diff --git a/src/Symfony/Bridge/Doctrine/DependencyInjection/CompilerPass/RegisterEventListenersAndSubscribersPass.php b/src/Symfony/Bridge/Doctrine/DependencyInjection/CompilerPass/RegisterEventListenersAndSubscribersPass.php
index 6016c8ce09..8f26d60e17 100644
--- a/src/Symfony/Bridge/Doctrine/DependencyInjection/CompilerPass/RegisterEventListenersAndSubscribersPass.php
+++ b/src/Symfony/Bridge/Doctrine/DependencyInjection/CompilerPass/RegisterEventListenersAndSubscribersPass.php
@@ -125,8 +125,8 @@ class RegisterEventListenersAndSubscribersPass implements CompilerPassInterface
      * and knowing that the \SplPriorityQueue class does not respect the FIFO method,
      * we should not use this class.
      *
-     * @see https://bugs.php.net/bug.php?id=53710
-     * @see https://bugs.php.net/bug.php?id=60926
+     * @see https://bugs.php.net/53710
+     * @see https://bugs.php.net/60926
      *
      * @return array
      */
diff --git a/src/Symfony/Bridge/Twig/Extension/CodeExtension.php b/src/Symfony/Bridge/Twig/Extension/CodeExtension.php
index 56211fe6ec..9733884a9e 100644
--- a/src/Symfony/Bridge/Twig/Extension/CodeExtension.php
+++ b/src/Symfony/Bridge/Twig/Extension/CodeExtension.php
@@ -137,7 +137,7 @@ class CodeExtension extends AbstractExtension
     {
         if (is_file($file) && is_readable($file)) {
             // highlight_file could throw warnings
-            // see https://bugs.php.net/bug.php?id=25725
+            // see https://bugs.php.net/25725
             $code = @highlight_file($file, true);
             // remove main code/span tags
             $code = preg_replace('#^<code.*?>\s*<span.*?>(.*)</span>\s*</code>#s', '\\1', $code);
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
index 9caea53511..e2a52eb0a8 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
@@ -225,7 +225,7 @@ class FrameworkExtension extends Extension
 
         if ($this->isConfigEnabled($container, $config['session'])) {
             if (!\extension_loaded('session')) {
-                throw new LogicException('Session support cannot be enabled as the session extension is not installed. See https://www.php.net/session.installation for instructions.');
+                throw new LogicException('Session support cannot be enabled as the session extension is not installed. See https://php.net/session.installation for instructions.');
             }
 
             $this->sessionConfigEnabled = true;
diff --git a/src/Symfony/Bundle/FrameworkBundle/Templating/Helper/CodeHelper.php b/src/Symfony/Bundle/FrameworkBundle/Templating/Helper/CodeHelper.php
index 1d8885ba40..adca7e5625 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Templating/Helper/CodeHelper.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Templating/Helper/CodeHelper.php
@@ -131,7 +131,7 @@ class CodeHelper extends Helper
             }
 
             // highlight_file could throw warnings
-            // see https://bugs.php.net/bug.php?id=25725
+            // see https://bugs.php.net/25725
             $code = @highlight_file($file, true);
             // remove main code/span tags
             $code = preg_replace('#^<code.*?>\s*<span.*?>(.*)</span>\s*</code>#s', '\\1', $code);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerTraitTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerTraitTest.php
index 462a415fff..2f9e901be9 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerTraitTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerTraitTest.php
@@ -426,10 +426,10 @@ abstract class ControllerTraitTest extends TestCase
     public function testRedirect()
     {
         $controller = $this->createController();
-        $response = $controller->redirect('http://dunglas.fr', 301);
+        $response = $controller->redirect('https://dunglas.fr', 301);
 
         $this->assertInstanceOf('Symfony\Component\HttpFoundation\RedirectResponse', $response);
-        $this->assertSame('http://dunglas.fr', $response->getTargetUrl());
+        $this->assertSame('https://dunglas.fr', $response->getTargetUrl());
         $this->assertSame(301, $response->getStatusCode());
     }
 
diff --git a/src/Symfony/Bundle/WebServerBundle/Command/ServerRunCommand.php b/src/Symfony/Bundle/WebServerBundle/Command/ServerRunCommand.php
index e306a65925..68185ea0b6 100644
--- a/src/Symfony/Bundle/WebServerBundle/Command/ServerRunCommand.php
+++ b/src/Symfony/Bundle/WebServerBundle/Command/ServerRunCommand.php
@@ -79,7 +79,7 @@ Specify your own router script via the <info>--router</info> option:
 
   <info>%command.full_name% --router=app/config/router.php</info>
 
-See also: http://www.php.net/manual/en/features.commandline.webserver.php
+See also: https://php.net/features.commandline.webserver
 EOF
             )
         ;
diff --git a/src/Symfony/Bundle/WebServerBundle/Command/ServerStartCommand.php b/src/Symfony/Bundle/WebServerBundle/Command/ServerStartCommand.php
index c481856b29..4de0695192 100644
--- a/src/Symfony/Bundle/WebServerBundle/Command/ServerStartCommand.php
+++ b/src/Symfony/Bundle/WebServerBundle/Command/ServerStartCommand.php
@@ -79,7 +79,7 @@ Specify your own router script via the <info>--router</info> option:
 
   <info>php %command.full_name% --router=app/config/router.php</info>
 
-See also: http://www.php.net/manual/en/features.commandline.webserver.php
+See also: https://php.net/features.commandline.webserver
 EOF
             )
         ;
diff --git a/src/Symfony/Bundle/WebServerBundle/Resources/router.php b/src/Symfony/Bundle/WebServerBundle/Resources/router.php
index 30d6b258a2..d93ffef70c 100644
--- a/src/Symfony/Bundle/WebServerBundle/Resources/router.php
+++ b/src/Symfony/Bundle/WebServerBundle/Resources/router.php
@@ -12,7 +12,7 @@
 /*
  * This file implements rewrite rules for PHP built-in web server.
  *
- * See: http://www.php.net/manual/en/features.commandline.webserver.php
+ * See: https://php.net/features.commandline.webserver
  *
  * If you have custom directory layout, then you have to write your own router
  * and pass it as a value to 'router' option of server:run command.
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/PredisAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/PredisAdapterTest.php
index 6fa53b01ad..1408e5eec7 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/PredisAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/PredisAdapterTest.php
@@ -18,7 +18,7 @@ class PredisAdapterTest extends AbstractRedisAdapterTest
 {
     public static function setUpBeforeClass(): void
     {
-        parent::setupBeforeClass();
+        parent::setUpBeforeClass();
         self::$redis = new \Predis\Client(['host' => getenv('REDIS_HOST')]);
     }
 
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/PredisClusterAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/PredisClusterAdapterTest.php
index 21f18a0db2..63fb7ecba6 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/PredisClusterAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/PredisClusterAdapterTest.php
@@ -15,7 +15,7 @@ class PredisClusterAdapterTest extends AbstractRedisAdapterTest
 {
     public static function setUpBeforeClass(): void
     {
-        parent::setupBeforeClass();
+        parent::setUpBeforeClass();
         self::$redis = new \Predis\Client([['host' => getenv('REDIS_HOST')]]);
     }
 
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/RedisAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/RedisAdapterTest.php
index d0480c3893..b039289cdc 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/RedisAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/RedisAdapterTest.php
@@ -19,7 +19,7 @@ class RedisAdapterTest extends AbstractRedisAdapterTest
 {
     public static function setUpBeforeClass(): void
     {
-        parent::setupBeforeClass();
+        parent::setUpBeforeClass();
         self::$redis = AbstractAdapter::createConnection('redis://'.getenv('REDIS_HOST'), ['lazy' => true]);
     }
 
diff --git a/src/Symfony/Component/Console/Logger/ConsoleLogger.php b/src/Symfony/Component/Console/Logger/ConsoleLogger.php
index 36f3b99fa7..3a2853daee 100644
--- a/src/Symfony/Component/Console/Logger/ConsoleLogger.php
+++ b/src/Symfony/Component/Console/Logger/ConsoleLogger.php
@@ -22,7 +22,7 @@ use Symfony\Component\Console\Output\OutputInterface;
  *
  * @author Kévin Dunglas <dunglas@gmail.com>
  *
- * @see http://www.php-fig.org/psr/psr-3/
+ * @see https://www.php-fig.org/psr/psr-3/
  */
 class ConsoleLogger extends AbstractLogger
 {
diff --git a/src/Symfony/Component/Debug/Tests/ExceptionHandlerTest.php b/src/Symfony/Component/Debug/Tests/ExceptionHandlerTest.php
index 03ba15fe6e..ab6da5fb5e 100644
--- a/src/Symfony/Component/Debug/Tests/ExceptionHandlerTest.php
+++ b/src/Symfony/Component/Debug/Tests/ExceptionHandlerTest.php
@@ -125,7 +125,7 @@ content="0;url=data:text/html;base64,PHNjcmlwdD5hbGVydCgndGVzdDMnKTwvc2NyaXB0Pg"
         });
 
