Use HTTPS instead of HTTP outside XML

best_practices/business-logic.rst

@@ -340,6 +340,6 @@ 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

@@ -182,6 +182,6 @@ the Symfony directory structure.
 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

@@ -492,9 +492,9 @@ 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

@@ -59,7 +59,7 @@ Learn More
     class_loader/class_loader
     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

components/class_loader/cache_class_loader.rst

@@ -60,6 +60,6 @@ it is straightforward::
     // deactivates the original, non-cached loader if it was registered previously
     $loader->unregister();
 
-.. _APC:        http://php.net/manual/en/book.apc.php
+.. _APC:        https://php.net/manual/en/book.apc.php
 .. _autoloader: https://getcomposer.org/doc/01-basic-usage.md#autoloading
-.. _XCache:     http://xcache.lighttpd.net
+.. _XCache:     https://xcache.lighttpd.net

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

@@ -103,4 +103,4 @@ constructor::
     );
     $logger = new ConsoleLogger($output, array(), $formatLevelMap);
 
-.. _PSR-3: http://www.php-fig.org/psr/psr-3/
+.. _PSR-3: https://www.php-fig.org/psr/psr-3/

components/event_dispatcher.rst

@@ -517,6 +517,6 @@ 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

components/finder.rst

@@ -320,8 +320,8 @@ The contents of returned files can be read with
         // ...
     }
 
-.. _strtotime:    http://www.php.net/manual/en/datetime.formats.php
-.. _protocol:     http://www.php.net/manual/en/wrappers.php
-.. _Streams:      http://www.php.net/streams
-.. _IEC standard: http://physics.nist.gov/cuu/Units/binary.html
+.. _strtotime:    https://php.net/manual/en/datetime.formats.php
+.. _protocol:     https://php.net/manual/en/wrappers.php
+.. _Streams:      https://php.net/streams
+.. _IEC standard: https://physics.nist.gov/cuu/Units/binary.html
 .. _Packagist:    https://packagist.org/packages/symfony/finder

components/http_foundation/session_configuration.rst

@@ -314,6 +314,6 @@ without knowledge of the specific save handler.
     Before PHP 5.4, you can only proxy user-land save handlers but not
     native PHP save handlers.
 
-.. _`php.net/session.customhandler`: http://php.net/session.customhandler
-.. _`php.net/session.configuration`: http://php.net/session.configuration
-.. _`php.net/memcached.setoption`: http://php.net/memcached.setoption
+.. _`php.net/session.customhandler`: https://php.net/session.customhandler
+.. _`php.net/session.configuration`: https://php.net/session.configuration
+.. _`php.net/memcached.setoption`: https://php.net/memcached.setoption

components/http_kernel.rst

@@ -721,10 +721,10 @@ Learn more
    /reference/events
 
 .. _Packagist: https://packagist.org/packages/symfony/http-kernel
-.. _reflection: http://php.net/manual/en/book.reflection.php
+.. _reflection: https://php.net/manual/en/book.reflection.php
 .. _FOSRestBundle: https://github.com/friendsofsymfony/FOSRestBundle
 .. _`Create your own framework... on top of the Symfony2 Components`: http://fabien.potencier.org/article/50/create-your-own-framework-on-top-of-the-symfony2-components-part-1
-.. _`PHP FPM`: http://php.net/manual/en/install.fpm.php
+.. _`PHP FPM`: https://php.net/manual/en/install.fpm.php
 .. _`SensioFrameworkExtraBundle`: https://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/index.html
 .. _`@ParamConverter`: https://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/converters.html
 .. _`@Template`: https://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/view.html

components/intl.rst

@@ -351,6 +351,6 @@ Learn more
 
 .. _Packagist: https://packagist.org/packages/symfony/intl
 .. _Icu component: https://packagist.org/packages/symfony/icu
-.. _intl extension: http://www.php.net/manual/en/book.intl.php
-.. _install the intl extension: http://www.php.net/manual/en/intl.setup.php
+.. _intl extension: https://php.net/manual/en/book.intl.php
+.. _install the intl extension: https://php.net/manual/en/intl.setup.php
 .. _ICU library: http://site.icu-project.org/

components/phpunit_bridge.rst

@@ -153,8 +153,8 @@ compatibility reasons.
 
