diff --git a/libraries/classes/BrowseForeigners.php b/libraries/classes/BrowseForeigners.php
index ff902552e6..868b746ba3 100644
--- a/libraries/classes/BrowseForeigners.php
+++ b/libraries/classes/BrowseForeigners.php
@@ -65,7 +65,7 @@ class BrowseForeigners
         int $indexByDescription,
         string $currentValue
     ): array {
-        $GLOBALS['theme'] = $GLOBALS['theme'] ?? null;
+        $GLOBALS['theme'] ??= null;
 
         $horizontalCount++;
         $output = '';
diff --git a/libraries/classes/Command/CacheWarmupCommand.php b/libraries/classes/Command/CacheWarmupCommand.php
index c8daef9b67..38c52ee4e4 100644
--- a/libraries/classes/Command/CacheWarmupCommand.php
+++ b/libraries/classes/Command/CacheWarmupCommand.php
@@ -119,7 +119,7 @@ final class CacheWarmupCommand extends Command
         string $environment,
         bool $writeReplacements
     ): int {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         $output->writeln('Warming up the twig cache', OutputInterface::VERBOSITY_VERBOSE);
         $GLOBALS['config'] = new Config();
diff --git a/libraries/classes/Common.php b/libraries/classes/Common.php
index 335bb61150..f4826fc9f3 100644
--- a/libraries/classes/Common.php
+++ b/libraries/classes/Common.php
@@ -89,10 +89,10 @@ final class Common
      */
     public static function run(bool $isSetupPage = false): void
     {
-        $GLOBALS['lang'] = $GLOBALS['lang'] ?? null;
-        $GLOBALS['theme'] = $GLOBALS['theme'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['token_mismatch'] = $GLOBALS['token_mismatch'] ?? null;
+        $GLOBALS['lang'] ??= null;
+        $GLOBALS['theme'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['token_mismatch'] ??= null;
 
         $request = self::getRequest();
         $route = $request->getRoute();
@@ -454,8 +454,8 @@ final class Common
 
     private static function setGotoAndBackGlobals(ContainerInterface $container, Config $config): void
     {
-        $GLOBALS['back'] = $GLOBALS['back'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
+        $GLOBALS['back'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
 
         // Holds page that should be displayed.
         $GLOBALS['goto'] = '';
@@ -535,7 +535,7 @@ final class Common
 
     private static function setDatabaseAndTableFromRequest(ContainerInterface $container, ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
 
         $db = DatabaseName::tryFromValue($request->getParam('db'));
         $table = TableName::tryFromValue($request->getParam('table'));
diff --git a/libraries/classes/Controllers/AbstractController.php b/libraries/classes/Controllers/AbstractController.php
index dceb41e99f..da12d352b4 100644
--- a/libraries/classes/Controllers/AbstractController.php
+++ b/libraries/classes/Controllers/AbstractController.php
@@ -48,8 +48,8 @@ abstract class AbstractController
 
     protected function hasDatabase(): bool
     {
-        $GLOBALS['errno'] = $GLOBALS['errno'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['errno'] ??= null;
+        $GLOBALS['message'] ??= null;
 
         if (isset($GLOBALS['is_db']) && $GLOBALS['is_db']) {
             return true;
diff --git a/libraries/classes/Controllers/Database/CentralColumnsController.php b/libraries/classes/Controllers/Database/CentralColumnsController.php
index 2f3f9a411a..50a5d8396a 100644
--- a/libraries/classes/Controllers/Database/CentralColumnsController.php
+++ b/libraries/classes/Controllers/Database/CentralColumnsController.php
@@ -35,8 +35,8 @@ class CentralColumnsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['num_cols'] = $GLOBALS['num_cols'] ?? null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['num_cols'] ??= null;
 
         if ($request->hasBodyParam('edit_save')) {
             echo $this->editSave([
@@ -156,7 +156,7 @@ class CentralColumnsController extends AbstractController
      */
     public function main(array $params): void
     {
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
+        $GLOBALS['text_dir'] ??= null;
 
         if (! empty($params['total_rows']) && is_numeric($params['total_rows'])) {
             $totalRows = (int) $params['total_rows'];
diff --git a/libraries/classes/Controllers/Database/DesignerController.php b/libraries/classes/Controllers/Database/DesignerController.php
index 8add231277..641d5421e4 100644
--- a/libraries/classes/Controllers/Database/DesignerController.php
+++ b/libraries/classes/Controllers/Database/DesignerController.php
@@ -37,8 +37,8 @@ class DesignerController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $db = $request->getParsedBodyParam('db');
         $table = $request->getParsedBodyParam('table');
diff --git a/libraries/classes/Controllers/Database/EventsController.php b/libraries/classes/Controllers/Database/EventsController.php
index b687153eae..f2c1751382 100644
--- a/libraries/classes/Controllers/Database/EventsController.php
+++ b/libraries/classes/Controllers/Database/EventsController.php
@@ -34,9 +34,9 @@ final class EventsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errors'] ??= null;
+        $GLOBALS['text_dir'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $this->addScriptFiles(['database/events.js']);
 
diff --git a/libraries/classes/Controllers/Database/ExportController.php b/libraries/classes/Controllers/Database/ExportController.php
index 7959160616..dfdc1e55bc 100644
--- a/libraries/classes/Controllers/Database/ExportController.php
+++ b/libraries/classes/Controllers/Database/ExportController.php
@@ -39,11 +39,11 @@ final class ExportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['tables'] = $GLOBALS['tables'] ?? null;
-        $GLOBALS['table_select'] = $GLOBALS['table_select'] ?? null;
-        $GLOBALS['unlim_num_rows'] = $GLOBALS['unlim_num_rows'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['tables'] ??= null;
+        $GLOBALS['table_select'] ??= null;
+        $GLOBALS['unlim_num_rows'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $pageSettings = new PageSettings('Export');
         $pageSettingsErrorHtml = $pageSettings->getErrorHTML();
diff --git a/libraries/classes/Controllers/Database/ImportController.php b/libraries/classes/Controllers/Database/ImportController.php
index fe1303567d..eb077e6bd6 100644
--- a/libraries/classes/Controllers/Database/ImportController.php
+++ b/libraries/classes/Controllers/Database/ImportController.php
@@ -36,8 +36,8 @@ final class ImportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['SESSION_KEY'] = $GLOBALS['SESSION_KEY'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['SESSION_KEY'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $pageSettings = new PageSettings('Import');
         $pageSettingsErrorHtml = $pageSettings->getErrorHTML();
diff --git a/libraries/classes/Controllers/Database/Operations/CollationController.php b/libraries/classes/Controllers/Database/Operations/CollationController.php
index 63e3b14a17..6a9d36c347 100644
--- a/libraries/classes/Controllers/Database/Operations/CollationController.php
+++ b/libraries/classes/Controllers/Database/Operations/CollationController.php
@@ -35,7 +35,7 @@ final class CollationController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         if (! $this->response->isAjax()) {
             return;
diff --git a/libraries/classes/Controllers/Database/OperationsController.php b/libraries/classes/Controllers/Database/OperationsController.php
index 50d77a9d54..125f2a6b45 100644
--- a/libraries/classes/Controllers/Database/OperationsController.php
+++ b/libraries/classes/Controllers/Database/OperationsController.php
@@ -61,12 +61,12 @@ class OperationsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['reload'] = $GLOBALS['reload'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['single_table'] = $GLOBALS['single_table'] ?? null;
+        $GLOBALS['server'] ??= null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['reload'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['single_table'] ??= null;
 
         $this->checkUserPrivileges->getPrivileges();
 
diff --git a/libraries/classes/Controllers/Database/QueryByExampleController.php b/libraries/classes/Controllers/Database/QueryByExampleController.php
index 0e24bc3b1b..49ac5c8718 100644
--- a/libraries/classes/Controllers/Database/QueryByExampleController.php
+++ b/libraries/classes/Controllers/Database/QueryByExampleController.php
@@ -42,12 +42,12 @@ class QueryByExampleController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['savedSearchList'] = $GLOBALS['savedSearchList'] ?? null;
-        $GLOBALS['savedSearch'] = $GLOBALS['savedSearch'] ?? null;
-        $GLOBALS['currentSearchId'] = $GLOBALS['currentSearchId'] ?? null;
-        $GLOBALS['goto'] = $GLOBALS['goto'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['savedSearchList'] ??= null;
+        $GLOBALS['savedSearch'] ??= null;
+        $GLOBALS['currentSearchId'] ??= null;
+        $GLOBALS['goto'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $savedQbeSearchesFeature = $this->relation->getRelationParameters()->savedQueryByExampleSearchesFeature;
 
diff --git a/libraries/classes/Controllers/Database/RoutinesController.php b/libraries/classes/Controllers/Database/RoutinesController.php
index 7f463b4175..6b1cb2e4be 100644
--- a/libraries/classes/Controllers/Database/RoutinesController.php
+++ b/libraries/classes/Controllers/Database/RoutinesController.php
@@ -44,9 +44,9 @@ class RoutinesController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
+        $GLOBALS['errors'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
 
         $this->addScriptFiles(['database/routines.js']);
 
diff --git a/libraries/classes/Controllers/Database/SearchController.php b/libraries/classes/Controllers/Database/SearchController.php
index df260e68a3..1a5d4110f2 100644
--- a/libraries/classes/Controllers/Database/SearchController.php
+++ b/libraries/classes/Controllers/Database/SearchController.php
@@ -29,8 +29,8 @@ class SearchController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
 
         $this->addScriptFiles(['database/search.js', 'sql.js', 'makegrid.js']);
 
diff --git a/libraries/classes/Controllers/Database/SqlController.php b/libraries/classes/Controllers/Database/SqlController.php
index 8dc0051cb3..21108d6c08 100644
--- a/libraries/classes/Controllers/Database/SqlController.php
+++ b/libraries/classes/Controllers/Database/SqlController.php
@@ -30,9 +30,9 @@ class SqlController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['goto'] = $GLOBALS['goto'] ?? null;
-        $GLOBALS['back'] = $GLOBALS['back'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['goto'] ??= null;
+        $GLOBALS['back'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $this->addScriptFiles(['makegrid.js', 'vendor/jquery/jquery.uitablefilter.js', 'sql.js']);
 
diff --git a/libraries/classes/Controllers/Database/Structure/CentralColumns/AddController.php b/libraries/classes/Controllers/Database/Structure/CentralColumns/AddController.php
index 7a9cc0c68e..9929f6092f 100644
--- a/libraries/classes/Controllers/Database/Structure/CentralColumns/AddController.php
+++ b/libraries/classes/Controllers/Database/Structure/CentralColumns/AddController.php
@@ -34,7 +34,7 @@ final class AddController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['message'] ??= null;
 
