diff --git a/core/lib/Drupal/Core/Entity/EntityDisplayRepositoryInterface.php b/core/lib/Drupal/Core/Entity/EntityDisplayRepositoryInterface.php
index ca7ab71ae1..7354869c53 100644
--- a/core/lib/Drupal/Core/Entity/EntityDisplayRepositoryInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityDisplayRepositoryInterface.php
@@ -127,11 +127,11 @@ public function clearDisplayModeInfo();
    * @code
    * \Drupal::service('entity_display.repository')
    *   ->getViewDisplay('node', 'article', 'default')
-   *   ->setComponent('body', [
+   *   ->setComponent('body', array(
    *     'type' => 'text_summary_or_trimmed',
-   *     'settings' => ['trim_length' => '200'],
+   *     'settings' => array('trim_length' => '200')
    *     'weight' => 1,
-   *   ])
+   *   ))
    *   ->removeComponent('field_image')
    *   ->save();
    * @endcode
@@ -164,13 +164,13 @@ public function getViewDisplay($entity_type, $bundle, $view_mode = self::DEFAULT
    * @code
    * \Drupal::service('entity_display.repository')
    *   ->getFormDisplay('node', 'article', 'default')
-   *   ->setComponent('body', [
+   *   ->setComponent('body', array(
    *     'type' => 'text_textarea_with_summary',
    *     'weight' => 1,
-   *   ])
-   *   ->setComponent('field_image', [
+   *   ))
+   *   ->setComponent('field_image', array(
    *     'region' => 'hidden',
-   *   ])
+   *   ))
    *   ->save();
    * @endcode
    *
diff --git a/core/lib/Drupal/Core/Render/Element/Hidden.php b/core/lib/Drupal/Core/Render/Element/Hidden.php
index 32edb6ff87..3864e8389f 100644
--- a/core/lib/Drupal/Core/Render/Element/Hidden.php
+++ b/core/lib/Drupal/Core/Render/Element/Hidden.php
@@ -17,7 +17,7 @@
  *
  * Usage example:
  * @code
- * $form['entity_id'] = ['#type' => 'hidden', '#value' => $entity_id];
+ * $form['entity_id'] = array('#type' => 'hidden', '#value' => $entity_id);
  * @endcode
  *
  * @see \Drupal\Core\Render\Element\Value
diff --git a/core/lib/Drupal/Core/Render/Element/Link.php b/core/lib/Drupal/Core/Render/Element/Link.php
index 9ec68c45e7..adbd38584a 100644
--- a/core/lib/Drupal/Core/Render/Element/Link.php
+++ b/core/lib/Drupal/Core/Render/Element/Link.php
@@ -126,31 +126,31 @@ public static function preRenderLink($element) {
    * A typical example comes from node links, which are stored in a renderable
    * array similar to this:
    * @code
-   * $build['links'] = [
+   * $build['links'] = array(
    *   '#theme' => 'links__node',
-   *   '#pre_render' => [Link::class, 'preRenderLinks'],
-   *   'comment' => [
+   *   '#pre_render' => array(Link::class, 'preRenderLinks'),
+   *   'comment' => array(
    *     '#theme' => 'links__node__comment',
-   *     '#links' => [
+   *     '#links' => array(
    *       // An array of links associated with node comments, suitable for
    *       // passing in to links.html.twig.
-   *     ],
-   *   ],
-   *   'statistics' => [
+   *     ),
+   *   ),
+   *   'statistics' => array(
    *     '#theme' => 'links__node__statistics',
-   *     '#links' => [
+   *     '#links' => array(
    *       // An array of links associated with node statistics, suitable for
    *       // passing in to links.html.twig.
-   *     ],
-   *   ],
-   *   'translation' => [
+   *     ),
+   *   ),
+   *   'translation' => array(
    *     '#theme' => 'links__node__translation',
-   *     '#links' => [
+   *     '#links' => array(
    *       // An array of links associated with node translation, suitable for
    *       // passing in to links.html.twig.
-   *     ],
-   *   ],
-   * ];
+   *     ),
+   *   ),
+   * );
    * @endcode
    *
    * In this example, the links are grouped by functionality, which can be
diff --git a/core/lib/Drupal/Core/Render/Element/Number.php b/core/lib/Drupal/Core/Render/Element/Number.php
index d16802f295..8f7efca552 100644
--- a/core/lib/Drupal/Core/Render/Element/Number.php
+++ b/core/lib/Drupal/Core/Render/Element/Number.php
@@ -19,10 +19,10 @@
  *
  * Usage example:
  * @code
- * $form['quantity'] = [