         $handler->handle(new \Exception());
-        ob_end_flush(); // Necessary because of this PHP bug : https://bugs.php.net/bug.php?id=76563
+        ob_end_flush(); // Necessary because of this PHP bug : https://bugs.php.net/76563
         $this->assertSame('ccc', ob_get_clean());
     }
 
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php b/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
index 5f04eadef8..00ba6d499b 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
@@ -31,8 +31,8 @@ trait PriorityTaggedServiceTrait
      * and knowing that the \SplPriorityQueue class does not respect the FIFO method,
      * we should not use that class.
      *
-     * @see https://bugs.php.net/bug.php?id=53710
-     * @see https://bugs.php.net/bug.php?id=60926
+     * @see https://bugs.php.net/53710
+     * @see https://bugs.php.net/60926
      *
      * @param string|TaggedIteratorArgument $tagName
      * @param ContainerBuilder              $container
diff --git a/src/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php b/src/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php
index 6579076db7..83d10a89be 100644
--- a/src/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php
+++ b/src/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php
@@ -285,7 +285,7 @@ class EventDispatcherTest extends TestCase
     }
 
     /**
-     * @see https://bugs.php.net/bug.php?id=62976
+     * @see https://bugs.php.net/62976
      *
      * This bug affects:
      *  - The PHP 5.3 branch for versions < 5.3.18
diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index dd3d8b471e..8f5c852229 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -53,7 +53,7 @@ class Filesystem
         }
 
         if ($doCopy) {
-            // https://bugs.php.net/bug.php?id=64634
+            // https://bugs.php.net/64634
             if (false === $source = @fopen($originFile, 'r')) {
                 throw new IOException(sprintf('Failed to copy "%s" to "%s" because source file could not be opened for reading.', $originFile, $targetFile), 0, null, $originFile);
             }
@@ -281,7 +281,7 @@ class Filesystem
 
         if (true !== @rename($origin, $target)) {
             if (is_dir($origin)) {
-                // See https://bugs.php.net/bug.php?id=54097 & http://php.net/manual/en/function.rename.php#113943
+                // See https://bugs.php.net/54097 & https://php.net/rename#113943
                 $this->mirror($origin, $target, null, ['override' => $overwrite, 'delete' => $overwrite]);
                 $this->remove($origin);
 
diff --git a/src/Symfony/Component/Filesystem/Tests/FilesystemTestCase.php b/src/Symfony/Component/Filesystem/Tests/FilesystemTestCase.php
index 90fe7afdf0..e52401343d 100644
--- a/src/Symfony/Component/Filesystem/Tests/FilesystemTestCase.php
+++ b/src/Symfony/Component/Filesystem/Tests/FilesystemTestCase.php
@@ -144,7 +144,7 @@ class FilesystemTestCase extends TestCase
             $this->markTestSkipped('symlink requires "Create symbolic links" privilege on Windows');
         }
 
-        // https://bugs.php.net/bug.php?id=69473
+        // https://bugs.php.net/69473
         if ($relative && '\\' === \DIRECTORY_SEPARATOR && 1 === PHP_ZTS) {
             $this->markTestSkipped('symlink does not support relative paths on thread safe Windows PHP versions');
         }
diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php
index a56e8e98cb..fde557b0cc 100644
--- a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php
+++ b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToLocalizedStringTransformer.php
@@ -136,7 +136,7 @@ class DateTimeToLocalizedStringTransformer extends BaseDateTimeTransformer
                 $dateTime = new \DateTime(sprintf('@%s', $timestamp));
             }
             // set timezone separately, as it would be ignored if set via the constructor,
-            // see http://php.net/manual/en/datetime.construct.php
+            // see https://php.net/datetime.construct
             $dateTime->setTimezone(new \DateTimeZone($this->outputTimezone));
         } catch (\Exception $e) {
             throw new TransformationFailedException($e->getMessage(), $e->getCode(), $e);
@@ -169,7 +169,7 @@ class DateTimeToLocalizedStringTransformer extends BaseDateTimeTransformer
 
         $intlDateFormatter = new \IntlDateFormatter(\Locale::getDefault(), $dateFormat, $timeFormat, $timezone, $calendar, $pattern);
 
-        // new \intlDateFormatter may return null instead of false in case of failure, see https://bugs.php.net/bug.php?id=66323
+        // new \intlDateFormatter may return null instead of false in case of failure, see https://bugs.php.net/66323
         if (!$intlDateFormatter) {
             throw new TransformationFailedException(intl_get_error_message(), intl_get_error_code());
         }
diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
index c82de94f5b..866bdb3c8b 100644
--- a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
+++ b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
@@ -54,7 +54,7 @@ class DateTimeToStringTransformer extends BaseDateTimeTransformer
 
         $this->generateFormat = $this->parseFormat = $format;
 
-        // See http://php.net/manual/en/datetime.createfromformat.php
+        // See https://php.net/datetime.createfromformat
         // The character "|" in the format makes sure that the parts of a date
         // that are *not* specified in the format are reset to the corresponding
         // values from 1970-01-01 00:00:00 instead of the current time.
diff --git a/src/Symfony/Component/Form/Extension/Core/Type/BaseType.php b/src/Symfony/Component/Form/Extension/Core/Type/BaseType.php
index f6c222a1be..30c2a09c65 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/BaseType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/BaseType.php
@@ -76,7 +76,7 @@ abstract class BaseType extends AbstractType
 
             // Strip leading underscores and digits. These are allowed in
             // form names, but not in HTML4 ID attributes.
-            // http://www.w3.org/TR/html401/struct/global.html#adef-id
+            // https://www.w3.org/TR/html401/struct/global#adef-id
             $id = ltrim($id, '_0123456789');
         }
 
diff --git a/src/Symfony/Component/Form/Extension/Core/Type/DateType.php b/src/Symfony/Component/Form/Extension/Core/Type/DateType.php
index 39b0a9e51b..86bd2fa6ed 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/DateType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/DateType.php
@@ -108,13 +108,13 @@ class DateType extends AbstractType
                 \Locale::getDefault(),
                 $dateFormat,
                 $timeFormat,
-                // see https://bugs.php.net/bug.php?id=66323
+                // see https://bugs.php.net/66323
                 class_exists('IntlTimeZone', false) ? \IntlTimeZone::createDefault() : null,
                 $calendar,
                 $pattern
             );
 
-            // new \IntlDateFormatter may return null instead of false in case of failure, see https://bugs.php.net/bug.php?id=66323
+            // new \IntlDateFormatter may return null instead of false in case of failure, see https://bugs.php.net/66323
             if (!$formatter) {
                 throw new InvalidOptionsException(intl_get_error_message(), intl_get_error_code());
             }
diff --git a/src/Symfony/Component/HttpClient/CurlHttpClient.php b/src/Symfony/Component/HttpClient/CurlHttpClient.php
index 75e7d5e922..93c57ca9f2 100644
--- a/src/Symfony/Component/HttpClient/CurlHttpClient.php
+++ b/src/Symfony/Component/HttpClient/CurlHttpClient.php
@@ -75,7 +75,7 @@ final class CurlHttpClient implements HttpClientInterface, LoggerAwareInterface
             curl_multi_setopt($this->multi->handle, CURLMOPT_MAX_HOST_CONNECTIONS, 0 < $maxHostConnections ? $maxHostConnections : PHP_INT_MAX);
         }
 