         $selected = $_POST['selected_tbl'] ?? [];
 
diff --git a/libraries/classes/Controllers/Database/Structure/CentralColumns/MakeConsistentController.php b/libraries/classes/Controllers/Database/Structure/CentralColumns/MakeConsistentController.php
index 39b5d7a481..20d88e252e 100644
--- a/libraries/classes/Controllers/Database/Structure/CentralColumns/MakeConsistentController.php
+++ b/libraries/classes/Controllers/Database/Structure/CentralColumns/MakeConsistentController.php
@@ -34,7 +34,7 @@ final class MakeConsistentController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['message'] ??= null;
 
         $selected = $_POST['selected_tbl'] ?? [];
 
diff --git a/libraries/classes/Controllers/Database/Structure/CentralColumns/RemoveController.php b/libraries/classes/Controllers/Database/Structure/CentralColumns/RemoveController.php
index e275b0f650..d1876c5bc2 100644
--- a/libraries/classes/Controllers/Database/Structure/CentralColumns/RemoveController.php
+++ b/libraries/classes/Controllers/Database/Structure/CentralColumns/RemoveController.php
@@ -34,7 +34,7 @@ final class RemoveController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['message'] ??= null;
 
         $selected = $_POST['selected_tbl'] ?? [];
 
diff --git a/libraries/classes/Controllers/Database/Structure/FavoriteTableController.php b/libraries/classes/Controllers/Database/Structure/FavoriteTableController.php
index 4f70e251d7..6b68f8e9a0 100644
--- a/libraries/classes/Controllers/Database/Structure/FavoriteTableController.php
+++ b/libraries/classes/Controllers/Database/Structure/FavoriteTableController.php
@@ -32,7 +32,7 @@ final class FavoriteTableController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $parameters = [
             'favorite_table' => $_REQUEST['favorite_table'] ?? null,
diff --git a/libraries/classes/Controllers/Database/Structure/RealRowCountController.php b/libraries/classes/Controllers/Database/Structure/RealRowCountController.php
index 70824764b3..0dda649d5d 100644
--- a/libraries/classes/Controllers/Database/Structure/RealRowCountController.php
+++ b/libraries/classes/Controllers/Database/Structure/RealRowCountController.php
@@ -29,7 +29,7 @@ final class RealRowCountController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $parameters = [
             'real_row_count_all' => $_REQUEST['real_row_count_all'] ?? null,
diff --git a/libraries/classes/Controllers/Database/StructureController.php b/libraries/classes/Controllers/Database/StructureController.php
index 0600b4cb67..4a41875873 100644
--- a/libraries/classes/Controllers/Database/StructureController.php
+++ b/libraries/classes/Controllers/Database/StructureController.php
@@ -125,7 +125,7 @@ class StructureController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $parameters = [
             'sort' => $_REQUEST['sort'] ?? null,
diff --git a/libraries/classes/Controllers/Database/TrackingController.php b/libraries/classes/Controllers/Database/TrackingController.php
index 73432be3d0..a892eb4832 100644
--- a/libraries/classes/Controllers/Database/TrackingController.php
+++ b/libraries/classes/Controllers/Database/TrackingController.php
@@ -45,9 +45,9 @@ class TrackingController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['text_dir'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $this->addScriptFiles(['vendor/jquery/jquery.tablesorter.js', 'database/tracking.js']);
 
diff --git a/libraries/classes/Controllers/Database/TriggersController.php b/libraries/classes/Controllers/Database/TriggersController.php
index 534523c301..01f7abe4ba 100644
--- a/libraries/classes/Controllers/Database/TriggersController.php
+++ b/libraries/classes/Controllers/Database/TriggersController.php
@@ -39,9 +39,9 @@ class TriggersController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errors'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $this->addScriptFiles(['database/triggers.js']);
 
diff --git a/libraries/classes/Controllers/Export/ExportController.php b/libraries/classes/Controllers/Export/ExportController.php
index f66ee3efad..5611072580 100644
--- a/libraries/classes/Controllers/Export/ExportController.php
+++ b/libraries/classes/Controllers/Export/ExportController.php
@@ -48,25 +48,25 @@ final class ExportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['export_type'] = $GLOBALS['export_type'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['compression'] = $GLOBALS['compression'] ?? null;
-        $GLOBALS['asfile'] = $GLOBALS['asfile'] ?? null;
-        $GLOBALS['buffer_needed'] = $GLOBALS['buffer_needed'] ?? null;
-        $GLOBALS['save_on_server'] = $GLOBALS['save_on_server'] ?? null;
-        $GLOBALS['file_handle'] = $GLOBALS['file_handle'] ?? null;
-        $GLOBALS['output_charset_conversion'] = $GLOBALS['output_charset_conversion'] ?? null;
-        $GLOBALS['output_kanji_conversion'] = $GLOBALS['output_kanji_conversion'] ?? null;
-        $GLOBALS['what'] = $GLOBALS['what'] ?? null;
-        $GLOBALS['single_table'] = $GLOBALS['single_table'] ?? null;
-        $GLOBALS['save_filename'] = $GLOBALS['save_filename'] ?? null;
-        $GLOBALS['tables'] = $GLOBALS['tables'] ?? null;
-        $GLOBALS['table_select'] = $GLOBALS['table_select'] ?? null;
-        $GLOBALS['time_start'] = $GLOBALS['time_start'] ?? null;
-        $GLOBALS['charset'] = $GLOBALS['charset'] ?? null;
-        $GLOBALS['active_page'] = $GLOBALS['active_page'] ?? null;
-        $GLOBALS['table_data'] = $GLOBALS['table_data'] ?? null;
+        $GLOBALS['export_type'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['compression'] ??= null;
+        $GLOBALS['asfile'] ??= null;
+        $GLOBALS['buffer_needed'] ??= null;
+        $GLOBALS['save_on_server'] ??= null;
+        $GLOBALS['file_handle'] ??= null;
+        $GLOBALS['output_charset_conversion'] ??= null;
+        $GLOBALS['output_kanji_conversion'] ??= null;
+        $GLOBALS['what'] ??= null;
+        $GLOBALS['single_table'] ??= null;
+        $GLOBALS['save_filename'] ??= null;
+        $GLOBALS['tables'] ??= null;
+        $GLOBALS['table_select'] ??= null;
+        $GLOBALS['time_start'] ??= null;
+        $GLOBALS['charset'] ??= null;
+        $GLOBALS['active_page'] ??= null;
+        $GLOBALS['table_data'] ??= null;
 
         /** @var array<string, string> $postParams */
         $postParams = $request->getParsedBody();
diff --git a/libraries/classes/Controllers/GisDataEditorController.php b/libraries/classes/Controllers/GisDataEditorController.php
index e2aed81716..aa3760c6fa 100644
--- a/libraries/classes/Controllers/GisDataEditorController.php
+++ b/libraries/classes/Controllers/GisDataEditorController.php
@@ -28,17 +28,17 @@ class GisDataEditorController extends AbstractController
 {
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['gis_data'] = $GLOBALS['gis_data'] ?? null;
-        $GLOBALS['gis_types'] = $GLOBALS['gis_types'] ?? null;
-        $GLOBALS['start'] = $GLOBALS['start'] ?? null;
-        $GLOBALS['geom_type'] = $GLOBALS['geom_type'] ?? null;
-        $GLOBALS['gis_obj'] = $GLOBALS['gis_obj'] ?? null;
-        $GLOBALS['wkt'] = $GLOBALS['wkt'] ?? null;
-        $GLOBALS['result'] = $GLOBALS['result'] ?? null;
-        $GLOBALS['visualizationSettings'] = $GLOBALS['visualizationSettings'] ?? null;
-        $GLOBALS['visualization'] = $GLOBALS['visualization'] ?? null;
-        $GLOBALS['open_layers'] = $GLOBALS['open_layers'] ?? null;
-        $GLOBALS['geom_count'] = $GLOBALS['geom_count'] ?? null;
+        $GLOBALS['gis_data'] ??= null;
+        $GLOBALS['gis_types'] ??= null;
+        $GLOBALS['start'] ??= null;
+        $GLOBALS['geom_type'] ??= null;
+        $GLOBALS['gis_obj'] ??= null;
+        $GLOBALS['wkt'] ??= null;
+        $GLOBALS['result'] ??= null;
+        $GLOBALS['visualizationSettings'] ??= null;
+        $GLOBALS['visualization'] ??= null;
+        $GLOBALS['open_layers'] ??= null;
+        $GLOBALS['geom_count'] ??= null;
 
         /** @var string|null $field */
         $field = $request->getParsedBodyParam('field');
diff --git a/libraries/classes/Controllers/HomeController.php b/libraries/classes/Controllers/HomeController.php
index 335aaab33b..24fd612c3a 100644
--- a/libraries/classes/Controllers/HomeController.php
+++ b/libraries/classes/Controllers/HomeController.php
@@ -64,11 +64,11 @@ class HomeController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
-        $GLOBALS['collation_connection'] = $GLOBALS['collation_connection'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['show_query'] = $GLOBALS['show_query'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['server'] ??= null;
+        $GLOBALS['collation_connection'] ??= null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['show_query'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         if ($this->response->isAjax() && ! empty($_REQUEST['access_time'])) {
             return;
@@ -251,7 +251,7 @@ class HomeController extends AbstractController
 
     private function checkRequirements(): void
     {
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['server'] ??= null;
 
         $this->checkPhpExtensionsRequirements();
 