 .. _PHPUnit: https://phpunit.de
 .. _`PHPUnit event listener`: https://phpunit.de/manual/current/en/extending-phpunit.html#extending-phpunit.PHPUnit_Framework_TestListener
-.. _`PHP error handler`: http://php.net/manual/en/book.errorfunc.php
+.. _`PHP error handler`: https://php.net/manual/en/book.errorfunc.php
 .. _`environment variable`: https://phpunit.de/manual/current/en/appendixes.configuration.html#appendixes.configuration.php-ini-constants-variables
 .. _Packagist: https://packagist.org/packages/symfony/phpunit-bridge
-.. _`@-silencing operator`: http://php.net/manual/en/language.operators.errorcontrol.php
-.. _`@-silenced`: http://php.net/manual/en/language.operators.errorcontrol.php
+.. _`@-silencing operator`: https://php.net/manual/en/language.operators.errorcontrol.php
+.. _`@-silenced`: https://php.net/manual/en/language.operators.errorcontrol.php

components/process.rst

@@ -367,5 +367,5 @@ absolute path of the executable PHP binary available on your server::
 .. _`PHP Bug#39992`: https://bugs.php.net/bug.php?id=39992
 .. _`exec`: https://en.wikipedia.org/wiki/Exec_(operating_system)
 .. _`pid`: https://en.wikipedia.org/wiki/Process_identifier
-.. _`PHP Documentation`: http://php.net/manual/en/pcntl.constants.php
+.. _`PHP Documentation`: https://php.net/manual/en/pcntl.constants.php
 .. _Packagist: https://packagist.org/packages/symfony/process

components/psr7.rst

@@ -85,6 +85,6 @@ to a :class:`Symfony\\Component\\HttpFoundation\\Response` instance::
     $httpFoundationFactory = new HttpFoundationFactory();
     $symfonyResponse = $httpFoundationFactory->createResponse($psrResponse);
 
-.. _`PSR-7`: http://www.php-fig.org/psr/psr-7/
+.. _`PSR-7`: https://www.php-fig.org/psr/psr-7/
 .. _`Zend Diactoros`: https://github.com/zendframework/zend-diactoros
 .. _`symfony/psr-http-message-bridge on Packagist`: https://packagist.org/packages/symfony/psr-http-message-bridge

components/serializer.rst

@@ -652,6 +652,6 @@ Learn more
     A popular alternative to the Symfony Serializer Component is the third-party
     library, `JMS serializer`_ (released under the Apache license, so incompatible with GPLv2 projects).
 
-.. _`PSR-1 standard`: http://www.php-fig.org/psr/psr-1/
+.. _`PSR-1 standard`: https://www.php-fig.org/psr/psr-1/
 .. _`JMS serializer`: https://github.com/schmittjoh/serializer
 .. _Packagist: https://packagist.org/packages/symfony/serializer

contributing/code/bc.rst

@@ -291,9 +291,9 @@ Change value of a constant                          Yes [1]_ [5]_
        Changing an argument type is only possible with a parent type.
        Changing a return type is only possible with a child type.
 
-.. _Semantic Versioning: http://semver.org/
-.. _scalar type: http://php.net/manual/en/function.is-scalar.php
-.. _boolean values: http://php.net/manual/en/function.boolval.php
-.. _string values: http://www.php.net/manual/en/function.strval.php
-.. _integer values: http://www.php.net/manual/en/function.intval.php
-.. _float values: http://www.php.net/manual/en/function.floatval.php
+.. _Semantic Versioning: https://semver.org/
+.. _scalar type: https://php.net/manual/en/function.is-scalar.php
+.. _boolean values: https://php.net/manual/en/function.boolval.php
+.. _string values: https://php.net/manual/en/function.strval.php
+.. _integer values: https://php.net/manual/en/function.intval.php
+.. _float values: https://php.net/manual/en/function.floatval.php

contributing/code/bugs.rst

@@ -44,7 +44,7 @@ If your problem definitely looks like a bug, report it using the official bug
 
 * *(optional)* Attach a :doc:`patch <patches>`.
 