-        // Skip configuring HTTP/2 push when it's unsupported or buggy, see https://bugs.php.net/bug.php?id=77535
+        // Skip configuring HTTP/2 push when it's unsupported or buggy, see https://bugs.php.net/77535
         if (0 >= $maxPendingPushes || \PHP_VERSION_ID < 70217 || (\PHP_VERSION_ID >= 70300 && \PHP_VERSION_ID < 70304)) {
             return;
         }
diff --git a/src/Symfony/Component/HttpFoundation/CHANGELOG.md b/src/Symfony/Component/HttpFoundation/CHANGELOG.md
index 54acd6ae10..1ce01aea24 100644
--- a/src/Symfony/Component/HttpFoundation/CHANGELOG.md
+++ b/src/Symfony/Component/HttpFoundation/CHANGELOG.md
@@ -78,7 +78,7 @@ CHANGELOG
 -----
 
  * the `Request::setTrustedProxies()` method takes a new `$trustedHeaderSet` argument,
-   see http://symfony.com/doc/current/components/http_foundation/trusting_proxies.html for more info,
+   see https://symfony.com/doc/current/deployment/proxies.html for more info,
  * deprecated the `Request::setTrustedHeaderName()` and `Request::getTrustedHeaderName()` methods,
  * added `File\Stream`, to be passed to `BinaryFileResponse` when the size of the served file is unknown,
    disabling `Range` and `Content-Length` handling, switching to chunked encoding instead
diff --git a/src/Symfony/Component/HttpFoundation/File/MimeType/FileinfoMimeTypeGuesser.php b/src/Symfony/Component/HttpFoundation/File/MimeType/FileinfoMimeTypeGuesser.php
index bb32370175..4f88550761 100644
--- a/src/Symfony/Component/HttpFoundation/File/MimeType/FileinfoMimeTypeGuesser.php
+++ b/src/Symfony/Component/HttpFoundation/File/MimeType/FileinfoMimeTypeGuesser.php
@@ -31,7 +31,7 @@ class FileinfoMimeTypeGuesser implements MimeTypeGuesserInterface
     /**
      * @param string $magicFile A magic file to use with the finfo instance
      *
-     * @see http://www.php.net/manual/en/function.finfo-open.php
+     * @see https://php.net/finfo-open
      */
     public function __construct(string $magicFile = null)
     {
diff --git a/src/Symfony/Component/HttpFoundation/JsonResponse.php b/src/Symfony/Component/HttpFoundation/JsonResponse.php
index c0a6916f05..11a0bebf88 100644
--- a/src/Symfony/Component/HttpFoundation/JsonResponse.php
+++ b/src/Symfony/Component/HttpFoundation/JsonResponse.php
@@ -100,7 +100,7 @@ class JsonResponse extends Response
     public function setCallback($callback = null)
     {
         if (null !== $callback) {
-            // partially taken from http://www.geekality.net/2011/08/03/valid-javascript-identifier/
+            // partially taken from https://geekality.net/2011/08/03/valid-javascript-identifier/
             // partially taken from https://github.com/willdurand/JsonpCallbackValidator
             //      JsonpCallbackValidator is released under the MIT License. See https://github.com/willdurand/JsonpCallbackValidator/blob/v1.1.0/LICENSE for details.
             //      (c) William Durand <william.durand1@gmail.com>
diff --git a/src/Symfony/Component/HttpFoundation/ParameterBag.php b/src/Symfony/Component/HttpFoundation/ParameterBag.php
index f05e4a2154..194ba2c6c5 100644
--- a/src/Symfony/Component/HttpFoundation/ParameterBag.php
+++ b/src/Symfony/Component/HttpFoundation/ParameterBag.php
@@ -191,7 +191,7 @@ class ParameterBag implements \IteratorAggregate, \Countable
      * @param int    $filter  FILTER_* constant
      * @param mixed  $options Filter options
      *
-     * @see http://php.net/manual/en/function.filter-var.php
+     * @see https://php.net/filter-var
      *
      * @return mixed
      */
diff --git a/src/Symfony/Component/HttpFoundation/RedirectResponse.php b/src/Symfony/Component/HttpFoundation/RedirectResponse.php
index 8d04aa42c9..3abdf3eb44 100644
--- a/src/Symfony/Component/HttpFoundation/RedirectResponse.php
+++ b/src/Symfony/Component/HttpFoundation/RedirectResponse.php
@@ -30,7 +30,7 @@ class RedirectResponse extends Response
      *
      * @throws \InvalidArgumentException
      *
-     * @see http://tools.ietf.org/html/rfc2616#section-10.3
+     * @see https://tools.ietf.org/html/rfc2616#section-10.3
      */
     public function __construct(?string $url, int $status = 302, array $headers = [])
     {
diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index fd8e11948d..cae858ce71 100644
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -799,7 +799,7 @@ class Request
      * @return string The client IP address
      *
      * @see getClientIps()
-     * @see http://en.wikipedia.org/wiki/X-Forwarded-For
+     * @see https://wikipedia.org/wiki/X-Forwarded-For
      */
     public function getClientIp()
     {
@@ -1084,7 +1084,7 @@ class Request
         // A reference to the same base directory or an empty subdirectory must be prefixed with "./".
         // This also applies to a segment with a colon character (e.g., "file:colon") that cannot be used
         // as the first segment of a relative-path reference, as it would be mistaken for a scheme name
-        // (see http://tools.ietf.org/html/rfc3986#section-4.2).
+        // (see https://tools.ietf.org/html/rfc3986#section-4.2).
         return !isset($path[0]) || '/' === $path[0]
             || false !== ($colonPos = strpos($path, ':')) && ($colonPos < ($slashPos = strpos($path, '/')) || false === $slashPos)
             ? "./$path" : $path;
@@ -1689,7 +1689,7 @@ class Request
      * It works if your JavaScript library sets an X-Requested-With HTTP header.
      * It is known to work with common JavaScript frameworks:
      *
-     * @see http://en.wikipedia.org/wiki/List_of_Ajax_frameworks#JavaScript
+     * @see https://wikipedia.org/wiki/List_of_Ajax_frameworks#JavaScript
      *
      * @return bool true if the request is an XMLHttpRequest, false otherwise
      */
@@ -1701,9 +1701,9 @@ class Request
     /*
      * The following methods are derived from code of the Zend Framework (1.10dev - 2010-01-24)
      *
-     * Code subject to the new BSD license (http://framework.zend.com/license/new-bsd).
+     * Code subject to the new BSD license (https://framework.zend.com/license).
      *
-     * Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+     * Copyright (c) 2005-2010 Zend Technologies USA Inc. (https://www.zend.com/)
      */
 