@@ -397,7 +397,7 @@ class HomeController extends AbstractController
 
     private function checkLanguageStats(): void
     {
-        $GLOBALS['lang'] = $GLOBALS['lang'] ?? null;
+        $GLOBALS['lang'] ??= null;
 
         /**
          * Warning about incomplete translations.
diff --git a/libraries/classes/Controllers/Import/ImportController.php b/libraries/classes/Controllers/Import/ImportController.php
index 646c355918..71e4ba1db1 100644
--- a/libraries/classes/Controllers/Import/ImportController.php
+++ b/libraries/classes/Controllers/Import/ImportController.php
@@ -71,40 +71,40 @@ final class ImportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['collation_connection'] = $GLOBALS['collation_connection'] ?? null;
-        $GLOBALS['goto'] = $GLOBALS['goto'] ?? null;
-        $GLOBALS['display_query'] = $GLOBALS['display_query'] ?? null;
-        $GLOBALS['ajax_reload'] = $GLOBALS['ajax_reload'] ?? null;
-        $GLOBALS['import_text'] = $GLOBALS['import_text'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['memory_limit'] = $GLOBALS['memory_limit'] ?? null;
-        $GLOBALS['read_limit'] = $GLOBALS['read_limit'] ?? null;
-        $GLOBALS['finished'] = $GLOBALS['finished'] ?? null;
-        $GLOBALS['offset'] = $GLOBALS['offset'] ?? null;
-        $GLOBALS['charset_conversion'] = $GLOBALS['charset_conversion'] ?? null;
-        $GLOBALS['timestamp'] = $GLOBALS['timestamp'] ?? null;
-        $GLOBALS['maximum_time'] = $GLOBALS['maximum_time'] ?? null;
-        $GLOBALS['timeout_passed'] = $GLOBALS['timeout_passed'] ?? null;
-        $GLOBALS['import_file'] = $GLOBALS['import_file'] ?? null;
-        $GLOBALS['go_sql'] = $GLOBALS['go_sql'] ?? null;
-        $GLOBALS['sql_file'] = $GLOBALS['sql_file'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['max_sql_len'] = $GLOBALS['max_sql_len'] ?? null;
-        $GLOBALS['msg'] = $GLOBALS['msg'] ?? null;
-        $GLOBALS['sql_query_disabled'] = $GLOBALS['sql_query_disabled'] ?? null;
-        $GLOBALS['executed_queries'] = $GLOBALS['executed_queries'] ?? null;
-        $GLOBALS['run_query'] = $GLOBALS['run_query'] ?? null;
-        $GLOBALS['reset_charset'] = $GLOBALS['reset_charset'] ?? null;
-        $GLOBALS['result'] = $GLOBALS['result'] ?? null;
-        $GLOBALS['import_file_name'] = $GLOBALS['import_file_name'] ?? null;
-        $GLOBALS['import_notice'] = $GLOBALS['import_notice'] ?? null;
-        $GLOBALS['read_multiply'] = $GLOBALS['read_multiply'] ?? null;
-        $GLOBALS['my_die'] = $GLOBALS['my_die'] ?? null;
-        $GLOBALS['active_page'] = $GLOBALS['active_page'] ?? null;
-        $GLOBALS['reload'] = $GLOBALS['reload'] ?? null;
-        $GLOBALS['charset_connection'] = $GLOBALS['charset_connection'] ?? null;
+        $GLOBALS['collation_connection'] ??= null;
+        $GLOBALS['goto'] ??= null;
+        $GLOBALS['display_query'] ??= null;
+        $GLOBALS['ajax_reload'] ??= null;
+        $GLOBALS['import_text'] ??= null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['memory_limit'] ??= null;
+        $GLOBALS['read_limit'] ??= null;
+        $GLOBALS['finished'] ??= null;
+        $GLOBALS['offset'] ??= null;
+        $GLOBALS['charset_conversion'] ??= null;
+        $GLOBALS['timestamp'] ??= null;
+        $GLOBALS['maximum_time'] ??= null;
+        $GLOBALS['timeout_passed'] ??= null;
+        $GLOBALS['import_file'] ??= null;
+        $GLOBALS['go_sql'] ??= null;
+        $GLOBALS['sql_file'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['max_sql_len'] ??= null;
+        $GLOBALS['msg'] ??= null;
+        $GLOBALS['sql_query_disabled'] ??= null;
+        $GLOBALS['executed_queries'] ??= null;
+        $GLOBALS['run_query'] ??= null;
+        $GLOBALS['reset_charset'] ??= null;
+        $GLOBALS['result'] ??= null;
+        $GLOBALS['import_file_name'] ??= null;
+        $GLOBALS['import_notice'] ??= null;
+        $GLOBALS['read_multiply'] ??= null;
+        $GLOBALS['my_die'] ??= null;
+        $GLOBALS['active_page'] ??= null;
+        $GLOBALS['reload'] ??= null;
+        $GLOBALS['charset_connection'] ??= null;
 
         $GLOBALS['charset_of_file'] = $request->getParsedBodyParam('charset_of_file');
         $GLOBALS['format'] = $request->getParsedBodyParam('format', '');
diff --git a/libraries/classes/Controllers/Import/StatusController.php b/libraries/classes/Controllers/Import/StatusController.php
index 7faec2064b..cbfc2fce32 100644
--- a/libraries/classes/Controllers/Import/StatusController.php
+++ b/libraries/classes/Controllers/Import/StatusController.php
@@ -33,10 +33,10 @@ class StatusController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['SESSION_KEY'] = $GLOBALS['SESSION_KEY'] ?? null;
-        $GLOBALS['upload_id'] = $GLOBALS['upload_id'] ?? null;
-        $GLOBALS['plugins'] = $GLOBALS['plugins'] ?? null;
-        $GLOBALS['timestamp'] = $GLOBALS['timestamp'] ?? null;
+        $GLOBALS['SESSION_KEY'] ??= null;
+        $GLOBALS['upload_id'] ??= null;
+        $GLOBALS['plugins'] ??= null;
+        $GLOBALS['timestamp'] ??= null;
 
         [
             $GLOBALS['SESSION_KEY'],
diff --git a/libraries/classes/Controllers/Preferences/ExportController.php b/libraries/classes/Controllers/Preferences/ExportController.php
index 1a47131f37..9b64f5e13b 100644
--- a/libraries/classes/Controllers/Preferences/ExportController.php
+++ b/libraries/classes/Controllers/Preferences/ExportController.php
@@ -42,11 +42,11 @@ class ExportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['cf'] = $GLOBALS['cf'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['tabHash'] = $GLOBALS['tabHash'] ?? null;
-        $GLOBALS['hash'] = $GLOBALS['hash'] ?? null;
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['cf'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['tabHash'] ??= null;
+        $GLOBALS['hash'] ??= null;
+        $GLOBALS['server'] ??= null;
 
         $GLOBALS['cf'] = new ConfigFile($this->config->baseSettings);
         $this->userPreferences->pageInit($GLOBALS['cf']);
diff --git a/libraries/classes/Controllers/Preferences/FeaturesController.php b/libraries/classes/Controllers/Preferences/FeaturesController.php
index 92f7fb4a09..99124012a5 100644
--- a/libraries/classes/Controllers/Preferences/FeaturesController.php
+++ b/libraries/classes/Controllers/Preferences/FeaturesController.php
@@ -42,11 +42,11 @@ class FeaturesController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['cf'] = $GLOBALS['cf'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['tabHash'] = $GLOBALS['tabHash'] ?? null;
-        $GLOBALS['hash'] = $GLOBALS['hash'] ?? null;
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['cf'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['tabHash'] ??= null;
+        $GLOBALS['hash'] ??= null;
+        $GLOBALS['server'] ??= null;
 
         $GLOBALS['cf'] = new ConfigFile($this->config->baseSettings);
         $this->userPreferences->pageInit($GLOBALS['cf']);
diff --git a/libraries/classes/Controllers/Preferences/ImportController.php b/libraries/classes/Controllers/Preferences/ImportController.php
index 4a87eb0bcb..5572f24b10 100644
--- a/libraries/classes/Controllers/Preferences/ImportController.php
+++ b/libraries/classes/Controllers/Preferences/ImportController.php
@@ -42,11 +42,11 @@ class ImportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['cf'] = $GLOBALS['cf'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['tabHash'] = $GLOBALS['tabHash'] ?? null;
-        $GLOBALS['hash'] = $GLOBALS['hash'] ?? null;
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['cf'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['tabHash'] ??= null;
+        $GLOBALS['hash'] ??= null;
+        $GLOBALS['server'] ??= null;
 
         $GLOBALS['cf'] = new ConfigFile($this->config->baseSettings);
         $this->userPreferences->pageInit($GLOBALS['cf']);
diff --git a/libraries/classes/Controllers/Preferences/MainPanelController.php b/libraries/classes/Controllers/Preferences/MainPanelController.php
index 819fff02cb..ddb38abcff 100644
--- a/libraries/classes/Controllers/Preferences/MainPanelController.php
+++ b/libraries/classes/Controllers/Preferences/MainPanelController.php
@@ -42,11 +42,11 @@ class MainPanelController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['cf'] = $GLOBALS['cf'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['tabHash'] = $GLOBALS['tabHash'] ?? null;
-        $GLOBALS['hash'] = $GLOBALS['hash'] ?? null;
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['cf'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['tabHash'] ??= null;
+        $GLOBALS['hash'] ??= null;
+        $GLOBALS['server'] ??= null;
 