-.. _`Stack Overflow`: http://stackoverflow.com/questions/tagged/symfony2
+.. _`Stack Overflow`: https://stackoverflow.com/questions/tagged/symfony2
 .. _IRC channel: https://symfony.com/irc
 .. _the Symfony Slack: https://symfony.com/slack-invite
 .. _tracker: https://github.com/symfony/symfony/issues

contributing/code/patches.rst

@@ -368,15 +368,15 @@ convert many commits to one commit. This is no longer necessary today, because
 Symfony project uses a proprietary tool which automatically squashes all commits
 before merging.
 
-.. _ProGit: http://git-scm.com/book
+.. _ProGit: https://git-scm.com/book
 .. _GitHub: https://github.com/join
 .. _`GitHub's Documentation`: https://help.github.com/articles/ignoring-files
 .. _Symfony repository: https://github.com/symfony/symfony
-.. _dev mailing-list: http://groups.google.com/group/symfony-devs
+.. _dev mailing-list: https://groups.google.com/group/symfony-devs
 .. _travis-ci.org: https://travis-ci.org/
-.. _`travis-ci.org status icon`: http://about.travis-ci.org/docs/user/status-images/
-.. _`travis-ci.org Getting Started Guide`: http://about.travis-ci.org/docs/user/getting-started/
+.. _`travis-ci.org status icon`: https://about.travis-ci.com/docs/user/status-images/
+.. _`travis-ci.org Getting Started Guide`: https://about.travis-ci.com/docs/user/getting-started/
 .. _`documentation repository`: https://github.com/symfony/symfony-docs
-.. _`fabbot`: http://fabbot.io
-.. _`PSR-1`: http://www.php-fig.org/psr/psr-1/
-.. _`PSR-2`: http://www.php-fig.org/psr/psr-2/
+.. _`fabbot`: https://fabbot.io
+.. _`PSR-1`: https://www.php-fig.org/psr/psr-1/
+.. _`PSR-2`: https://www.php-fig.org/psr/psr-2/

contributing/code/standards.rst

@@ -261,9 +261,9 @@ License
   present at the top of every PHP file, before the namespace.
 
 .. _`PHP CS Fixer tool`: http://cs.sensiolabs.org/
-.. _`PSR-0`: http://www.php-fig.org/psr/psr-0/
-.. _`PSR-1`: http://www.php-fig.org/psr/psr-1/
-.. _`PSR-2`: http://www.php-fig.org/psr/psr-2/
-.. _`PSR-4`: http://www.php-fig.org/psr/psr-4/
-.. _`identical comparison`: http://php.net/manual/en/language.operators.comparison.php
+.. _`PSR-0`: https://www.php-fig.org/psr/psr-0/
+.. _`PSR-1`: https://www.php-fig.org/psr/psr-1/
+.. _`PSR-2`: https://www.php-fig.org/psr/psr-2/
+.. _`PSR-4`: https://www.php-fig.org/psr/psr-4/
+.. _`identical comparison`: https://php.net/manual/en/language.operators.comparison.php
 .. _`Yoda conditions`: https://en.wikipedia.org/wiki/Yoda_conditions

contributing/community/releases.rst

@@ -187,7 +187,7 @@ version: a new version is published every six months, and there is a two months
 period to upgrade. Companies wanting more stability use the LTS versions: a new
 version is published every two years and there is a year to upgrade.
 