     protected function prepareRequestUri()
diff --git a/src/Symfony/Component/HttpFoundation/Response.php b/src/Symfony/Component/HttpFoundation/Response.php
index d1263ca7a1..2ee8dcbf8a 100644
--- a/src/Symfony/Component/HttpFoundation/Response.php
+++ b/src/Symfony/Component/HttpFoundation/Response.php
@@ -121,7 +121,7 @@ class Response
      * Status codes translation table.
      *
      * The list of codes is complete according to the
-     * {@link http://www.iana.org/assignments/http-status-codes/ Hypertext Transfer Protocol (HTTP) Status Code Registry}
+     * {@link https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml Hypertext Transfer Protocol (HTTP) Status Code Registry}
      * (last updated 2016-03-01).
      *
      * Unless otherwise noted, the status code is defined in RFC2616.
@@ -990,7 +990,7 @@ class Response
      *
      * @return $this
      *
-     * @see http://tools.ietf.org/html/rfc2616#section-10.3.5
+     * @see https://tools.ietf.org/html/rfc2616#section-10.3.5
      *
      * @final
      */
@@ -1092,7 +1092,7 @@ class Response
     /**
      * Is response invalid?
      *
-     * @see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+     * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
      *
      * @final
      */
diff --git a/src/Symfony/Component/HttpFoundation/ServerBag.php b/src/Symfony/Component/HttpFoundation/ServerBag.php
index 90da49fae5..4c82b17748 100644
--- a/src/Symfony/Component/HttpFoundation/ServerBag.php
+++ b/src/Symfony/Component/HttpFoundation/ServerBag.php
@@ -79,7 +79,7 @@ class ServerBag extends ParameterBag
                     /*
                      * XXX: Since there is no PHP_AUTH_BEARER in PHP predefined variables,
                      *      I'll just set $headers['AUTHORIZATION'] here.
-                     *      http://php.net/manual/en/reserved.variables.server.php
+                     *      https://php.net/reserved.variables.server
                      */
                     $headers['AUTHORIZATION'] = $authorizationHeader;
                 }
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MemcachedSessionHandler.php b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MemcachedSessionHandler.php
index 1db590b360..8965c089c1 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MemcachedSessionHandler.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MemcachedSessionHandler.php
@@ -15,7 +15,7 @@ namespace Symfony\Component\HttpFoundation\Session\Storage\Handler;
  * Memcached based session storage handler based on the Memcached class
  * provided by the PHP memcached extension.
  *
- * @see http://php.net/memcached
+ * @see https://php.net/memcached
  *
  * @author Drak <drak@zikula.org>
  */
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MongoDbSessionHandler.php b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MongoDbSessionHandler.php
index 4efaf412a3..db85f06e3e 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MongoDbSessionHandler.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/MongoDbSessionHandler.php
@@ -56,7 +56,7 @@ class MongoDbSessionHandler extends AbstractSessionHandler
      *         { "expireAfterSeconds": 0 }
      *     )
      *
-     * More details on: http://docs.mongodb.org/manual/tutorial/expire-data/
+     * More details on: https://docs.mongodb.org/manual/tutorial/expire-data/
      *
      * If you use such an index, you can drop `gc_probability` to 0 since
      * no garbage-collection is required.
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/NativeFileSessionHandler.php b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/NativeFileSessionHandler.php
index fbc25c3ef3..bdfc9d819e 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/NativeFileSessionHandler.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/NativeFileSessionHandler.php
@@ -23,7 +23,7 @@ class NativeFileSessionHandler extends \SessionHandler
      *                         Default null will leave setting as defined by PHP.
      *                         '/path', 'N;/path', or 'N;octal-mode;/path
      *
-     * @see https://php.net/manual/session.configuration.php#ini.session.save-path for further details.
+     * @see https://php.net/session.configuration#ini.session.save-path for further details.
      *
      * @throws \InvalidArgumentException On invalid $savePath
      * @throws \RuntimeException         When failing to create the save directory
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php
index a3877ef4c7..42ea911305 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php
@@ -32,7 +32,7 @@ namespace Symfony\Component\HttpFoundation\Session\Storage\Handler;
  * Saving it in a character column could corrupt the data. You can use createTable()
  * to initialize a correctly defined table.
  *
- * @see http://php.net/sessionhandlerinterface
+ * @see https://php.net/sessionhandlerinterface
  *
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Michael Williams <michael.williams@funsational.com>
@@ -538,7 +538,7 @@ class PdoSessionHandler extends AbstractSessionHandler
      * PDO::rollback or PDO::inTransaction for SQLite.
      *
      * Also MySQLs default isolation, REPEATABLE READ, causes deadlock for different sessions
-     * due to http://www.mysqlperformanceblog.com/2013/12/12/one-more-innodb-gap-lock-to-avoid/ .
+     * due to https://percona.com/blog/2013/12/12/one-more-innodb-gap-lock-to-avoid/ .
      * So we change it to READ COMMITTED.
      */
     private function beginTransaction()
@@ -850,7 +850,7 @@ class PdoSessionHandler extends AbstractSessionHandler
                 break;
             case 'sqlsrv' === $this->driver && version_compare($this->pdo->getAttribute(\PDO::ATTR_SERVER_VERSION), '10', '>='):
                 // MERGE is only available since SQL Server 2008 and must be terminated by semicolon
-                // It also requires HOLDLOCK according to http://weblogs.sqlteam.com/dang/archive/2009/01/31/UPSERT-Race-Condition-With-MERGE.aspx
+                // It also requires HOLDLOCK according to https://weblogs.sqlteam.com/dang/2009/01/31/upsert-race-condition-with-merge/
                 $mergeSql = "MERGE INTO $this->table WITH (HOLDLOCK) USING (SELECT 1 AS dummy) AS src ON ($this->idCol = ?) ".
                     "WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (?, ?, ?, ?) ".
                     "WHEN MATCHED THEN UPDATE SET $this->dataCol = ?, $this->lifetimeCol = ?, $this->timeCol = ?;";
@@ -863,7 +863,7 @@ class PdoSessionHandler extends AbstractSessionHandler
                     "ON CONFLICT ($this->idCol) DO UPDATE SET ($this->dataCol, $this->lifetimeCol, $this->timeCol) = (EXCLUDED.$this->dataCol, EXCLUDED.$this->lifetimeCol, EXCLUDED.$this->timeCol)";
                 break;
             default:
-                // MERGE is not supported with LOBs: http://www.oracle.com/technetwork/articles/fuecks-lobs-095315.html
+                // MERGE is not supported with LOBs: https://oracle.com/technetwork/articles/fuecks-lobs-095315.html
                 return null;
         }
 
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
index 9e03bfa41b..9de3dea87f 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
@@ -60,7 +60,7 @@ class NativeSessionStorage implements SessionStorageInterface
      *
      * List of options for $options array with their defaults.
      *
-     * @see http://php.net/session.configuration for options
+     * @see https://php.net/session.configuration for options
      * but we omit 'session.' from the beginning of the keys for convenience.
      *
      * ("auto_start", is not supported as it tells PHP to start a session before
@@ -223,7 +223,7 @@ class NativeSessionStorage implements SessionStorageInterface
         $isRegenerated = session_regenerate_id($destroy);
 
         // The reference to $_SESSION in session bags is lost in PHP7 and we need to re-create it.
-        // @see https://bugs.php.net/bug.php?id=70013
+        // @see https://bugs.php.net/70013
         $this->loadSession();
 