         $GLOBALS['cf'] = new ConfigFile($this->config->baseSettings);
         $this->userPreferences->pageInit($GLOBALS['cf']);
diff --git a/libraries/classes/Controllers/Preferences/ManageController.php b/libraries/classes/Controllers/Preferences/ManageController.php
index b62a2c47c2..41a494c784 100644
--- a/libraries/classes/Controllers/Preferences/ManageController.php
+++ b/libraries/classes/Controllers/Preferences/ManageController.php
@@ -66,15 +66,15 @@ class ManageController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['cf'] = $GLOBALS['cf'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['json'] = $GLOBALS['json'] ?? null;
-        $GLOBALS['lang'] = $GLOBALS['lang'] ?? null;
-        $GLOBALS['new_config'] = $GLOBALS['new_config'] ?? null;
-        $GLOBALS['return_url'] = $GLOBALS['return_url'] ?? null;
-        $GLOBALS['form_display'] = $GLOBALS['form_display'] ?? null;
-        $GLOBALS['all_ok'] = $GLOBALS['all_ok'] ?? null;
-        $GLOBALS['query'] = $GLOBALS['query'] ?? null;
+        $GLOBALS['cf'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['json'] ??= null;
+        $GLOBALS['lang'] ??= null;
+        $GLOBALS['new_config'] ??= null;
+        $GLOBALS['return_url'] ??= null;
+        $GLOBALS['form_display'] ??= null;
+        $GLOBALS['all_ok'] ??= null;
+        $GLOBALS['query'] ??= null;
 
         $route = $request->getRoute();
 
diff --git a/libraries/classes/Controllers/Preferences/NavigationController.php b/libraries/classes/Controllers/Preferences/NavigationController.php
index f6adca3290..c07274f293 100644
--- a/libraries/classes/Controllers/Preferences/NavigationController.php
+++ b/libraries/classes/Controllers/Preferences/NavigationController.php
@@ -42,11 +42,11 @@ class NavigationController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['cf'] = $GLOBALS['cf'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['tabHash'] = $GLOBALS['tabHash'] ?? null;
-        $GLOBALS['hash'] = $GLOBALS['hash'] ?? null;
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['cf'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['tabHash'] ??= null;
+        $GLOBALS['hash'] ??= null;
+        $GLOBALS['server'] ??= null;
 
         $GLOBALS['cf'] = new ConfigFile($this->config->baseSettings);
         $this->userPreferences->pageInit($GLOBALS['cf']);
diff --git a/libraries/classes/Controllers/Preferences/SqlController.php b/libraries/classes/Controllers/Preferences/SqlController.php
index 6bd8d16936..a87496f117 100644
--- a/libraries/classes/Controllers/Preferences/SqlController.php
+++ b/libraries/classes/Controllers/Preferences/SqlController.php
@@ -42,11 +42,11 @@ class SqlController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['cf'] = $GLOBALS['cf'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['tabHash'] = $GLOBALS['tabHash'] ?? null;
-        $GLOBALS['hash'] = $GLOBALS['hash'] ?? null;
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['cf'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['tabHash'] ??= null;
+        $GLOBALS['hash'] ??= null;
+        $GLOBALS['server'] ??= null;
 
         $GLOBALS['cf'] = new ConfigFile($this->config->baseSettings);
         $this->userPreferences->pageInit($GLOBALS['cf']);
diff --git a/libraries/classes/Controllers/Server/Databases/DestroyController.php b/libraries/classes/Controllers/Server/Databases/DestroyController.php
index 285dcb84dc..9eede41380 100644
--- a/libraries/classes/Controllers/Server/Databases/DestroyController.php
+++ b/libraries/classes/Controllers/Server/Databases/DestroyController.php
@@ -43,9 +43,9 @@ final class DestroyController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['selected'] = $GLOBALS['selected'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['reload'] = $GLOBALS['reload'] ?? null;
+        $GLOBALS['selected'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['reload'] ??= null;
 
         $selected_dbs = $request->getParsedBodyParam('selected_dbs');
 
diff --git a/libraries/classes/Controllers/Server/DatabasesController.php b/libraries/classes/Controllers/Server/DatabasesController.php
index efeb3684a3..e44328cafa 100644
--- a/libraries/classes/Controllers/Server/DatabasesController.php
+++ b/libraries/classes/Controllers/Server/DatabasesController.php
@@ -62,11 +62,11 @@ class DatabasesController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
-        $GLOBALS['is_create_db_priv'] = $GLOBALS['is_create_db_priv'] ?? null;
-        $GLOBALS['db_to_create'] = $GLOBALS['db_to_create'] ?? null;
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['server'] ??= null;
+        $GLOBALS['is_create_db_priv'] ??= null;
+        $GLOBALS['db_to_create'] ??= null;
+        $GLOBALS['text_dir'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $params = [
             'statistics' => $_REQUEST['statistics'] ?? null,
diff --git a/libraries/classes/Controllers/Server/ExportController.php b/libraries/classes/Controllers/Server/ExportController.php
index 38d942eee5..9f2b74ab0d 100644
--- a/libraries/classes/Controllers/Server/ExportController.php
+++ b/libraries/classes/Controllers/Server/ExportController.php
@@ -33,10 +33,10 @@ final class ExportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['unlim_num_rows'] = $GLOBALS['unlim_num_rows'] ?? null;
+        $GLOBALS['unlim_num_rows'] ??= null;
         $GLOBALS['errorUrl'] = Url::getFromRoute('/');
-        $GLOBALS['tmp_select'] = $GLOBALS['tmp_select'] ?? null;
-        $GLOBALS['select_item'] = $GLOBALS['select_item'] ?? null;
+        $GLOBALS['tmp_select'] ??= null;
+        $GLOBALS['select_item'] ??= null;
 
         if ($this->dbi->isSuperUser()) {
             $this->dbi->selectDb('mysql');
diff --git a/libraries/classes/Controllers/Server/ImportController.php b/libraries/classes/Controllers/Server/ImportController.php
index cacc8793ed..43edc9a2fb 100644
--- a/libraries/classes/Controllers/Server/ImportController.php
+++ b/libraries/classes/Controllers/Server/ImportController.php
@@ -36,8 +36,8 @@ final class ImportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['SESSION_KEY'] = $GLOBALS['SESSION_KEY'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['SESSION_KEY'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $pageSettings = new PageSettings('Import');
         $pageSettingsErrorHtml = $pageSettings->getErrorHTML();
diff --git a/libraries/classes/Controllers/Server/PrivilegesController.php b/libraries/classes/Controllers/Server/PrivilegesController.php
index 6722b4d19b..2e6f8109d4 100644
--- a/libraries/classes/Controllers/Server/PrivilegesController.php
+++ b/libraries/classes/Controllers/Server/PrivilegesController.php
@@ -50,12 +50,12 @@ class PrivilegesController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
-        $GLOBALS['username'] = $GLOBALS['username'] ?? null;
-        $GLOBALS['hostname'] = $GLOBALS['hostname'] ?? null;
-        $GLOBALS['dbname'] = $GLOBALS['dbname'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['text_dir'] ??= null;
+        $GLOBALS['username'] ??= null;
+        $GLOBALS['hostname'] ??= null;
+        $GLOBALS['dbname'] ??= null;
 
         $checkUserPrivileges = new CheckUserPrivileges($this->dbi);
         $checkUserPrivileges->getPrivileges();
diff --git a/libraries/classes/Controllers/Server/ReplicationController.php b/libraries/classes/Controllers/Server/ReplicationController.php
index 7a59d040c8..6b57e8af1e 100644
--- a/libraries/classes/Controllers/Server/ReplicationController.php
+++ b/libraries/classes/Controllers/Server/ReplicationController.php
@@ -40,8 +40,8 @@ class ReplicationController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $hasReplicaClearScreen = (bool) $request->getParsedBodyParam('replica_clear_screen');
         $replicaConfigure = $request->getParsedBodyParam('replica_configure');
diff --git a/libraries/classes/Controllers/Server/SqlController.php b/libraries/classes/Controllers/Server/SqlController.php
index 2d7c467ebf..655d9a008e 100644
--- a/libraries/classes/Controllers/Server/SqlController.php
+++ b/libraries/classes/Controllers/Server/SqlController.php
@@ -35,7 +35,7 @@ class SqlController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $this->addScriptFiles(['makegrid.js', 'vendor/jquery/jquery.uitablefilter.js', 'sql.js']);
 
diff --git a/libraries/classes/Controllers/Server/Status/Monitor/ChartingDataController.php b/libraries/classes/Controllers/Server/Status/Monitor/ChartingDataController.php
index db3345ec0c..51454c236d 100644
--- a/libraries/classes/Controllers/Server/Status/Monitor/ChartingDataController.php
+++ b/libraries/classes/Controllers/Server/Status/Monitor/ChartingDataController.php
@@ -33,7 +33,7 @@ final class ChartingDataController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $requiredData = $request->getParsedBodyParam('requiredData', '');
         $GLOBALS['errorUrl'] = Url::getFromRoute('/');
diff --git a/libraries/classes/Controllers/Server/Status/Monitor/GeneralLogController.php b/libraries/classes/Controllers/Server/Status/Monitor/GeneralLogController.php
index 52bc7d6edd..348a813679 100644
--- a/libraries/classes/Controllers/Server/Status/Monitor/GeneralLogController.php
+++ b/libraries/classes/Controllers/Server/Status/Monitor/GeneralLogController.php
@@ -33,7 +33,7 @@ final class GeneralLogController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $GLOBALS['errorUrl'] = Url::getFromRoute('/');
 
diff --git a/libraries/classes/Controllers/Server/Status/Monitor/LogVarsController.php b/libraries/classes/Controllers/Server/Status/Monitor/LogVarsController.php
index 02c466b661..643364728e 100644
--- a/libraries/classes/Controllers/Server/Status/Monitor/LogVarsController.php
+++ b/libraries/classes/Controllers/Server/Status/Monitor/LogVarsController.php
@@ -33,7 +33,7 @@ final class LogVarsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $GLOBALS['errorUrl'] = Url::getFromRoute('/');
 
diff --git a/libraries/classes/Controllers/Server/Status/Monitor/QueryAnalyzerController.php b/libraries/classes/Controllers/Server/Status/Monitor/QueryAnalyzerController.php
index 18a466a6d3..32cd906443 100644
--- a/libraries/classes/Controllers/Server/Status/Monitor/QueryAnalyzerController.php
+++ b/libraries/classes/Controllers/Server/Status/Monitor/QueryAnalyzerController.php
@@ -33,7 +33,7 @@ final class QueryAnalyzerController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $GLOBALS['errorUrl'] = Url::getFromRoute('/');
 