+ * $form['quantity'] = array(
  *   '#type' => 'number',
  *   '#title' => $this->t('Quantity'),
- * ];
+ * );
  * @endcode
  *
  * @see \Drupal\Core\Render\Element\Range
diff --git a/core/lib/Drupal/Core/Render/theme.api.php b/core/lib/Drupal/Core/Render/theme.api.php
index 462a182461..ce20efa960 100644
--- a/core/lib/Drupal/Core/Render/theme.api.php
+++ b/core/lib/Drupal/Core/Render/theme.api.php
@@ -1288,24 +1288,24 @@ function hook_theme($existing, $type, $theme, $path) {
  *
  * For example:
  * @code
- * $theme_registry['block_content_add_list'] = [
+ * $theme_registry['block_content_add_list'] = array (
  *   'template' => 'block-content-add-list',
  *   'path' => 'core/themes/claro/templates',
  *   'type' => 'theme_engine',
  *   'theme path' => 'core/themes/claro',
- *   'includes' => [
+ *   'includes' => array (
  *     0 => 'core/modules/block_content/block_content.pages.inc',
- *   ],
- *   'variables' => [
+ *   ),
+ *   'variables' => array (
  *     'content' => NULL,
- *   ],
- *   'preprocess functions' => [
+ *   ),
+ *   'preprocess functions' => array (
  *     0 => 'template_preprocess',
  *     1 => 'template_preprocess_block_content_add_list',
  *     2 => 'contextual_preprocess',
  *     3 => 'claro_preprocess_block_content_add_list',
- *   ],
- * ];
+ *   ),
+ * );
  * @endcode
  *
  * @param $theme_registry
diff --git a/core/lib/Drupal/Core/Site/SettingsEditor.php b/core/lib/Drupal/Core/Site/SettingsEditor.php
index 2a131cf876..e9a8c4c99f 100644
--- a/core/lib/Drupal/Core/Site/SettingsEditor.php
+++ b/core/lib/Drupal/Core/Site/SettingsEditor.php
@@ -27,10 +27,10 @@ private function __construct() {}
    * clutter up the file.
    *
    * @code
-   *   $settings['settings']['config_sync_directory'] = (object) [
+   *   $settings['settings']['config_sync_directory'] = (object) array(
    *     'value' => 'config_hash/sync',
    *     'required' => TRUE,
-   *   ];
+   *   );
    * @endcode
    *   gets dumped as:
    * @code
diff --git a/core/lib/Drupal/Core/Test/TestDiscovery.php b/core/lib/Drupal/Core/Test/TestDiscovery.php
index 8bc6a8d51c..9e394a4342 100644
--- a/core/lib/Drupal/Core/Test/TestDiscovery.php
+++ b/core/lib/Drupal/Core/Test/TestDiscovery.php
@@ -137,14 +137,14 @@ public function registerTestNamespaces() {
    *   to.
    *
    * @code
-   *     $groups['block'] => [
-   *       'Drupal\Tests\block\Functional\BlockTest' => [
+   *     $groups['block'] => array(
+   *       'Drupal\Tests\block\Functional\BlockTest' => array(
    *         'name' => 'Drupal\Tests\block\Functional\BlockTest',
    *         'description' => 'Tests block UI CRUD functionality.',
    *         'group' => 'block',
    *         'groups' => ['block', 'group2', 'group3'],
-   *       ],
-   *     ];
+   *       ),
+   *     );
    * @endcode
    *
    * @todo Remove singular grouping; retain list of groups in 'group' key.
diff --git a/core/lib/Drupal/Core/Utility/Token.php b/core/lib/Drupal/Core/Utility/Token.php
index a9957c5176..689e5e57a1 100644
--- a/core/lib/Drupal/Core/Utility/Token.php
+++ b/core/lib/Drupal/Core/Utility/Token.php
@@ -45,7 +45,7 @@
  *
  * // [date:...] tokens use the current date automatically.
  * $token_service = \Drupal::token();
- * $data = ['node' => $node, 'user' => $user];
+ * $data = array('node' => $node, 'user' => $user);
  * $result = $token_service->replace($text, $data);
  * return $result
  * @endcode
diff --git a/core/modules/book/src/Controller/BookController.php b/core/modules/book/src/Controller/BookController.php
index bb09ae9719..d84a8d15c3 100644
--- a/core/modules/book/src/Controller/BookController.php
+++ b/core/modules/book/src/Controller/BookController.php
@@ -8,6 +8,7 @@
 use Drupal\Core\Link;
 use Drupal\Core\Render\RendererInterface;
 use Drupal\Core\Url;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\node\NodeInterface;
 use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerInterface;
@@ -19,6 +20,8 @@
  */
 class BookController extends ControllerBase {
 