         if (null !== $this->emulateSameSite) {
@@ -355,7 +355,7 @@ class NativeSessionStorage implements SessionStorageInterface
      *
      * @param array $options Session ini directives [key => value]
      *
-     * @see http://php.net/session.configuration
+     * @see https://php.net/session.configuration
      */
     public function setOptions(array $options)
     {
@@ -401,10 +401,10 @@ class NativeSessionStorage implements SessionStorageInterface
      * constructor, for a template see NativeFileSessionHandler or use handlers in
      * composer package drak/native-session
      *
-     * @see http://php.net/session-set-save-handler
-     * @see http://php.net/sessionhandlerinterface
-     * @see http://php.net/sessionhandler
-     * @see http://github.com/drak/NativeSession
+     * @see https://php.net/session-set-save-handler
+     * @see https://php.net/sessionhandlerinterface
+     * @see https://php.net/sessionhandler
+     * @see https://github.com/zikula/NativeSession
      *
      * @param \SessionHandlerInterface|null $saveHandler
      *
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/SessionStorageInterface.php b/src/Symfony/Component/HttpFoundation/Session/Storage/SessionStorageInterface.php
index 66e8b33dd2..eeb396a2f1 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/SessionStorageInterface.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/SessionStorageInterface.php
@@ -77,7 +77,7 @@ interface SessionStorageInterface
      * only delete the session data from persistent storage.
      *
      * Care: When regenerating the session ID no locking is involved in PHP's
-     * session design. See https://bugs.php.net/bug.php?id=61470 for a discussion.
+     * session design. See https://bugs.php.net/61470 for a discussion.
      * So you must make sure the regenerated session is saved BEFORE sending the
      * headers with the new ID. Symfony's HttpKernel offers a listener for this.
      * See Symfony\Component\HttpKernel\EventListener\SaveSessionListener.
diff --git a/src/Symfony/Component/HttpKernel/EventListener/AbstractSessionListener.php b/src/Symfony/Component/HttpKernel/EventListener/AbstractSessionListener.php
index d89bc813f7..3595249891 100644
--- a/src/Symfony/Component/HttpKernel/EventListener/AbstractSessionListener.php
+++ b/src/Symfony/Component/HttpKernel/EventListener/AbstractSessionListener.php
@@ -106,7 +106,7 @@ abstract class AbstractSessionListener implements EventSubscriberInterface
              *    the one above. But by saving the session before long-running things in the terminate event,
              *    we ensure the session is not blocked longer than needed.
              *  * When regenerating the session ID no locking is involved in PHPs session design. See
-             *    https://bugs.php.net/bug.php?id=61470 for a discussion. So in this case, the session must
+             *    https://bugs.php.net/61470 for a discussion. So in this case, the session must
              *    be saved anyway before sending the headers with the new session ID. Otherwise session
              *    data could get lost again for concurrent requests with the new ID. One result could be
              *    that you get logged out after just logging in.
diff --git a/src/Symfony/Component/HttpKernel/Profiler/Profiler.php b/src/Symfony/Component/HttpKernel/Profiler/Profiler.php
index 4a32c78420..a31640feeb 100644
--- a/src/Symfony/Component/HttpKernel/Profiler/Profiler.php
+++ b/src/Symfony/Component/HttpKernel/Profiler/Profiler.php
@@ -128,7 +128,7 @@ class Profiler implements ResetInterface
      *
      * @return array An array of tokens
      *
-     * @see http://php.net/manual/en/datetime.formats.php for the supported date/time formats
+     * @see https://php.net/datetime.formats for the supported date/time formats
      */
     public function find($ip, $url, $limit, $method, $start, $end, $statusCode = null)
     {
diff --git a/src/Symfony/Component/Intl/Collator/Collator.php b/src/Symfony/Component/Intl/Collator/Collator.php
index 79ffb072aa..07debfb52c 100644
--- a/src/Symfony/Component/Intl/Collator/Collator.php
+++ b/src/Symfony/Component/Intl/Collator/Collator.php
@@ -130,7 +130,7 @@ class Collator
      *                  0 if $str1 is equal than $str2
      *                  -1 if $str1 is less than $str2
      *
-     * @see http://www.php.net/manual/en/collator.compare.php
+     * @see https://php.net/collator.compare
      *
      * @throws MethodNotImplementedException
      */
@@ -146,7 +146,7 @@ class Collator
      *
      * @return bool|int The attribute value on success or false on error
      *
-     * @see http://www.php.net/manual/en/collator.getattribute.php
+     * @see https://php.net/collator.getattribute
      *
      * @throws MethodNotImplementedException
      */
@@ -195,7 +195,7 @@ class Collator
      *
      * @return string The collation key for $string
      *
-     * @see http://www.php.net/manual/en/collator.getsortkey.php
+     * @see https://php.net/collator.getsortkey
      *
      * @throws MethodNotImplementedException
      */
@@ -209,7 +209,7 @@ class Collator
      *
      * @return bool|int The current collator's strength or false on failure
      *
-     * @see http://www.php.net/manual/en/collator.getstrength.php
+     * @see https://php.net/collator.getstrength
      *
      * @throws MethodNotImplementedException
      */
@@ -226,7 +226,7 @@ class Collator
      *
      * @return bool True on success or false on failure
      *
-     * @see http://www.php.net/manual/en/collator.setattribute.php
+     * @see https://php.net/collator.setattribute
      *
      * @throws MethodNotImplementedException
      */
@@ -248,7 +248,7 @@ class Collator
      *
      * @return bool True on success or false on failure
      *
-     * @see http://www.php.net/manual/en/collator.setstrength.php
+     * @see https://php.net/collator.setstrength
      *
      * @throws MethodNotImplementedException
      */
@@ -264,7 +264,7 @@ class Collator
      *
      * @return bool True on success or false on failure
      *
-     * @see http://www.php.net/manual/en/collator.sortwithsortkeys.php
+     * @see https://php.net/collator.sortwithsortkeys
      *
      * @throws MethodNotImplementedException
      */
@@ -284,7 +284,7 @@ class Collator
      *
      * @return bool True on success or false on failure
      *
-     * @see http://www.php.net/manual/en/collator.sort.php
+     * @see https://php.net/collator.sort
      *
      * @throws MethodNotImplementedException
      */
diff --git a/src/Symfony/Component/Intl/Data/Generator/LanguageDataGenerator.php b/src/Symfony/Component/Intl/Data/Generator/LanguageDataGenerator.php
index f87a58bd1c..482fbf1780 100644
--- a/src/Symfony/Component/Intl/Data/Generator/LanguageDataGenerator.php
+++ b/src/Symfony/Component/Intl/Data/Generator/LanguageDataGenerator.php
@@ -27,7 +27,7 @@ use Symfony\Component\Intl\Exception\RuntimeException;
 class LanguageDataGenerator extends AbstractDataGenerator
 {
     /**
-     * Source: http://www-01.sil.org/iso639-3/codes.asp.
+     * Source: https://iso639-3.sil.org/code_tables/639/data
      */
     private static $preferredAlpha2ToAlpha3Mapping = [
         'ak' => 'aka',
diff --git a/src/Symfony/Component/Intl/Data/Util/ArrayAccessibleResourceBundle.php b/src/Symfony/Component/Intl/Data/Util/ArrayAccessibleResourceBundle.php
index dcc2befde6..d1de8d5b09 100644
--- a/src/Symfony/Component/Intl/Data/Util/ArrayAccessibleResourceBundle.php
+++ b/src/Symfony/Component/Intl/Data/Util/ArrayAccessibleResourceBundle.php
@@ -16,7 +16,7 @@ use Symfony\Component\Intl\Exception\BadMethodCallException;
 /**
  * Work-around for a bug in PHP's \ResourceBundle implementation.
  *
- * More information can be found on https://bugs.php.net/bug.php?id=64356.
+ * More information can be found on https://bugs.php.net/64356.
  * This class can be removed once that bug is fixed.
  *
  * @author Bernhard Schussek <bschussek@gmail.com>
diff --git a/src/Symfony/Component/Intl/DateFormatter/DateFormat/TimezoneTransformer.php b/src/Symfony/Component/Intl/DateFormatter/DateFormat/TimezoneTransformer.php
index 2c40eae729..0a5b84fb65 100644
--- a/src/Symfony/Component/Intl/DateFormatter/DateFormat/TimezoneTransformer.php
+++ b/src/Symfony/Component/Intl/DateFormatter/DateFormat/TimezoneTransformer.php
@@ -92,8 +92,7 @@ class TimezoneTransformer extends Transformer
      *
      * @return string A timezone identifier
      *
-     * @see http://php.net/manual/en/timezones.others.php
-     * @see http://www.twinsun.com/tz/tz-link.htm
+     * @see https://php.net/timezones.others
      *
      * @throws NotImplementedException   When the GMT time zone have minutes offset different than zero
      * @throws \InvalidArgumentException When the value can not be matched with pattern
diff --git a/src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php b/src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
index 79c025ce45..8d9e6e13cc 100644
--- a/src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
+++ b/src/Symfony/Component/Intl/DateFormatter/IntlDateFormatter.php
@@ -126,7 +126,7 @@ class IntlDateFormatter
      *                                                          supported value is IntlDateFormatter::GREGORIAN (or null using the default calendar, i.e. "GREGORIAN")
      * @param string|null                             $pattern  Optional pattern to use when formatting
      *
-     * @see http://www.php.net/manual/en/intldateformatter.create.php
+     * @see https://php.net/intldateformatter.create
      * @see http://userguide.icu-project.org/formatparse/datetime
      *
      * @throws MethodArgumentValueNotImplementedException When $locale different than "en" or null is passed
@@ -162,7 +162,7 @@ class IntlDateFormatter
      *
      * @return self
      *
-     * @see http://www.php.net/manual/en/intldateformatter.create.php
+     * @see https://php.net/intldateformatter.create
      * @see http://userguide.icu-project.org/formatparse/datetime
      *
      * @throws MethodArgumentValueNotImplementedException When $locale different than "en" or null is passed
@@ -180,7 +180,7 @@ class IntlDateFormatter
      *
      * @return string|bool The formatted value or false if formatting failed
      *
-     * @see http://www.php.net/manual/en/intldateformatter.format.php
+     * @see https://php.net/intldateformatter.format
      *
      * @throws MethodArgumentValueNotImplementedException If one of the formatting characters is not implemented
      */
@@ -231,7 +231,7 @@ class IntlDateFormatter
      *
      * @return string The formatted value
      *
-     * @see http://www.php.net/manual/en/intldateformatter.formatobject.php
+     * @see https://php.net/intldateformatter.formatobject
      *
      * @throws MethodNotImplementedException
      */
@@ -246,7 +246,7 @@ class IntlDateFormatter
      * @return int The calendar being used by the formatter. Currently always returns
      *             IntlDateFormatter::GREGORIAN.
      *
-     * @see http://www.php.net/manual/en/intldateformatter.getcalendar.php
+     * @see https://php.net/intldateformatter.getcalendar
      */
     public function getCalendar()
     {
@@ -258,7 +258,7 @@ class IntlDateFormatter
      *
      * @return object The calendar's object being used by the formatter
      *
-     * @see http://www.php.net/manual/en/intldateformatter.getcalendarobject.php
+     * @see https://php.net/intldateformatter.getcalendarobject
      *
      * @throws MethodNotImplementedException
      */
@@ -272,7 +272,7 @@ class IntlDateFormatter
      *
      * @return int The current value of the formatter
      *
-     * @see http://www.php.net/manual/en/intldateformatter.getdatetype.php
+     * @see https://php.net/intldateformatter.getdatetype
      */
     public function getDateType()
     {
@@ -284,7 +284,7 @@ class IntlDateFormatter
      *
      * @return int The error code from last formatter call
      *
-     * @see http://www.php.net/manual/en/intldateformatter.geterrorcode.php
+     * @see https://php.net/intldateformatter.geterrorcode
      */
     public function getErrorCode()
     {
@@ -296,7 +296,7 @@ class IntlDateFormatter
      *
      * @return string The error message from last formatter call
      *
-     * @see http://www.php.net/manual/en/intldateformatter.geterrormessage.php
+     * @see https://php.net/intldateformatter.geterrormessage
      */
     public function getErrorMessage()
     {
@@ -311,7 +311,7 @@ class IntlDateFormatter
      * @return string The locale used to create the formatter. Currently always
      *                returns "en".
      *
-     * @see http://www.php.net/manual/en/intldateformatter.getlocale.php
+     * @see https://php.net/intldateformatter.getlocale
      */
     public function getLocale($type = Locale::ACTUAL_LOCALE)
     {
@@ -323,7 +323,7 @@ class IntlDateFormatter
      *
      * @return string The pattern string used by the formatter
      *
-     * @see http://www.php.net/manual/en/intldateformatter.getpattern.php
+     * @see https://php.net/intldateformatter.getpattern
      */
     public function getPattern()
     {
@@ -335,7 +335,7 @@ class IntlDateFormatter
      *
      * @return int The time type used by the formatter
      *
-     * @see http://www.php.net/manual/en/intldateformatter.gettimetype.php
+     * @see https://php.net/intldateformatter.gettimetype
      */
     public function getTimeType()
     {
@@ -347,7 +347,7 @@ class IntlDateFormatter
      *
      * @return string The timezone identifier used by the formatter
      *
-     * @see http://www.php.net/manual/en/intldateformatter.gettimezoneid.php
+     * @see https://php.net/intldateformatter.gettimezoneid
      */
     public function getTimeZoneId()
     {
@@ -363,7 +363,7 @@ class IntlDateFormatter
      *
      * @return mixed The timezone used by the formatter
      *
-     * @see http://www.php.net/manual/en/intldateformatter.gettimezone.php
+     * @see https://php.net/intldateformatter.gettimezone
      *
      * @throws MethodNotImplementedException
      */
@@ -377,7 +377,7 @@ class IntlDateFormatter
      *
      * @return bool Currently always returns false
      *
-     * @see http://www.php.net/manual/en/intldateformatter.islenient.php