diff --git a/libraries/classes/Controllers/Server/Status/Monitor/SlowLogController.php b/libraries/classes/Controllers/Server/Status/Monitor/SlowLogController.php
index 8d159a78de..833115ec05 100644
--- a/libraries/classes/Controllers/Server/Status/Monitor/SlowLogController.php
+++ b/libraries/classes/Controllers/Server/Status/Monitor/SlowLogController.php
@@ -33,7 +33,7 @@ final class SlowLogController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $GLOBALS['errorUrl'] = Url::getFromRoute('/');
 
diff --git a/libraries/classes/Controllers/Server/Status/VariablesController.php b/libraries/classes/Controllers/Server/Status/VariablesController.php
index 30221a646d..750b5e5ce2 100644
--- a/libraries/classes/Controllers/Server/Status/VariablesController.php
+++ b/libraries/classes/Controllers/Server/Status/VariablesController.php
@@ -32,7 +32,7 @@ class VariablesController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $filterAlert = $request->getParsedBodyParam('filterAlert');
         $filterText = $request->getParsedBodyParam('filterText');
diff --git a/libraries/classes/Controllers/Sql/SqlController.php b/libraries/classes/Controllers/Sql/SqlController.php
index 3a8aa1c503..32ebad139b 100644
--- a/libraries/classes/Controllers/Sql/SqlController.php
+++ b/libraries/classes/Controllers/Sql/SqlController.php
@@ -49,21 +49,21 @@ class SqlController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['display_query'] = $GLOBALS['display_query'] ?? null;
-        $GLOBALS['ajax_reload'] = $GLOBALS['ajax_reload'] ?? null;
-        $GLOBALS['goto'] = $GLOBALS['goto'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['find_real_end'] = $GLOBALS['find_real_end'] ?? null;
-        $GLOBALS['unlim_num_rows'] = $GLOBALS['unlim_num_rows'] ?? null;
-        $GLOBALS['import_text'] = $GLOBALS['import_text'] ?? null;
-        $GLOBALS['disp_query'] = $GLOBALS['disp_query'] ?? null;
-        $GLOBALS['extra_data'] = $GLOBALS['extra_data'] ?? null;
-        $GLOBALS['message_to_show'] = $GLOBALS['message_to_show'] ?? null;
-        $GLOBALS['disp_message'] = $GLOBALS['disp_message'] ?? null;
-        $GLOBALS['complete_query'] = $GLOBALS['complete_query'] ?? null;
-        $GLOBALS['is_gotofile'] = $GLOBALS['is_gotofile'] ?? null;
-        $GLOBALS['back'] = $GLOBALS['back'] ?? null;
-        $GLOBALS['table_from_sql'] = $GLOBALS['table_from_sql'] ?? null;
+        $GLOBALS['display_query'] ??= null;
+        $GLOBALS['ajax_reload'] ??= null;
+        $GLOBALS['goto'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['find_real_end'] ??= null;
+        $GLOBALS['unlim_num_rows'] ??= null;
+        $GLOBALS['import_text'] ??= null;
+        $GLOBALS['disp_query'] ??= null;
+        $GLOBALS['extra_data'] ??= null;
+        $GLOBALS['message_to_show'] ??= null;
+        $GLOBALS['disp_message'] ??= null;
+        $GLOBALS['complete_query'] ??= null;
+        $GLOBALS['is_gotofile'] ??= null;
+        $GLOBALS['back'] ??= null;
+        $GLOBALS['table_from_sql'] ??= null;
 
         $this->checkUserPrivileges->getPrivileges();
 
diff --git a/libraries/classes/Controllers/Table/AddFieldController.php b/libraries/classes/Controllers/Table/AddFieldController.php
index 872de28af3..67fb0f8c4d 100644
--- a/libraries/classes/Controllers/Table/AddFieldController.php
+++ b/libraries/classes/Controllers/Table/AddFieldController.php
@@ -58,12 +58,12 @@ class AddFieldController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['active_page'] = $GLOBALS['active_page'] ?? null;
-        $GLOBALS['num_fields'] = $GLOBALS['num_fields'] ?? null;
-        $GLOBALS['regenerate'] = $GLOBALS['regenerate'] ?? null;
-        $GLOBALS['result'] = $GLOBALS['result'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['active_page'] ??= null;
+        $GLOBALS['num_fields'] ??= null;
+        $GLOBALS['regenerate'] ??= null;
+        $GLOBALS['result'] ??= null;
 
         /** @var string|null $numberOfFields */
         $numberOfFields = $request->getParsedBodyParam('num_fields');
diff --git a/libraries/classes/Controllers/Table/ChangeController.php b/libraries/classes/Controllers/Table/ChangeController.php
index b9d9d1e165..2afb15a3df 100644
--- a/libraries/classes/Controllers/Table/ChangeController.php
+++ b/libraries/classes/Controllers/Table/ChangeController.php
@@ -47,33 +47,33 @@ class ChangeController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
-        $GLOBALS['disp_message'] = $GLOBALS['disp_message'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['where_clause'] = $GLOBALS['where_clause'] ?? null;
-        $GLOBALS['unsaved_values'] = $GLOBALS['unsaved_values'] ?? null;
-        $GLOBALS['insert_mode'] = $GLOBALS['insert_mode'] ?? null;
-        $GLOBALS['where_clause_array'] = $GLOBALS['where_clause_array'] ?? null;
-        $GLOBALS['where_clauses'] = $GLOBALS['where_clauses'] ?? null;
-        $GLOBALS['result'] = $GLOBALS['result'] ?? null;
-        $GLOBALS['rows'] = $GLOBALS['rows'] ?? null;
-        $GLOBALS['found_unique_key'] = $GLOBALS['found_unique_key'] ?? null;
-        $GLOBALS['after_insert'] = $GLOBALS['after_insert'] ?? null;
-        $GLOBALS['comments_map'] = $GLOBALS['comments_map'] ?? null;
-        $GLOBALS['table_columns'] = $GLOBALS['table_columns'] ?? null;
-        $GLOBALS['timestamp_seen'] = $GLOBALS['timestamp_seen'] ?? null;
-        $GLOBALS['columns_cnt'] = $GLOBALS['columns_cnt'] ?? null;
-        $GLOBALS['tabindex'] = $GLOBALS['tabindex'] ?? null;
-        $GLOBALS['tabindex_for_value'] = $GLOBALS['tabindex_for_value'] ?? null;
-        $GLOBALS['o_rows'] = $GLOBALS['o_rows'] ?? null;
-        $GLOBALS['biggest_max_file_size'] = $GLOBALS['biggest_max_file_size'] ?? null;
-        $GLOBALS['has_blob_field'] = $GLOBALS['has_blob_field'] ?? null;
-        $GLOBALS['jsvkey'] = $GLOBALS['jsvkey'] ?? null;
-        $GLOBALS['vkey'] = $GLOBALS['vkey'] ?? null;
-        $GLOBALS['current_result'] = $GLOBALS['current_result'] ?? null;
-        $GLOBALS['repopulate'] = $GLOBALS['repopulate'] ?? null;
-        $GLOBALS['checked'] = $GLOBALS['checked'] ?? null;
+        $GLOBALS['text_dir'] ??= null;
+        $GLOBALS['disp_message'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['where_clause'] ??= null;
+        $GLOBALS['unsaved_values'] ??= null;
+        $GLOBALS['insert_mode'] ??= null;
+        $GLOBALS['where_clause_array'] ??= null;
+        $GLOBALS['where_clauses'] ??= null;
+        $GLOBALS['result'] ??= null;
+        $GLOBALS['rows'] ??= null;
+        $GLOBALS['found_unique_key'] ??= null;
+        $GLOBALS['after_insert'] ??= null;
+        $GLOBALS['comments_map'] ??= null;
+        $GLOBALS['table_columns'] ??= null;
+        $GLOBALS['timestamp_seen'] ??= null;
+        $GLOBALS['columns_cnt'] ??= null;
+        $GLOBALS['tabindex'] ??= null;
+        $GLOBALS['tabindex_for_value'] ??= null;
+        $GLOBALS['o_rows'] ??= null;
+        $GLOBALS['biggest_max_file_size'] ??= null;
+        $GLOBALS['has_blob_field'] ??= null;
+        $GLOBALS['jsvkey'] ??= null;
+        $GLOBALS['vkey'] ??= null;
+        $GLOBALS['current_result'] ??= null;
+        $GLOBALS['repopulate'] ??= null;
+        $GLOBALS['checked'] ??= null;
 
         $pageSettings = new PageSettings('Edit');
         $this->response->addHTML($pageSettings->getErrorHTML());
diff --git a/libraries/classes/Controllers/Table/ChangeRowsController.php b/libraries/classes/Controllers/Table/ChangeRowsController.php
index 698a134a55..666970bc88 100644
--- a/libraries/classes/Controllers/Table/ChangeRowsController.php
+++ b/libraries/classes/Controllers/Table/ChangeRowsController.php
@@ -28,8 +28,8 @@ final class ChangeRowsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['active_page'] = $GLOBALS['active_page'] ?? null;
-        $GLOBALS['where_clause'] = $GLOBALS['where_clause'] ?? null;
+        $GLOBALS['active_page'] ??= null;
+        $GLOBALS['where_clause'] ??= null;
 
         if (isset($_POST['goto']) && (! isset($_POST['rows_to_delete']) || ! is_array($_POST['rows_to_delete']))) {
             $this->response->setRequestStatus(false);
diff --git a/libraries/classes/Controllers/Table/ChartController.php b/libraries/classes/Controllers/Table/ChartController.php
index 5c152558cf..42ad5bec17 100644
--- a/libraries/classes/Controllers/Table/ChartController.php
+++ b/libraries/classes/Controllers/Table/ChartController.php
@@ -44,7 +44,7 @@ class ChartController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
 
         if (isset($_REQUEST['pos'], $_REQUEST['session_max_rows']) && $this->response->isAjax()) {
             $this->ajax();
@@ -169,8 +169,8 @@ class ChartController extends AbstractController
      */
     public function ajax(): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
         if (strlen($GLOBALS['table']) > 0 && strlen($GLOBALS['db']) > 0) {
             $this->checkParameters(['db', 'table']);
 
diff --git a/libraries/classes/Controllers/Table/DeleteConfirmController.php b/libraries/classes/Controllers/Table/DeleteConfirmController.php
index 383ef8bf35..af115a5141 100644
--- a/libraries/classes/Controllers/Table/DeleteConfirmController.php
+++ b/libraries/classes/Controllers/Table/DeleteConfirmController.php
@@ -18,8 +18,8 @@ final class DeleteConfirmController extends AbstractController
 {
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $selected = $_POST['rows_to_delete'] ?? null;
 
diff --git a/libraries/classes/Controllers/Table/DeleteRowsController.php b/libraries/classes/Controllers/Table/DeleteRowsController.php
index bb331bfafd..2a48bbdda0 100644
--- a/libraries/classes/Controllers/Table/DeleteRowsController.php
+++ b/libraries/classes/Controllers/Table/DeleteRowsController.php
@@ -36,10 +36,10 @@ final class DeleteRowsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['goto'] = $GLOBALS['goto'] ?? null;
-        $GLOBALS['disp_message'] = $GLOBALS['disp_message'] ?? null;
-        $GLOBALS['disp_query'] = $GLOBALS['disp_query'] ?? null;
-        $GLOBALS['active_page'] = $GLOBALS['active_page'] ?? null;
+        $GLOBALS['goto'] ??= null;
+        $GLOBALS['disp_message'] ??= null;
+        $GLOBALS['disp_query'] ??= null;
+        $GLOBALS['active_page'] ??= null;
 