-.. _Semantic Versioning: http://semver.org/
+.. _Semantic Versioning: https://semver.org/
 .. _Git repository: https://github.com/symfony/symfony
 .. _SensioLabs:     http://sensiolabs.com/
 .. _roadmap notification: https://symfony.com/roadmap

controller/soap_web_service.rst

@@ -199,7 +199,7 @@ An example WSDL is below.
         </service>
     </definitions>
 
-.. _`PHP SOAP`: http://php.net/manual/en/book.soap.php
+.. _`PHP SOAP`: https://php.net/manual/en/book.soap.php
 .. _`NuSOAP`: http://sourceforge.net/projects/nusoap
-.. _`output buffering`: http://php.net/manual/en/book.outcontrol.php
+.. _`output buffering`: https://php.net/manual/en/book.outcontrol.php
 .. _`Zend SOAP`: http://framework.zend.com/manual/current/en/modules/zend.soap.server.html

create_framework/http_foundation.rst

@@ -289,16 +289,16 @@ applications using it (like `Symfony`_, `Drupal 8`_, `phpBB 3`_, `ezPublish
 5`_, `Laravel`_, `Silex`_ and `more`_).
 
 .. _`Twig`: http://twig.sensiolabs.org/
-.. _`HTTP specification`: http://tools.ietf.org/wg/httpbis/
+.. _`HTTP specification`: https://tools.ietf.org/wg/httpbis/
 .. _`audited`: https://symfony.com/blog/symfony2-security-audit
 .. _`Symfony`: https://symfony.com/
 .. _`Drupal 8`: https://drupal.org/
 .. _`phpBB 3`: https://www.phpbb.com/
-.. _`ezPublish 5`: http://ez.no/
-.. _`Laravel`: http://laravel.com/
-.. _`Silex`: http://silex.sensiolabs.org/
+.. _`ezPublish 5`: https://ez.no/
+.. _`Laravel`: https://laravel.com/
+.. _`Silex`: https://silex.sensiolabs.org/
 .. _`Midgard CMS`: http://www.midgard-project.org/
-.. _`Zikula`: http://zikula.org/
-.. _`autoloaded`: http://php.net/autoload
-.. _`PSR-4`: http://www.php-fig.org/psr/psr-4/
+.. _`Zikula`: https://zikula.org/
+.. _`autoloaded`: https://php.net/autoload
+.. _`PSR-4`: https://www.php-fig.org/psr/psr-4/
 .. _`more`: https://symfony.com/components/HttpFoundation

create_framework/http_kernel_controller_resolver.rst

@@ -194,5 +194,5 @@ Let's conclude with the new version of our framework::
 Think about it once more: our framework is more robust and more flexible than
 ever and it still has less than 40 lines of code.
 
-.. _`reflection`: http://php.net/reflection
+.. _`reflection`: https://php.net/reflection
 .. _`FrameworkExtraBundle`: https://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/converters.html

create_framework/templating.rst

@@ -177,5 +177,5 @@ As always, you can decide to stop here and use the framework as is; it's
 probably all you need to create simple websites like those fancy one-page
 `websites`_ and hopefully a few others.
 
-.. _`callbacks`: http://php.net/callback#language.types.callback
-.. _`websites`: http://kottke.org/08/02/single-serving-sites
+.. _`callbacks`: https://php.net/callback#language.types.callback
+.. _`websites`: https://kottke.org/08/02/single-serving-sites

create_framework/unit_testing.rst

@@ -212,4 +212,4 @@ safely think about the next batch of features we want to add to our framework.
 
 .. _`PHPUnit`: https://phpunit.de/manual/current/en/index.html
 .. _`test doubles`: https://phpunit.de/manual/current/en/test-doubles.html
-.. _`XDebug`: http://xdebug.org/
+.. _`XDebug`: https://xdebug.org/

deployment/azure-website.rst

@@ -453,6 +453,6 @@ of steps needed so that deployment becomes even easier.
 
 .. _`sign up with Azure`: https://azure.microsoft.com/free/
 .. _`Azure Portal`: https://portal.azure.com
-.. _`PHP MSDN documentation`: http://blogs.msdn.com/b/silverlining/archive/2012/07/10/configuring-php-in-windows-azure-websites-with-user-ini-files.aspx
-.. _`git-scm.com`: http://git-scm.com/download
+.. _`PHP MSDN documentation`: https://blogs.msdn.com/b/silverlining/archive/2012/07/10/configuring-php-in-windows-azure-websites-with-user-ini-files.aspx
+.. _`git-scm.com`: https://git-scm.com/download
 .. _`SymfonyAzureEdition`: https://github.com/beberlei/symfony-azure-edition/

doctrine/dbal.rst

@@ -195,7 +195,7 @@ mapping type:
             ),
         ));
 