+     * @see https://php.net/intldateformatter.islenient
      *
      * @throws MethodNotImplementedException
      */
@@ -397,7 +397,7 @@ class IntlDateFormatter
      *
      * @return string Localtime compatible array of integers: contains 24 hour clock value in tm_hour field
      *
-     * @see http://www.php.net/manual/en/intldateformatter.localtime.php
+     * @see https://php.net/intldateformatter.localtime
      *
      * @throws MethodNotImplementedException
      */
@@ -417,7 +417,7 @@ class IntlDateFormatter
      *
      * @return int Parsed value as a timestamp
      *
-     * @see http://www.php.net/manual/en/intldateformatter.parse.php
+     * @see https://php.net/intldateformatter.parse
      *
      * @throws MethodArgumentNotImplementedException When $position different than null, behavior not implemented
      */
@@ -447,7 +447,7 @@ class IntlDateFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/intldateformatter.setcalendar.php
+     * @see https://php.net/intldateformatter.setcalendar
      *
      * @throws MethodNotImplementedException
      */
@@ -469,7 +469,7 @@ class IntlDateFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/intldateformatter.setlenient.php
+     * @see https://php.net/intldateformatter.setlenient
      *
      * @throws MethodArgumentValueNotImplementedException When $lenient is true
      */
@@ -489,7 +489,7 @@ class IntlDateFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/intldateformatter.setpattern.php
+     * @see https://php.net/intldateformatter.setpattern
      * @see http://userguide.icu-project.org/formatparse/datetime
      */
     public function setPattern($pattern)
@@ -512,7 +512,7 @@ class IntlDateFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/intldateformatter.settimezoneid.php
+     * @see https://php.net/intldateformatter.settimezoneid
      */
     public function setTimeZoneId($timeZoneId)
     {
@@ -556,7 +556,7 @@ class IntlDateFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/intldateformatter.settimezone.php
+     * @see https://php.net/intldateformatter.settimezone
      */
     public function setTimeZone($timeZone)
     {
diff --git a/src/Symfony/Component/Intl/Locale/Locale.php b/src/Symfony/Component/Intl/Locale/Locale.php
index 053f1db56f..b030d68c44 100644
--- a/src/Symfony/Component/Intl/Locale/Locale.php
+++ b/src/Symfony/Component/Intl/Locale/Locale.php
@@ -48,7 +48,7 @@ class Locale
      *
      * @return string The corresponding locale code
      *
-     * @see http://www.php.net/manual/en/locale.acceptfromhttp.php
+     * @see https://php.net/locale.acceptfromhttp
      *
      * @throws MethodNotImplementedException
      */
@@ -97,7 +97,7 @@ class Locale
      *
      * @return string The corresponding locale code
      *
-     * @see http://www.php.net/manual/en/locale.composelocale.php
+     * @see https://php.net/locale.composelocale
      *
      * @throws MethodNotImplementedException
      */
@@ -115,7 +115,7 @@ class Locale
      *
      * @return string The corresponding locale code
      *
-     * @see http://www.php.net/manual/en/locale.filtermatches.php
+     * @see https://php.net/locale.filtermatches
      *
      * @throws MethodNotImplementedException
      */
@@ -131,7 +131,7 @@ class Locale
      *
      * @return array The locale variants
      *
-     * @see http://www.php.net/manual/en/locale.getallvariants.php
+     * @see https://php.net/locale.getallvariants
      *
      * @throws MethodNotImplementedException
      */
@@ -145,7 +145,7 @@ class Locale
      *
      * @return string The default locale code. Always returns 'en'
      *
-     * @see http://www.php.net/manual/en/locale.getdefault.php
+     * @see https://php.net/locale.getdefault
      */
     public static function getDefault()
     {
@@ -160,7 +160,7 @@ class Locale
      *
      * @return string The localized language display name
      *
-     * @see http://www.php.net/manual/en/locale.getdisplaylanguage.php
+     * @see https://php.net/locale.getdisplaylanguage
      *
      * @throws MethodNotImplementedException
      */
@@ -177,7 +177,7 @@ class Locale
      *
      * @return string The localized locale display name
      *
-     * @see http://www.php.net/manual/en/locale.getdisplayname.php
+     * @see https://php.net/locale.getdisplayname
      *
      * @throws MethodNotImplementedException
      */
@@ -194,7 +194,7 @@ class Locale
      *
      * @return string The localized region display name
      *
-     * @see http://www.php.net/manual/en/locale.getdisplayregion.php
+     * @see https://php.net/locale.getdisplayregion
      *
      * @throws MethodNotImplementedException
      */
@@ -211,7 +211,7 @@ class Locale
      *
      * @return string The localized script display name
      *
-     * @see http://www.php.net/manual/en/locale.getdisplayscript.php
+     * @see https://php.net/locale.getdisplayscript
      *
      * @throws MethodNotImplementedException
      */
@@ -228,7 +228,7 @@ class Locale
      *
      * @return string The localized variant display name
      *
-     * @see http://www.php.net/manual/en/locale.getdisplayvariant.php
+     * @see https://php.net/locale.getdisplayvariant
      *
      * @throws MethodNotImplementedException
      */
@@ -244,7 +244,7 @@ class Locale
      *
      * @return array Associative array with the extracted variants
      *
-     * @see http://www.php.net/manual/en/locale.getkeywords.php
+     * @see https://php.net/locale.getkeywords
      *
      * @throws MethodNotImplementedException
      */
@@ -260,7 +260,7 @@ class Locale
      *
      * @return string|null The extracted language code or null in case of error
      *
-     * @see http://www.php.net/manual/en/locale.getprimarylanguage.php
+     * @see https://php.net/locale.getprimarylanguage
      *
      * @throws MethodNotImplementedException
      */
@@ -276,7 +276,7 @@ class Locale
      *
      * @return string|null The extracted region code or null if not present
      *
-     * @see http://www.php.net/manual/en/locale.getregion.php
+     * @see https://php.net/locale.getregion
      *
      * @throws MethodNotImplementedException
      */
@@ -292,7 +292,7 @@ class Locale
      *
      * @return string|null The extracted script code or null if not present
      *
-     * @see http://www.php.net/manual/en/locale.getscript.php
+     * @see https://php.net/locale.getscript
      *
      * @throws MethodNotImplementedException
      */
@@ -309,7 +309,7 @@ class Locale
      * @param bool   $canonicalize If true, the arguments will be converted to canonical form before matching
      * @param string $default      The locale to use if no match is found
      *
-     * @see http://www.php.net/manual/en/locale.lookup.php
+     * @see https://php.net/locale.lookup
      *
      * @throws MethodNotImplementedException
      */
@@ -325,7 +325,7 @@ class Locale
      *
      * @return array Associative array with the extracted subtags
      *
-     * @see http://www.php.net/manual/en/locale.parselocale.php
+     * @see https://php.net/locale.parselocale
      *
      * @throws MethodNotImplementedException
      */
@@ -341,7 +341,7 @@ class Locale
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/locale.setdefault.php
+     * @see https://php.net/locale.setdefault
      *
      * @throws MethodNotImplementedException
      */
diff --git a/src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php b/src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php
index 0c14a0ffdb..d86d757929 100644
--- a/src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php
+++ b/src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php
@@ -198,7 +198,7 @@ class NumberFormatter
      * The mapping between NumberFormatter rounding modes to the available
      * modes in PHP's round() function.
      *
-     * @see http://www.php.net/manual/en/function.round.php
+     * @see https://php.net/round
      */
     private static $phpRoundingMap = [
         self::ROUND_HALFDOWN => \PHP_ROUND_HALF_DOWN,
@@ -249,7 +249,7 @@ class NumberFormatter
      *                             NumberFormat::PATTERN_RULEBASED. It must conform to  the syntax
      *                             described in the ICU DecimalFormat or ICU RuleBasedNumberFormat documentation
      *
-     * @see http://www.php.net/manual/en/numberformatter.create.php
+     * @see https://php.net/numberformatter.create
      * @see http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details
      * @see http://www.icu-project.org/apiref/icu4c/classRuleBasedNumberFormat.html#_details
      *
@@ -288,7 +288,7 @@ class NumberFormatter
      *
      * @return self
      *
-     * @see http://www.php.net/manual/en/numberformatter.create.php
+     * @see https://php.net/numberformatter.create
      * @see http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details
      * @see http://www.icu-project.org/apiref/icu4c/classRuleBasedNumberFormat.html#_details
      *
@@ -309,7 +309,7 @@ class NumberFormatter
      *
      * @return string The formatted currency value
      *
-     * @see http://www.php.net/manual/en/numberformatter.formatcurrency.php
+     * @see https://php.net/numberformatter.formatcurrency
      * @see https://en.wikipedia.org/wiki/ISO_4217#Active_codes
      */
     public function formatCurrency($value, $currency)
@@ -346,7 +346,7 @@ class NumberFormatter
      *
      * @return bool|string The formatted value or false on error
      *
-     * @see http://www.php.net/manual/en/numberformatter.format.php
+     * @see https://php.net/numberformatter.format
      *
      * @throws NotImplementedException                    If the method is called with the class $style 'CURRENCY'
      * @throws MethodArgumentValueNotImplementedException If the $type is different than TYPE_DEFAULT
@@ -387,7 +387,7 @@ class NumberFormatter
      *
      * @return bool|int The attribute value on success or false on error
      *
-     * @see http://www.php.net/manual/en/numberformatter.getattribute.php
+     * @see https://php.net/numberformatter.getattribute
      */
     public function getAttribute($attr)
     {
@@ -399,7 +399,7 @@ class NumberFormatter
      *
      * @return int The error code from last formatter call
      *
-     * @see http://www.php.net/manual/en/numberformatter.geterrorcode.php
+     * @see https://php.net/numberformatter.geterrorcode
      */
     public function getErrorCode()
     {
@@ -411,7 +411,7 @@ class NumberFormatter
      *
      * @return string The error message from last formatter call
      *
-     * @see http://www.php.net/manual/en/numberformatter.geterrormessage.php
+     * @see https://php.net/numberformatter.geterrormessage
      */
     public function getErrorMessage()
     {
@@ -428,7 +428,7 @@ class NumberFormatter
      * @return string The locale used to create the formatter. Currently always
      *                returns "en".
      *
-     * @see http://www.php.net/manual/en/numberformatter.getlocale.php
+     * @see https://php.net/numberformatter.getlocale
      */
     public function getLocale($type = Locale::ACTUAL_LOCALE)
     {
@@ -440,7 +440,7 @@ class NumberFormatter
      *
      * @return bool|string The pattern string used by the formatter or false on error
      *
-     * @see http://www.php.net/manual/en/numberformatter.getpattern.php
+     * @see https://php.net/numberformatter.getpattern
      *
      * @throws MethodNotImplementedException
      */
@@ -456,7 +456,7 @@ class NumberFormatter
      *
      * @return bool|string The symbol value or false on error
      *
-     * @see http://www.php.net/manual/en/numberformatter.getsymbol.php
+     * @see https://php.net/numberformatter.getsymbol
      */
     public function getSymbol($attr)
     {
@@ -470,7 +470,7 @@ class NumberFormatter
      *
      * @return bool|string The attribute value or false on error
      *
-     * @see http://www.php.net/manual/en/numberformatter.gettextattribute.php
+     * @see https://php.net/numberformatter.gettextattribute
      */
     public function getTextAttribute($attr)
     {
@@ -486,7 +486,7 @@ class NumberFormatter
      *
      * @return bool|string The parsed numeric value or false on error
      *
-     * @see http://www.php.net/manual/en/numberformatter.parsecurrency.php
+     * @see https://php.net/numberformatter.parsecurrency
      *
      * @throws MethodNotImplementedException
      */
@@ -504,7 +504,7 @@ class NumberFormatter
      *
      * @return int|float|false The parsed value or false on error
      *
-     * @see http://www.php.net/manual/en/numberformatter.parse.php
+     * @see https://php.net/numberformatter.parse
      */
     public function parse($value, $type = self::TYPE_DOUBLE, &$position = 0)
     {
@@ -558,7 +558,7 @@ class NumberFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/numberformatter.setattribute.php
+     * @see https://php.net/numberformatter.setattribute
      *
      * @throws MethodArgumentValueNotImplementedException When the $attr is not supported
      * @throws MethodArgumentValueNotImplementedException When the $value is not supported
@@ -608,7 +608,7 @@ class NumberFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/numberformatter.setpattern.php
+     * @see https://php.net/numberformatter.setpattern
      * @see http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details
      *
      * @throws MethodNotImplementedException
@@ -626,7 +626,7 @@ class NumberFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/numberformatter.setsymbol.php
+     * @see https://php.net/numberformatter.setsymbol
      *
      * @throws MethodNotImplementedException
      */
@@ -643,7 +643,7 @@ class NumberFormatter
      *
      * @return bool true on success or false on failure
      *
-     * @see http://www.php.net/manual/en/numberformatter.settextattribute.php
+     * @see https://php.net/numberformatter.settextattribute
      *
      * @throws MethodNotImplementedException
      */
diff --git a/src/Symfony/Component/Intl/README.md b/src/Symfony/Component/Intl/README.md
index 9a9cb9b456..03b50c91a0 100644
--- a/src/Symfony/Component/Intl/README.md
+++ b/src/Symfony/Component/Intl/README.md
@@ -18,4 +18,4 @@ Resources
   * [Docker images with intl support](https://hub.docker.com/r/jakzal/php-intl)
     (for the Intl component development)
 