+  use StringTranslationTrait;
+
   /**
    * The book manager.
    *
@@ -76,7 +79,7 @@ public static function create(ContainerInterface $container) {
   public function adminOverview() {
     $rows = [];
 
-    $headers = [t('Book'), t('Operations')];
+    $headers = [$this->t('Book'), $this->t('Operations')];
     // Add any recognized books to the table list.
     foreach ($this->bookManager->getAllBooks() as $book) {
       /** @var \Drupal\Core\Url $url */
@@ -89,7 +92,7 @@ public function adminOverview() {
       ];
       $links = [];
       $links['edit'] = [
-        'title' => t('Edit order and titles'),
+        'title' => $this->t('Edit order and titles'),
         'url' => Url::fromRoute('book.admin_edit', ['node' => $book['nid']]),
       ];
       $row[] = [
@@ -104,7 +107,7 @@ public function adminOverview() {
       '#type' => 'table',
       '#header' => $headers,
       '#rows' => $rows,
-      '#empty' => t('No books available.'),
+      '#empty' => $this->t('No books available.'),
     ];
   }
 
@@ -155,7 +158,7 @@ public function bookExport($type, NodeInterface $node) {
 
     // @todo Convert the custom export functionality to serializer.
     if (!method_exists($this->bookExport, $method)) {
-      $this->messenger()->addStatus(t('Unknown export format.'));
+      $this->messenger()->addStatus($this->t('Unknown export format.'));
       throw new NotFoundHttpException();
     }
 
diff --git a/core/modules/config/src/Controller/ConfigController.php b/core/modules/config/src/Controller/ConfigController.php
index 0c0f486865..c1cd7e50fb 100644
--- a/core/modules/config/src/Controller/ConfigController.php
+++ b/core/modules/config/src/Controller/ConfigController.php
@@ -12,6 +12,7 @@
 use Drupal\Core\File\FileSystemInterface;
 use Drupal\Core\Serialization\Yaml;
 use Drupal\Core\Url;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\system\FileDownloadController;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
diff --git a/core/modules/field/tests/modules/field_test/field_test.module b/core/modules/field/tests/modules/field_test/field_test.module
index b48f096634..91ca8c0f90 100644
--- a/core/modules/field/tests/modules/field_test/field_test.module
+++ b/core/modules/field/tests/modules/field_test/field_test.module
@@ -50,7 +50,7 @@
  *
  *   // make sure hook_field_storage_config_create() is invoked correctly
  *   assertEquals(1, count($mem['field_test_field_storage_config_create']));
- *   assertEquals([$field], $mem['field_test_field_storage_config_create'][0]);
+ *   assertEquals(array($field), $mem['field_test_field_storage_config_create'][0]);
  * @endcode
  *
  * @param $key
diff --git a/core/modules/system/src/Controller/SystemController.php b/core/modules/system/src/Controller/SystemController.php
index afb715dad9..1e2d077f41 100644
--- a/core/modules/system/src/Controller/SystemController.php
+++ b/core/modules/system/src/Controller/SystemController.php
@@ -15,6 +15,7 @@
 use Drupal\Core\Menu\MenuTreeParameters;
 use Drupal\Core\Theme\ThemeAccessCheck;
 use Drupal\Core\Url;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\system\SystemManager;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -24,6 +25,7 @@
 class SystemController extends ControllerBase {
 
   use ModuleDependencyMessageTrait;
+  use StringTranslationTrait;
 
