a minor error in form collections example
  fix(Extractor): ExtractorInterface called
  Update finder.rst
  Use HTTPS instead of HTTP outside XML

Author: javiereguiluz

best_practices/business-logic.rst

@@ -366,6 +366,6 @@ Next: :doc:`/best_practices/controllers`
 .. _`full definition`: https://en.wikipedia.org/wiki/Business_logic
 .. _`Doctrine project`: http://www.doctrine-project.org/
 .. _`fixture class`: https://symfony.com/doc/current/bundles/DoctrineFixturesBundle/index.html#writing-simple-fixtures
-.. _`PSR-1`: http://www.php-fig.org/psr/psr-1/
-.. _`PSR-2`: http://www.php-fig.org/psr/psr-2/
+.. _`PSR-1`: https://www.php-fig.org/psr/psr-1/
+.. _`PSR-2`: https://www.php-fig.org/psr/psr-2/
 .. _`PHP-CS-Fixer`: https://github.com/FriendsOfPHP/PHP-CS-Fixer

best_practices/creating-the-project.rst

@@ -173,6 +173,6 @@ structure of Symfony, you can
 Next: :doc:`/best_practices/configuration`
 
 .. _`Composer`: https://getcomposer.org/
-.. _`Phar extension`: http://php.net/manual/en/intro.phar.php
+.. _`Phar extension`: https://php.net/manual/en/intro.phar.php
 .. _`public checksums repository`: https://github.com/sensiolabs/checksums
 .. _`these steps`: http://fabien.potencier.org/signing-project-releases.html

bundles/best_practices.rst

@@ -450,9 +450,9 @@ Learn more
 * :doc:`/bundles/extension`
 * :doc:`/bundles/configuration`
 
-.. _`PSR-0`: http://www.php-fig.org/psr/psr-0/
-.. _`PSR-4`: http://www.php-fig.org/psr/psr-4/
-.. _`Semantic Versioning Standard`: http://semver.org/
+.. _`PSR-0`: https://www.php-fig.org/psr/psr-0/
+.. _`PSR-4`: https://www.php-fig.org/psr/psr-4/
+.. _`Semantic Versioning Standard`: https://semver.org/
 .. _`Packagist`: https://packagist.org/
-.. _`choose any license`: http://choosealicense.com/
+.. _`choose any license`: https://choosealicense.com/
 .. _`valid license identifier`: https://spdx.org/licenses/

components/class_loader.rst

@@ -68,8 +68,8 @@ Learn More
 
     class_loader/cache_class_loader
 
-.. _PSR-0: http://www.php-fig.org/psr/psr-0/
-.. _PSR-4: http://www.php-fig.org/psr/psr-4/
-.. _`autoloading mechanism`: http://php.net/manual/en/language.oop5.autoload.php
+.. _PSR-0: https://www.php-fig.org/psr/psr-0/
+.. _PSR-4: https://www.php-fig.org/psr/psr-4/
+.. _`autoloading mechanism`: https://php.net/manual/en/language.oop5.autoload.php
 .. _Packagist: https://packagist.org/packages/symfony/class-loader
 .. _`class loading optimizations`: https://getcomposer.org/doc/articles/autoloader-optimization.md

components/class_loader/class_loader.rst

@@ -71,5 +71,5 @@ the ``doctrine-common`` directory. If not found, it will then fallback to
 the default ``Doctrine`` directory (the last one configured) before giving
 up. The order of the prefix registrations is significant in this case.
 
-.. _PEAR:  http://pear.php.net/manual/en/standards.naming.php
-.. _PSR-0: http://www.php-fig.org/psr/psr-0/
+.. _PEAR:  https://pear.php.net/manual/en/standards.naming.php
+.. _PSR-0: https://www.php-fig.org/psr/psr-0/

components/class_loader/class_map_generator.rst

@@ -123,6 +123,6 @@ is the same as in the example above)::
         __DIR__.'/class_map.php'
     );
 
-.. _`PSR-0`: http://www.php-fig.org/psr/psr-0
-.. _`PSR-4`: http://www.php-fig.org/psr/psr-4
+.. _`PSR-0`: https://www.php-fig.org/psr/psr-0
+.. _`PSR-4`: https://www.php-fig.org/psr/psr-4
 .. _`Composer`: https://getcomposer.org

components/class_loader/map_class_loader.rst

@@ -38,4 +38,4 @@ an instance of the ``MapClassLoader`` class::
 
     $loader->register();
 
-.. _PSR-0: http://www.php-fig.org/psr/psr-0/
+.. _PSR-0: https://www.php-fig.org/psr/psr-0/

components/class_loader/psr4_class_loader.rst

@@ -58,4 +58,4 @@ tell the class loader where to look for classes with the
 ``Symfony\Component\Yaml\`` namespace prefix. After registering the autoloader,
 the Yaml component is ready to be used.
 
-.. _PSR-4: http://www.php-fig.org/psr/psr-4/
+.. _PSR-4: https://www.php-fig.org/psr/psr-4/

components/console/logger.rst

@@ -114,4 +114,4 @@ soon as any error message has been logged during the execution of the command.
 This is useful to decide which status code to return as the result of executing
 the command.
 
-.. _PSR-3: http://www.php-fig.org/psr/psr-3/
+.. _PSR-3: https://www.php-fig.org/psr/psr-3/

components/event_dispatcher.rst

@@ -513,6 +513,6 @@ Learn More
 * :ref:`The kernel.event_subscriber tag <dic-tags-kernel-event-subscriber>`
 
 .. _Mediator: https://en.wikipedia.org/wiki/Mediator_pattern
-.. _Closures: http://php.net/manual/en/functions.anonymous.php
-.. _PHP callable: http://www.php.net/manual/en/language.pseudo-types.php#language.types.callback
+.. _Closures: https://php.net/manual/en/functions.anonymous.php
+.. _PHP callable: https://php.net/manual/en/language.pseudo-types.php#language.types.callback
 .. _Packagist: https://packagist.org/packages/symfony/event-dispatcher