-[0]: http://www.php.net/manual/en/intl.setup.php
+[0]: https://php.net/intl.setup
diff --git a/src/Symfony/Component/Process/Pipes/WindowsPipes.php b/src/Symfony/Component/Process/Pipes/WindowsPipes.php
index f44f33b490..0e38d7262b 100644
--- a/src/Symfony/Component/Process/Pipes/WindowsPipes.php
+++ b/src/Symfony/Component/Process/Pipes/WindowsPipes.php
@@ -17,8 +17,8 @@ use Symfony\Component\Process\Process;
 /**
  * WindowsPipes implementation uses temporary files as handles.
  *
- * @see https://bugs.php.net/bug.php?id=51800
- * @see https://bugs.php.net/bug.php?id=65650
+ * @see https://bugs.php.net/51800
+ * @see https://bugs.php.net/65650
  *
  * @author Romain Neutron <imprec@gmail.com>
  *
@@ -43,7 +43,7 @@ class WindowsPipes extends AbstractPipes
             // Fix for PHP bug #51800: reading from STDOUT pipe hangs forever on Windows if the output is too big.
             // Workaround for this problem is to use temporary files instead of pipes on Windows platform.
             //
-            // @see https://bugs.php.net/bug.php?id=51800
+            // @see https://bugs.php.net/51800
             $pipes = [
                 Process::STDOUT => Process::OUT,
                 Process::STDERR => Process::ERR,
@@ -105,8 +105,8 @@ class WindowsPipes extends AbstractPipes
             ];
         }
 