   /**
    * System Manager Service.
@@ -335,7 +337,7 @@ public function themesPage() {
               'attributes' => ['title' => $this->t('Set @theme as default theme', ['@theme' => $theme->info['name']])],
             ];
           }
-          $admin_theme_options[$theme->getName()] = $theme->info['name'] . ($theme->isExperimental() ? ' (' . t('Experimental') . ')' : '');
+          $admin_theme_options[$theme->getName()] = $theme->info['name'] . ($theme->isExperimental() ? ' (' . $this->t('Experimental') . ')' : '');
         }
         else {
           $theme->operations[] = [
diff --git a/core/modules/system/src/Controller/SystemInfoController.php b/core/modules/system/src/Controller/SystemInfoController.php
index 16f8bf946b..27ed5ea906 100644
--- a/core/modules/system/src/Controller/SystemInfoController.php
+++ b/core/modules/system/src/Controller/SystemInfoController.php
@@ -6,6 +6,7 @@
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Response;
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\system\SystemManager;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 
diff --git a/core/modules/tracker/src/Controller/TrackerController.php b/core/modules/tracker/src/Controller/TrackerController.php
index aeb65755ee..5aecc38ca9 100644
--- a/core/modules/tracker/src/Controller/TrackerController.php
+++ b/core/modules/tracker/src/Controller/TrackerController.php
@@ -11,6 +11,7 @@
 use Drupal\Core\Datetime\DateFormatterInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\user\UserInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -19,6 +20,8 @@
  */
 class TrackerController extends ControllerBase {
 
+  use StringTranslationTrait;
+
   /**
    * The database connection.
    *
@@ -211,7 +214,7 @@ public function buildContent(UserInterface $user = NULL) {
             'data-history-node-last-comment-timestamp' => $tracker_data[$node->id()]->last_comment_timestamp ?? 0,
           ],
           'last updated' => [
-            'data' => t('@time ago', [
+            'data' => $this->t('@time ago', [
               '@time' => $this->dateFormatter->formatTimeDiffSince($last_activity),
             ]),
           ],
diff --git a/core/modules/views/src/Plugin/views/cache/CachePluginBase.php b/core/modules/views/src/Plugin/views/cache/CachePluginBase.php
index 9624d6b270..d372baedc2 100644
--- a/core/modules/views/src/Plugin/views/cache/CachePluginBase.php
+++ b/core/modules/views/src/Plugin/views/cache/CachePluginBase.php
@@ -179,7 +179,7 @@ public function cacheFlush() {
    * go there:
    *
    * @code
-   *   strtr($output, ['<!--post-FIELD-1-->', 'output for FIELD of nid 1']);
+   *   strtr($output, array('<!--post-FIELD-1-->', 'output for FIELD of nid 1');
    * @endcode
    *
    * All of the cached result data will be available in $view->result, as well,
diff --git a/core/modules/views/src/Views.php b/core/modules/views/src/Views.php
index a7feae2c34..2373ebbc21 100644
--- a/core/modules/views/src/Views.php
+++ b/core/modules/views/src/Views.php
@@ -200,10 +200,10 @@ public static function getEnabledDisplayExtenders() {
    *   A list of arrays containing the $view_id and $display_id.
    *
    * @code
-   * [
-   *   [$view_id, $display_id],
-   *   [$view_id, $display_id],
-   * ];
+   * array(
+   *   array($view_id, $display_id),
+   *   array($view_id, $display_id),
+   * );
    * @endcode
    */
   public static function getApplicableViews($type) {
diff --git a/core/modules/views_ui/src/Controller/ViewsUIController.php b/core/modules/views_ui/src/Controller/ViewsUIController.php
index b81bf43175..e731bef825 100644
--- a/core/modules/views_ui/src/Controller/ViewsUIController.php
+++ b/core/modules/views_ui/src/Controller/ViewsUIController.php
@@ -16,6 +16,7 @@
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Drupal\Core\Ajax\AjaxResponse;
 use Drupal\Core\Ajax\ReplaceCommand;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Component\Utility\Html;
 