         $mult_btn = $_POST['mult_btn'] ?? '';
         $selected = $_POST['selected'] ?? [];
diff --git a/libraries/classes/Controllers/Table/ExportController.php b/libraries/classes/Controllers/Table/ExportController.php
index 323656ed6e..8aedaeb14e 100644
--- a/libraries/classes/Controllers/Table/ExportController.php
+++ b/libraries/classes/Controllers/Table/ExportController.php
@@ -38,11 +38,11 @@ class ExportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['replaces'] = $GLOBALS['replaces'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['where_clause'] = $GLOBALS['where_clause'] ?? null;
-        $GLOBALS['unlim_num_rows'] = $GLOBALS['unlim_num_rows'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['replaces'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['where_clause'] ??= null;
+        $GLOBALS['unlim_num_rows'] ??= null;
 
         $pageSettings = new PageSettings('Export');
         $pageSettingsErrorHtml = $pageSettings->getErrorHTML();
diff --git a/libraries/classes/Controllers/Table/ExportRowsController.php b/libraries/classes/Controllers/Table/ExportRowsController.php
index 5631718974..7b4d638471 100644
--- a/libraries/classes/Controllers/Table/ExportRowsController.php
+++ b/libraries/classes/Controllers/Table/ExportRowsController.php
@@ -28,9 +28,9 @@ final class ExportRowsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['active_page'] = $GLOBALS['active_page'] ?? null;
-        $GLOBALS['single_table'] = $GLOBALS['single_table'] ?? null;
-        $GLOBALS['where_clause'] = $GLOBALS['where_clause'] ?? null;
+        $GLOBALS['active_page'] ??= null;
+        $GLOBALS['single_table'] ??= null;
+        $GLOBALS['where_clause'] ??= null;
 
         if (isset($_POST['goto']) && (! isset($_POST['rows_to_delete']) || ! is_array($_POST['rows_to_delete']))) {
             $this->response->setRequestStatus(false);
diff --git a/libraries/classes/Controllers/Table/FindReplaceController.php b/libraries/classes/Controllers/Table/FindReplaceController.php
index b73eb20f5b..af98978ce4 100644
--- a/libraries/classes/Controllers/Table/FindReplaceController.php
+++ b/libraries/classes/Controllers/Table/FindReplaceController.php
@@ -59,8 +59,8 @@ class FindReplaceController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
         $this->checkParameters(['db', 'table']);
 
         $GLOBALS['urlParams'] = ['db' => $GLOBALS['db'], 'table' => $GLOBALS['table']];
diff --git a/libraries/classes/Controllers/Table/GisVisualizationController.php b/libraries/classes/Controllers/Table/GisVisualizationController.php
index a3ccf8ae72..051d6a19b6 100644
--- a/libraries/classes/Controllers/Table/GisVisualizationController.php
+++ b/libraries/classes/Controllers/Table/GisVisualizationController.php
@@ -41,8 +41,8 @@ final class GisVisualizationController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
         $this->checkParameters(['db']);
 
         $GLOBALS['errorUrl'] = Util::getScriptNameForOption($GLOBALS['cfg']['DefaultTabDatabase'], 'database');
diff --git a/libraries/classes/Controllers/Table/ImportController.php b/libraries/classes/Controllers/Table/ImportController.php
index 63c1cd6d93..96ea1494a6 100644
--- a/libraries/classes/Controllers/Table/ImportController.php
+++ b/libraries/classes/Controllers/Table/ImportController.php
@@ -40,9 +40,9 @@ final class ImportController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['SESSION_KEY'] = $GLOBALS['SESSION_KEY'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['SESSION_KEY'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $pageSettings = new PageSettings('Import');
         $pageSettingsErrorHtml = $pageSettings->getErrorHTML();
diff --git a/libraries/classes/Controllers/Table/IndexRenameController.php b/libraries/classes/Controllers/Table/IndexRenameController.php
index 68571095ca..8d15aadd46 100644
--- a/libraries/classes/Controllers/Table/IndexRenameController.php
+++ b/libraries/classes/Controllers/Table/IndexRenameController.php
@@ -36,8 +36,8 @@ final class IndexRenameController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         if (! isset($_POST['create_edit_table'])) {
             $this->checkParameters(['db', 'table']);
diff --git a/libraries/classes/Controllers/Table/IndexesController.php b/libraries/classes/Controllers/Table/IndexesController.php
index 69a5e42c6b..2574b4b115 100644
--- a/libraries/classes/Controllers/Table/IndexesController.php
+++ b/libraries/classes/Controllers/Table/IndexesController.php
@@ -43,8 +43,8 @@ class IndexesController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         if (! isset($_POST['create_edit_table'])) {
             $this->checkParameters(['db', 'table']);
diff --git a/libraries/classes/Controllers/Table/OperationsController.php b/libraries/classes/Controllers/Table/OperationsController.php
index 0a55867429..50270f8da7 100644
--- a/libraries/classes/Controllers/Table/OperationsController.php
+++ b/libraries/classes/Controllers/Table/OperationsController.php
@@ -63,28 +63,28 @@ class OperationsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['reread_info'] = $GLOBALS['reread_info'] ?? null;
-        $GLOBALS['tbl_is_view'] = $GLOBALS['tbl_is_view'] ?? null;
-        $GLOBALS['tbl_storage_engine'] = $GLOBALS['tbl_storage_engine'] ?? null;
-        $GLOBALS['show_comment'] = $GLOBALS['show_comment'] ?? null;
-        $GLOBALS['tbl_collation'] = $GLOBALS['tbl_collation'] ?? null;
-        $GLOBALS['table_info_num_rows'] = $GLOBALS['table_info_num_rows'] ?? null;
-        $GLOBALS['row_format'] = $GLOBALS['row_format'] ?? null;
-        $GLOBALS['auto_increment'] = $GLOBALS['auto_increment'] ?? null;
-        $GLOBALS['create_options'] = $GLOBALS['create_options'] ?? null;
-        $GLOBALS['table_alters'] = $GLOBALS['table_alters'] ?? null;
-        $GLOBALS['warning_messages'] = $GLOBALS['warning_messages'] ?? null;
-        $GLOBALS['reload'] = $GLOBALS['reload'] ?? null;
-        $GLOBALS['result'] = $GLOBALS['result'] ?? null;
-        $GLOBALS['new_tbl_storage_engine'] = $GLOBALS['new_tbl_storage_engine'] ?? null;
-        $GLOBALS['message_to_show'] = $GLOBALS['message_to_show'] ?? null;
-        $GLOBALS['columns'] = $GLOBALS['columns'] ?? null;
-        $GLOBALS['hideOrderTable'] = $GLOBALS['hideOrderTable'] ?? null;
-        $GLOBALS['indexes'] = $GLOBALS['indexes'] ?? null;
-        $GLOBALS['notNull'] = $GLOBALS['notNull'] ?? null;
-        $GLOBALS['comment'] = $GLOBALS['comment'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['reread_info'] ??= null;
+        $GLOBALS['tbl_is_view'] ??= null;
+        $GLOBALS['tbl_storage_engine'] ??= null;
+        $GLOBALS['show_comment'] ??= null;
+        $GLOBALS['tbl_collation'] ??= null;
+        $GLOBALS['table_info_num_rows'] ??= null;
+        $GLOBALS['row_format'] ??= null;
+        $GLOBALS['auto_increment'] ??= null;
+        $GLOBALS['create_options'] ??= null;
+        $GLOBALS['table_alters'] ??= null;
+        $GLOBALS['warning_messages'] ??= null;
+        $GLOBALS['reload'] ??= null;
+        $GLOBALS['result'] ??= null;
+        $GLOBALS['new_tbl_storage_engine'] ??= null;
+        $GLOBALS['message_to_show'] ??= null;
+        $GLOBALS['columns'] ??= null;
+        $GLOBALS['hideOrderTable'] ??= null;
+        $GLOBALS['indexes'] ??= null;
+        $GLOBALS['notNull'] ??= null;
+        $GLOBALS['comment'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $this->checkUserPrivileges->getPrivileges();
 
@@ -145,7 +145,7 @@ class OperationsController extends AbstractController
             $GLOBALS['create_options']['transactional'] = ($GLOBALS['create_options']['transactional'] ?? '') == '0'
                 ? '0'
                 : '1';
-            $GLOBALS['create_options']['page_checksum'] = $GLOBALS['create_options']['page_checksum'] ?? '';
+            $GLOBALS['create_options']['page_checksum'] ??= '';
         }
 