-        // We're not using pipe on Windows platform as it hangs (https://bugs.php.net/bug.php?id=51800)
-        // We're not using file handles as it can produce corrupted output https://bugs.php.net/bug.php?id=65650
+        // We're not using pipe on Windows platform as it hangs (https://bugs.php.net/51800)
+        // We're not using file handles as it can produce corrupted output https://bugs.php.net/65650
         // So we redirect output within the commandline and pass the nul device to the process
         return [
             ['pipe', 'r'],
diff --git a/src/Symfony/Component/Process/Process.php b/src/Symfony/Component/Process/Process.php
index 5e3993d788..35f72b06d2 100644
--- a/src/Symfony/Component/Process/Process.php
+++ b/src/Symfony/Component/Process/Process.php
@@ -152,8 +152,8 @@ class Process implements \IteratorAggregate
 
         // on Windows, if the cwd changed via chdir(), proc_open defaults to the dir where PHP was started
         // on Gnu/Linux, PHP builds with --enable-maintainer-zts are also affected
-        // @see : https://bugs.php.net/bug.php?id=51800
-        // @see : https://bugs.php.net/bug.php?id=50524
+        // @see : https://bugs.php.net/51800
+        // @see : https://bugs.php.net/50524
         if (null === $this->cwd && (\defined('ZEND_THREAD_SAFE') || '\\' === \DIRECTORY_SEPARATOR)) {
             $this->cwd = getcwd();
         }
@@ -488,7 +488,7 @@ class Process implements \IteratorAggregate
     /**
      * Sends a POSIX signal to the process.
      *
-     * @param int $signal A valid POSIX signal (see http://www.php.net/manual/en/pcntl.constants.php)
+     * @param int $signal A valid POSIX signal (see https://php.net/pcntl.constants)
      *
      * @return $this
      *
@@ -1487,7 +1487,7 @@ class Process implements \IteratorAggregate
     /**
      * Sends a POSIX signal to the process.
      *
-     * @param int  $signal         A valid POSIX signal (see http://www.php.net/manual/en/pcntl.constants.php)
+     * @param int  $signal         A valid POSIX signal (see https://php.net/pcntl.constants)
      * @param bool $throwException Whether to throw exception in case signal failed
      *
      * @return bool True if the signal was sent successfully, false otherwise
diff --git a/src/Symfony/Component/Process/Tests/ProcessTest.php b/src/Symfony/Component/Process/Tests/ProcessTest.php
index 62920c5461..ae620ff621 100644
--- a/src/Symfony/Component/Process/Tests/ProcessTest.php
+++ b/src/Symfony/Component/Process/Tests/ProcessTest.php
@@ -1137,7 +1137,7 @@ class ProcessTest extends TestCase
         ];
 
         if ('\\' === \DIRECTORY_SEPARATOR) {
-            // Avoid XL buffers on Windows because of https://bugs.php.net/bug.php?id=65650
+            // Avoid XL buffers on Windows because of https://bugs.php.net/65650
             $sizes = [1, 2, 4, 8];
         } else {
             $sizes = [1, 16, 64, 1024, 4096];
diff --git a/src/Symfony/Component/Serializer/Encoder/JsonDecode.php b/src/Symfony/Component/Serializer/Encoder/JsonDecode.php
index ceedce69ee..994d5e0df8 100644
--- a/src/Symfony/Component/Serializer/Encoder/JsonDecode.php
+++ b/src/Symfony/Component/Serializer/Encoder/JsonDecode.php
@@ -84,7 +84,7 @@ class JsonDecode implements DecoderInterface
      *
      * @throws NotEncodableValueException
      *
-     * @see http://php.net/json_decode json_decode
+     * @see https://php.net/json_decode
      */
     public function decode($data, $format, array $context = [])
     {
diff --git a/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php b/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php
index 3c95c097e8..e5c3fd5ea6 100644
--- a/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php
@@ -64,7 +64,7 @@ abstract class AbstractComparisonValidator extends ConstraintValidator
         // Convert strings to DateTimes if comparing another DateTime
         // This allows to compare with any date/time value supported by
         // the DateTime constructor:
-        // http://php.net/manual/en/datetime.formats.php
+        // https://php.net/datetime.formats
         if (\is_string($comparedValue)) {
             if ($value instanceof \DateTimeImmutable) {
                 // If $value is immutable, convert the compared value to a
diff --git a/src/Symfony/Component/Validator/Constraints/RangeValidator.php b/src/Symfony/Component/Validator/Constraints/RangeValidator.php
index e0cb92a93e..c7cb859a5a 100644
--- a/src/Symfony/Component/Validator/Constraints/RangeValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/RangeValidator.php
@@ -48,7 +48,7 @@ class RangeValidator extends ConstraintValidator
         // Convert strings to DateTimes if comparing another DateTime
         // This allows to compare with any date/time value supported by
         // the DateTime constructor:
-        // http://php.net/manual/en/datetime.formats.php
+        // https://php.net/datetime.formats
         if ($value instanceof \DateTimeInterface) {
             if (\is_string($min)) {
                 $min = new \DateTime($min);
diff --git a/src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php b/src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php
index bfb494fb8d..554f80d1fb 100644
--- a/src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php
+++ b/src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php
@@ -351,7 +351,7 @@ class IpValidatorTest extends ConstraintValidatorTestCase
     {
         // Quoting after official filter documentation:
         // "FILTER_FLAG_NO_RES_RANGE = This flag does not apply to IPv6 addresses."
-        // Full description: http://php.net/manual/en/filter.filters.flags.php
+        // Full description: https://php.net/filter.filters.flags
         return $this->getInvalidIpsV6();
     }
 
diff --git a/src/Symfony/Component/VarDumper/Caster/DateCaster.php b/src/Symfony/Component/VarDumper/Caster/DateCaster.php
index f4c3c26c41..4e83a9935e 100644
--- a/src/Symfony/Component/VarDumper/Caster/DateCaster.php
+++ b/src/Symfony/Component/VarDumper/Caster/DateCaster.php
@@ -83,7 +83,7 @@ class DateCaster
     public static function castPeriod(\DatePeriod $p, array $a, Stub $stub, $isNested, $filter)
     {
         $dates = [];
-        if (\PHP_VERSION_ID >= 70107) { // see https://bugs.php.net/bug.php?id=74639
+        if (\PHP_VERSION_ID >= 70107) { // see https://bugs.php.net/74639
             foreach (clone $p as $i => $d) {
                 if (self::PERIOD_LIMIT === $i) {
                     $now = new \DateTimeImmutable();
diff --git a/src/Symfony/Component/Workflow/Dumper/GraphvizDumper.php b/src/Symfony/Component/Workflow/Dumper/GraphvizDumper.php
index 82034bb7bd..fbae74dd91 100644
--- a/src/Symfony/Component/Workflow/Dumper/GraphvizDumper.php
+++ b/src/Symfony/Component/Workflow/Dumper/GraphvizDumper.php
@@ -17,7 +17,7 @@ use Symfony\Component\Workflow\Marking;
 /**
  * GraphvizDumper dumps a workflow as a graphviz file.
  *
- * You can convert the generated dot file with the dot utility (http://www.graphviz.org/):
+ * You can convert the generated dot file with the dot utility (https://graphviz.org/):
  *
  *   dot -Tpng workflow.dot > workflow.png
  *