Issue #3500403 by quietone, karimb: Convert long array syntax in comments starting with "//"

core/lib/Drupal/Core/Config/ConfigImporter.php

@@ -410,12 +410,12 @@ protected function createExtensionChangelist() {
     // sorted in reverse alphabetical order, to ensure the order is exactly
     // opposite from installation. For example, this module list:
     // @code
-    // array(
+    // [
     //   'actions' => 0,
     //   'ban' => 0,
     //   'options' => -2,
     //   'text' => -1,
-    // );
+    // ];
     // @endcode
     // Will result in the following sort order:
     // 1. -2   options

core/lib/Drupal/Core/Form/FormState.php

@@ -1271,17 +1271,17 @@ public function cleanValues() {
       // We iterate over the #parents of this button and move a reference to
       // each parent in self::getValues(). For example, if #parents is:
       // @code
-      //   array('foo', 'bar', 'baz')
+      //   ['foo', 'bar', 'baz']
       // @endcode
       // Then the corresponding self::getValues() part will look like this:
       // @code
-      // array(
-      //   'foo' => array(
-      //     'bar' => array(
+      // [
+      //   'foo' => [
+      //     'bar' => [
       //       'baz' => 'button_value',
-      //     ),
-      //   ),
-      // )
+      //     ],
+      //   ],
+      // ]
       // @endcode
       // We start by (re)moving 'baz' to $last_parent, so we are able unset it
       // at the end of the iteration. Initially, $values will contain a

core/modules/views_ui/tests/src/Functional/DefaultViewsTest.php

@@ -92,7 +92,7 @@ public function testDefaultViews(): void {
     // $this->assertSession()->linkExists('Revert');
     // $this->assertSession()->linkByHrefExists($revert_href);
     // $this->drupalGet($revert_href);
-    // $this->submitForm(array(), 'Revert');
+    // $this->submitForm([], 'Revert');
     // $this->drupalGet('glossary');
     // $this->assertSession()->pageTextNotContains($new_title);