         $pma_table = $this->dbi->getTable($GLOBALS['db'], $GLOBALS['table']);
@@ -236,7 +236,7 @@ class OperationsController extends AbstractController
                 if ($pma_table->isEngine('ARIA')) {
                     $GLOBALS['create_options']['transactional'] = ($GLOBALS['create_options']['transactional'] ?? '')
                         == '0' ? '0' : '1';
-                    $GLOBALS['create_options']['page_checksum'] = $GLOBALS['create_options']['page_checksum'] ?? '';
+                    $GLOBALS['create_options']['page_checksum'] ??= '';
                 }
             } else {
                 $GLOBALS['new_tbl_storage_engine'] = '';
diff --git a/libraries/classes/Controllers/Table/ReplaceController.php b/libraries/classes/Controllers/Table/ReplaceController.php
index 75134898ff..cf7e33e9ec 100644
--- a/libraries/classes/Controllers/Table/ReplaceController.php
+++ b/libraries/classes/Controllers/Table/ReplaceController.php
@@ -66,16 +66,16 @@ final class ReplaceController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['message'] ??= null;
         $this->checkParameters(['db', 'table', 'goto']);
 
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['unsaved_values'] = $GLOBALS['unsaved_values'] ?? null;
-        $GLOBALS['active_page'] = $GLOBALS['active_page'] ?? null;
-        $GLOBALS['disp_query'] = $GLOBALS['disp_query'] ?? null;
-        $GLOBALS['disp_message'] = $GLOBALS['disp_message'] ?? null;
-        $GLOBALS['query'] = $GLOBALS['query'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['unsaved_values'] ??= null;
+        $GLOBALS['active_page'] ??= null;
+        $GLOBALS['disp_query'] ??= null;
+        $GLOBALS['disp_message'] ??= null;
+        $GLOBALS['query'] ??= null;
 
         $this->dbi->selectDb($GLOBALS['db']);
 
@@ -171,7 +171,7 @@ final class ReplaceController extends AbstractController
                 // available in $multi_edit_columns_name[$key]
 
                 // When a select field is nullified, it's not present in $_POST so initialize it
-                $multi_edit_columns[$key] = $multi_edit_columns[$key] ?? '';
+                $multi_edit_columns[$key] ??= '';
 
                 /** @var string[]|string $current_value */
                 $current_value = $multi_edit_columns[$key];
diff --git a/libraries/classes/Controllers/Table/SqlController.php b/libraries/classes/Controllers/Table/SqlController.php
index a700dffe5d..19716c3473 100644
--- a/libraries/classes/Controllers/Table/SqlController.php
+++ b/libraries/classes/Controllers/Table/SqlController.php
@@ -34,9 +34,9 @@ final class SqlController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['goto'] = $GLOBALS['goto'] ?? null;
-        $GLOBALS['back'] = $GLOBALS['back'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['goto'] ??= null;
+        $GLOBALS['back'] ??= null;
 
         $this->addScriptFiles(['makegrid.js', 'vendor/jquery/jquery.uitablefilter.js', 'sql.js']);
 
diff --git a/libraries/classes/Controllers/Table/Structure/AbstractIndexController.php b/libraries/classes/Controllers/Table/Structure/AbstractIndexController.php
index 97332743da..bf92ce7978 100644
--- a/libraries/classes/Controllers/Table/Structure/AbstractIndexController.php
+++ b/libraries/classes/Controllers/Table/Structure/AbstractIndexController.php
@@ -34,7 +34,7 @@ abstract class AbstractIndexController extends AbstractController
 
     public function handleIndexCreation(ServerRequest $request, string $indexType): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['message'] ??= null;
 
         $selected = $request->getParsedBodyParam('selected_fld', []);
 
diff --git a/libraries/classes/Controllers/Table/Structure/AddKeyController.php b/libraries/classes/Controllers/Table/Structure/AddKeyController.php
index 467726a1b7..d885b8e9b7 100644
--- a/libraries/classes/Controllers/Table/Structure/AddKeyController.php
+++ b/libraries/classes/Controllers/Table/Structure/AddKeyController.php
@@ -30,7 +30,7 @@ final class AddKeyController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['reload'] = $GLOBALS['reload'] ?? null;
+        $GLOBALS['reload'] ??= null;
 
         ($this->sqlController)($request);
 
diff --git a/libraries/classes/Controllers/Table/Structure/CentralColumnsAddController.php b/libraries/classes/Controllers/Table/Structure/CentralColumnsAddController.php
index c907f8b5aa..55777d90fb 100644
--- a/libraries/classes/Controllers/Table/Structure/CentralColumnsAddController.php
+++ b/libraries/classes/Controllers/Table/Structure/CentralColumnsAddController.php
@@ -34,7 +34,7 @@ final class CentralColumnsAddController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['message'] ??= null;
 
         $selected = $request->getParsedBodyParam('selected_fld', []);
 
diff --git a/libraries/classes/Controllers/Table/Structure/CentralColumnsRemoveController.php b/libraries/classes/Controllers/Table/Structure/CentralColumnsRemoveController.php
index 98eef17798..0a69672919 100644
--- a/libraries/classes/Controllers/Table/Structure/CentralColumnsRemoveController.php
+++ b/libraries/classes/Controllers/Table/Structure/CentralColumnsRemoveController.php
@@ -34,7 +34,7 @@ final class CentralColumnsRemoveController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['message'] ??= null;
 
         $selected = $request->getParsedBodyParam('selected_fld', []);
 
diff --git a/libraries/classes/Controllers/Table/Structure/ChangeController.php b/libraries/classes/Controllers/Table/Structure/ChangeController.php
index 96471966eb..a287601869 100644
--- a/libraries/classes/Controllers/Table/Structure/ChangeController.php
+++ b/libraries/classes/Controllers/Table/Structure/ChangeController.php
@@ -61,7 +61,7 @@ final class ChangeController extends AbstractController
      */
     private function displayHtmlForColumnChange(array $selected): void
     {
-        $GLOBALS['num_fields'] = $GLOBALS['num_fields'] ?? null;
+        $GLOBALS['num_fields'] ??= null;
 
         /**
          * @todo optimize in case of multiple fields to modify
diff --git a/libraries/classes/Controllers/Table/Structure/PrimaryController.php b/libraries/classes/Controllers/Table/Structure/PrimaryController.php
index bdd658ddf4..046bdcd69c 100644
--- a/libraries/classes/Controllers/Table/Structure/PrimaryController.php
+++ b/libraries/classes/Controllers/Table/Structure/PrimaryController.php
@@ -38,9 +38,9 @@ final class PrimaryController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         /** @var string[]|null $selected */
         $selected = $request->getParsedBodyParam('selected_fld', $request->getParsedBodyParam('selected'));
diff --git a/libraries/classes/Controllers/Table/StructureController.php b/libraries/classes/Controllers/Table/StructureController.php
index bed79b3a49..55e1324913 100644
--- a/libraries/classes/Controllers/Table/StructureController.php
+++ b/libraries/classes/Controllers/Table/StructureController.php
@@ -66,13 +66,13 @@ class StructureController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['reread_info'] = $GLOBALS['reread_info'] ?? null;
-        $GLOBALS['showtable'] = $GLOBALS['showtable'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['tbl_is_view'] = $GLOBALS['tbl_is_view'] ?? null;
-        $GLOBALS['tbl_storage_engine'] = $GLOBALS['tbl_storage_engine'] ?? null;
-        $GLOBALS['tbl_collation'] = $GLOBALS['tbl_collation'] ?? null;
-        $GLOBALS['table_info_num_rows'] = $GLOBALS['table_info_num_rows'] ?? null;
+        $GLOBALS['reread_info'] ??= null;
+        $GLOBALS['showtable'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['tbl_is_view'] ??= null;
+        $GLOBALS['tbl_storage_engine'] ??= null;
+        $GLOBALS['tbl_collation'] ??= null;
+        $GLOBALS['table_info_num_rows'] ??= null;
 
         $this->dbi->selectDb($GLOBALS['db']);
         $GLOBALS['reread_info'] = $this->tableObj->getStatusInfo(null, true);
@@ -152,8 +152,8 @@ class StructureController extends AbstractController
         bool $isSystemSchema,
         string $route
     ) {
-        $GLOBALS['tbl_is_view'] = $GLOBALS['tbl_is_view'] ?? null;
-        $GLOBALS['tbl_storage_engine'] = $GLOBALS['tbl_storage_engine'] ?? null;
+        $GLOBALS['tbl_is_view'] ??= null;
+        $GLOBALS['tbl_storage_engine'] ??= null;
 
         // prepare comments
         $comments_map = [];
@@ -283,10 +283,10 @@ class StructureController extends AbstractController
      */
     protected function getTableStats(bool $isSystemSchema)
     {
-        $GLOBALS['tbl_is_view'] = $GLOBALS['tbl_is_view'] ?? null;
-        $GLOBALS['tbl_storage_engine'] = $GLOBALS['tbl_storage_engine'] ?? null;
-        $GLOBALS['table_info_num_rows'] = $GLOBALS['table_info_num_rows'] ?? null;
-        $GLOBALS['tbl_collation'] = $GLOBALS['tbl_collation'] ?? null;
+        $GLOBALS['tbl_is_view'] ??= null;
+        $GLOBALS['tbl_storage_engine'] ??= null;
+        $GLOBALS['table_info_num_rows'] ??= null;
+        $GLOBALS['tbl_collation'] ??= null;
 
         if (empty($GLOBALS['showtable'])) {
             $GLOBALS['showtable'] = $this->dbi->getTable($GLOBALS['db'], $GLOBALS['table'])->getStatusInfo(null, true);
diff --git a/libraries/classes/Controllers/Table/TrackingController.php b/libraries/classes/Controllers/Table/TrackingController.php
index e98e2e69a8..8d6d8ad148 100644
--- a/libraries/classes/Controllers/Table/TrackingController.php
+++ b/libraries/classes/Controllers/Table/TrackingController.php
@@ -44,12 +44,12 @@ final class TrackingController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['msg'] = $GLOBALS['msg'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
-        $GLOBALS['entries'] = $GLOBALS['entries'] ?? null;
-        $GLOBALS['filter_users'] = $GLOBALS['filter_users'] ?? null;
+        $GLOBALS['text_dir'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['msg'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
+        $GLOBALS['entries'] ??= null;
+        $GLOBALS['filter_users'] ??= null;
 