-.. _`PDO`:           http://www.php.net/pdo
+.. _`PDO`:           https://php.net/pdo
 .. _`Doctrine`:      http://www.doctrine-project.org
 .. _`DBAL Documentation`: http://docs.doctrine-project.org/projects/doctrine-dbal/en/latest/index.html
 .. _`Custom Mapping Types`: http://docs.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/types.html#custom-mapping-types

forms.rst

@@ -739,4 +739,4 @@ Learn more
 * :doc:`/http_cache/form_csrf_caching`
 
 .. _`Symfony Form component`: https://github.com/symfony/form
-.. _`DateTime`: http://php.net/manual/en/class.datetime.php
+.. _`DateTime`: https://php.net/manual/en/class.datetime.php

performance.rst

@@ -212,10 +212,10 @@ Learn more
 * :doc:`/http_cache/form_csrf_caching`
 
 .. _`byte code caches`: https://en.wikipedia.org/wiki/List_of_PHP_accelerators
-.. _`OPcache`: http://php.net/manual/en/book.opcache.php
+.. _`OPcache`: https://php.net/manual/en/book.opcache.php
 .. _`bootstrap file`: https://github.com/sensiolabs/SensioDistributionBundle/blob/master/Composer/ScriptHandler.php
 .. _`Composer's autoloader optimization`: https://getcomposer.org/doc/articles/autoloader-optimization.md
-.. _`APC`: http://php.net/manual/en/book.apc.php
+.. _`APC`: https://php.net/manual/en/book.apc.php
 .. _`APCu Polyfill component`: https://github.com/symfony/polyfill-apcu
-.. _`APCu PHP functions`: http://php.net/manual/en/ref.apcu.php
+.. _`APCu PHP functions`: https://php.net/manual/en/ref.apcu.php
 .. _`cachetool`: https://github.com/gordalina/cachetool

reference/constraints/GreaterThan.rst

@@ -307,4 +307,4 @@ comparison value.
 
 .. include:: /reference/constraints/_payload-option.rst.inc
 
-.. _`accepted by the DateTime constructor`: http://www.php.net/manual/en/datetime.formats.php
+.. _`accepted by the DateTime constructor`: https://php.net/manual/en/datetime.formats.php

reference/constraints/GreaterThanOrEqual.rst

@@ -305,4 +305,4 @@ to the comparison value.
 
 .. include:: /reference/constraints/_payload-option.rst.inc
 
-.. _`accepted by the DateTime constructor`: http://www.php.net/manual/en/datetime.formats.php
+.. _`accepted by the DateTime constructor`: https://php.net/manual/en/datetime.formats.php

reference/constraints/LessThan.rst

@@ -306,4 +306,4 @@ comparison value.
 
 .. include:: /reference/constraints/_payload-option.rst.inc
 
-.. _`accepted by the DateTime constructor`: http://www.php.net/manual/en/datetime.formats.php
+.. _`accepted by the DateTime constructor`: https://php.net/manual/en/datetime.formats.php

reference/constraints/LessThanOrEqual.rst

@@ -304,4 +304,4 @@ to the comparison value.
 
 .. include:: /reference/constraints/_payload-option.rst.inc
 
-.. _`accepted by the DateTime constructor`: http://www.php.net/manual/en/datetime.formats.php
+.. _`accepted by the DateTime constructor`: https://php.net/manual/en/datetime.formats.php

reference/constraints/Range.rst

@@ -359,5 +359,5 @@ the `is_numeric`_ PHP function).
 
 .. include:: /reference/constraints/_payload-option.rst.inc
 
-.. _`is_numeric`: http://www.php.net/manual/en/function.is-numeric.php
-.. _`accepted by the DateTime constructor`: http://www.php.net/manual/en/datetime.formats.php
+.. _`is_numeric`: https://php.net/manual/en/function.is-numeric.php
+.. _`accepted by the DateTime constructor`: https://php.net/manual/en/datetime.formats.php