 /**
@@ -23,6 +24,8 @@
  */
 class ViewsUIController extends ControllerBase {
 
+  use StringTranslationTrait;
+
   /**
    * Stores the Views data cache object.
    *
@@ -83,7 +86,7 @@ public function reportFields() {
       }
     }
 
-    $header = [t('Field name'), t('Used in')];
+    $header = [$this->t('Field name'), $this->t('Used in')];
     $rows = [];
     foreach ($fields as $field_name => $views) {
       $rows[$field_name]['data'][0]['data']['#plain_text'] = $field_name;
@@ -104,7 +107,7 @@ public function reportFields() {
       '#type' => 'table',
       '#header' => $header,
       '#rows' => $rows,
-      '#empty' => t('No fields have been used in views yet.'),
+      '#empty' => $this->t('No fields have been used in views yet.'),
     ];
 
     return $output;
@@ -136,9 +139,9 @@ public function reportPlugins() {
     ksort($rows);
     return [
       '#type' => 'table',
-      '#header' => [t('Type'), t('Name'), t('Provided by'), t('Used in')],
+      '#header' => [$this->t('Type'), $this->t('Name'), $this->t('Provided by'), $this->t('Used in')],
       '#rows' => $rows,
-      '#empty' => t('There are no enabled views.'),
+      '#empty' => $this->t('There are no enabled views.'),
     ];
   }
 
diff --git a/core/phpcs.xml.dist b/core/phpcs.xml.dist
index 905d523bde..ed5acf2e73 100644
--- a/core/phpcs.xml.dist
+++ b/core/phpcs.xml.dist
@@ -61,7 +61,6 @@
     <exclude name="Drupal.Commenting.DocComment.SpacingBeforeTags"/>
   </rule>
   <rule ref="Drupal.Commenting.DocCommentAlignment"/>
-  <rule ref="Drupal.Commenting.DocCommentLongArraySyntax"/>
   <rule ref="Drupal.Commenting.DocCommentStar"/>
   <rule ref="Drupal.Commenting.FileComment"/>
   <rule ref="Drupal.Commenting.FunctionComment">
diff --git a/core/profiles/demo_umami/tests/src/Functional/DemoUmamiProfileTest.php b/core/profiles/demo_umami/tests/src/Functional/DemoUmamiProfileTest.php
index 180a4a166f..246b555153 100644
--- a/core/profiles/demo_umami/tests/src/Functional/DemoUmamiProfileTest.php
+++ b/core/profiles/demo_umami/tests/src/Functional/DemoUmamiProfileTest.php
@@ -260,7 +260,7 @@ protected function testDemonstrationWarningMessage() {
    * For example:
    * @code
    *   // Create a user.
-   *   $account = $this->drupalCreateUser([]);
+   *   $account = $this->drupalCreateUser(array());
    *   $this->drupalLogin($account);
    *   // Load real user object.
    *   $pass_raw = $account->passRaw;
diff --git a/core/tests/Drupal/Tests/UiHelperTrait.php b/core/tests/Drupal/Tests/UiHelperTrait.php
index b60951c9a4..e811de7ede 100644
--- a/core/tests/Drupal/Tests/UiHelperTrait.php
+++ b/core/tests/Drupal/Tests/UiHelperTrait.php
@@ -134,7 +134,7 @@ protected function submitForm(array $edit, $submit, $form_html_id = NULL) {
    * For example:
    * @code
    *   // Create a user.
-   *   $account = $this->drupalCreateUser([]);
+   *   $account = $this->drupalCreateUser(array());
    *   $this->drupalLogin($account);
    *   // Load real user object.
    *   $pass_raw = $account->passRaw;