         $this->addScriptFiles(['vendor/jquery/jquery.tablesorter.js', 'table/tracking.js']);
 
@@ -120,8 +120,8 @@ final class TrackingController extends AbstractController
             $GLOBALS['filter_users'] = array_map('trim', explode(',', $users));
         }
 
-        $dateFrom = $dateFrom ?? new DateTimeImmutable();
-        $dateTo = $dateTo ?? new DateTimeImmutable();
+        $dateFrom ??= new DateTimeImmutable();
+        $dateTo ??= new DateTimeImmutable();
 
         // Prepare export
         if ($reportExport !== null) {
diff --git a/libraries/classes/Controllers/Table/TriggersController.php b/libraries/classes/Controllers/Table/TriggersController.php
index 202a0bf007..0a7f5f1031 100644
--- a/libraries/classes/Controllers/Table/TriggersController.php
+++ b/libraries/classes/Controllers/Table/TriggersController.php
@@ -39,9 +39,9 @@ class TriggersController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errors'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         $this->addScriptFiles(['database/triggers.js']);
 
diff --git a/libraries/classes/Controllers/Table/ZoomSearchController.php b/libraries/classes/Controllers/Table/ZoomSearchController.php
index 3119acd1e4..b11ada1b10 100644
--- a/libraries/classes/Controllers/Table/ZoomSearchController.php
+++ b/libraries/classes/Controllers/Table/ZoomSearchController.php
@@ -93,9 +93,9 @@ class ZoomSearchController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['goto'] = $GLOBALS['goto'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['goto'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
         $this->checkParameters(['db', 'table']);
 
         $GLOBALS['urlParams'] = ['db' => $GLOBALS['db'], 'table' => $GLOBALS['table']];
diff --git a/libraries/classes/Controllers/UserPasswordController.php b/libraries/classes/Controllers/UserPasswordController.php
index 23c7df1e6c..5c3df22fb9 100644
--- a/libraries/classes/Controllers/UserPasswordController.php
+++ b/libraries/classes/Controllers/UserPasswordController.php
@@ -36,10 +36,10 @@ class UserPasswordController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['hostname'] = $GLOBALS['hostname'] ?? null;
-        $GLOBALS['username'] = $GLOBALS['username'] ?? null;
-        $GLOBALS['change_password_message'] = $GLOBALS['change_password_message'] ?? null;
-        $GLOBALS['msg'] = $GLOBALS['msg'] ?? null;
+        $GLOBALS['hostname'] ??= null;
+        $GLOBALS['username'] ??= null;
+        $GLOBALS['change_password_message'] ??= null;
+        $GLOBALS['msg'] ??= null;
 
         $this->addScriptFiles(['server/privileges.js', 'vendor/zxcvbn-ts.js']);
 
diff --git a/libraries/classes/Controllers/View/CreateController.php b/libraries/classes/Controllers/View/CreateController.php
index 30e77674ec..6eab09695b 100644
--- a/libraries/classes/Controllers/View/CreateController.php
+++ b/libraries/classes/Controllers/View/CreateController.php
@@ -61,9 +61,9 @@ class CreateController extends AbstractController
     public function __invoke(ServerRequest $request): void
     {
         $this->checkParameters(['db']);
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['text_dir'] ??= null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['message'] ??= null;
 
         $GLOBALS['errorUrl'] = Util::getScriptNameForOption($GLOBALS['cfg']['DefaultTabDatabase'], 'database');
         $GLOBALS['errorUrl'] .= Url::getCommon(['db' => $GLOBALS['db']], '&');
diff --git a/libraries/classes/Controllers/View/OperationsController.php b/libraries/classes/Controllers/View/OperationsController.php
index 2baadcc48a..18281625c1 100644
--- a/libraries/classes/Controllers/View/OperationsController.php
+++ b/libraries/classes/Controllers/View/OperationsController.php
@@ -41,13 +41,13 @@ class OperationsController extends AbstractController
 
     public function __invoke(ServerRequest $request): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
-        $GLOBALS['reload'] = $GLOBALS['reload'] ?? null;
-        $GLOBALS['result'] = $GLOBALS['result'] ?? null;
-        $GLOBALS['warning_messages'] = $GLOBALS['warning_messages'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
+        $GLOBALS['reload'] ??= null;
+        $GLOBALS['result'] ??= null;
+        $GLOBALS['warning_messages'] ??= null;
         $tableObject = $this->dbi->getTable($GLOBALS['db'], $GLOBALS['table']);
 
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
         $this->addScriptFiles(['table/operations.js']);
 
         $this->checkParameters(['db', 'table']);
diff --git a/libraries/classes/Core.php b/libraries/classes/Core.php
index 02b7bf8470..9f6f048428 100644
--- a/libraries/classes/Core.php
+++ b/libraries/classes/Core.php
@@ -118,7 +118,7 @@ class Core
         bool $fatal = false,
         string $extra = ''
     ): void {
-        $GLOBALS['errorHandler'] = $GLOBALS['errorHandler'] ?? null;
+        $GLOBALS['errorHandler'] ??= null;
 
         $message = 'The %s extension is missing. Please check your PHP configuration.';
 
diff --git a/libraries/classes/Crypto/Crypto.php b/libraries/classes/Crypto/Crypto.php
index 8be9895f81..98ae1cbe5f 100644
--- a/libraries/classes/Crypto/Crypto.php
+++ b/libraries/classes/Crypto/Crypto.php
@@ -20,7 +20,7 @@ final class Crypto
 {
     private function getEncryptionKey(): string
     {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         $key = $GLOBALS['config']->get('URLQueryEncryptionSecretKey');
         if (is_string($key) && mb_strlen($key, '8bit') === SODIUM_CRYPTO_SECRETBOX_KEYBYTES) {
diff --git a/libraries/classes/Database/Designer.php b/libraries/classes/Database/Designer.php
index b44c8e3a7d..ea879b9cb9 100644
--- a/libraries/classes/Database/Designer.php
+++ b/libraries/classes/Database/Designer.php
@@ -247,7 +247,7 @@ class Designer
         array $tables_all_keys,
         array $tables_pk_or_unique_keys
     ) {
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
+        $GLOBALS['text_dir'] ??= null;
 
         $columns_type = [];
         foreach ($designerTables as $designerTable) {
@@ -333,7 +333,7 @@ class Designer
         array $tablesAllKeys,
         array $tablesPkOrUniqueKeys
     ): string {
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? null;
+        $GLOBALS['text_dir'] ??= null;
 
         $relationParameters = $this->relation->getRelationParameters();
         $columnsType = [];
diff --git a/libraries/classes/Database/Designer/Common.php b/libraries/classes/Database/Designer/Common.php
index 6041ff68ba..489441a6db 100644
--- a/libraries/classes/Database/Designer/Common.php
+++ b/libraries/classes/Database/Designer/Common.php
@@ -57,7 +57,7 @@ class Common
     public function getTablesInfo(?string $db = null, ?string $table = null): array
     {
         $designerTables = [];
-        $db = $db ?? $GLOBALS['db'];
+        $db ??= $GLOBALS['db'];
         // seems to be needed later
         $this->dbi->selectDb($db);
         if ($table === null) {
diff --git a/libraries/classes/Database/Events.php b/libraries/classes/Database/Events.php
index 574d212bb4..90e7c7a8e4 100644
--- a/libraries/classes/Database/Events.php
+++ b/libraries/classes/Database/Events.php
@@ -86,8 +86,8 @@ class Events
      */
     public function handleEditor(): void
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['errors'] ??= null;
+        $GLOBALS['message'] ??= null;
 
         if (! empty($_POST['editor_process_add']) || ! empty($_POST['editor_process_edit'])) {
             $sql_query = '';
@@ -393,7 +393,7 @@ class Events
      */
     public function getQueryFromRequest()
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
+        $GLOBALS['errors'] ??= null;
 
         $query = 'CREATE ';
         if (! empty($_POST['item_definer'])) {
diff --git a/libraries/classes/Database/Routines.php b/libraries/classes/Database/Routines.php
index 06816f4404..d66eed2cb8 100644
--- a/libraries/classes/Database/Routines.php
+++ b/libraries/classes/Database/Routines.php
@@ -81,7 +81,7 @@ class Routines
      */
     public function handleEditor(): void
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
+        $GLOBALS['errors'] ??= null;
         $GLOBALS['errors'] = $this->handleRequestCreateOrEdit($GLOBALS['errors'], $GLOBALS['db']);
 
         /**
@@ -181,7 +181,7 @@ class Routines
      */
     public function handleRequestCreateOrEdit(array $errors, $db)
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['message'] ??= null;
 
         if (empty($_POST['editor_process_add']) && empty($_POST['editor_process_edit'])) {
             return $errors;
@@ -736,7 +736,7 @@ class Routines
      */
     public function getEditorForm($mode, $operation, array $routine)
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
+        $GLOBALS['errors'] ??= null;
 
         for ($i = 0; $i < $routine['item_num_params']; $i++) {
             $routine['item_param_name'][$i] = htmlentities($routine['item_param_name'][$i], ENT_QUOTES);
@@ -817,7 +817,7 @@ class Routines
         string $itemType,
         bool &$warnedAboutLength
     ): string {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
+        $GLOBALS['errors'] ??= null;
 
         $params = '';
         $warnedAboutDir = false;
@@ -904,7 +904,7 @@ class Routines
         string $query,
         bool $warnedAboutLength
     ): string {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
+        $GLOBALS['errors'] ??= null;
 
         $itemReturnType = $_POST['item_returntype'] ?? null;
 
@@ -958,7 +958,7 @@ class Routines
      */
     public function getQueryFromRequest(): string
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
+        $GLOBALS['errors'] ??= null;
 
         $itemType = $_POST['item_type'] ?? '';
         $itemDefiner = $_POST['item_definer'] ?? '';
diff --git a/libraries/classes/Database/Triggers.php b/libraries/classes/Database/Triggers.php
index eea058a1c3..e0d422305c 100644
--- a/libraries/classes/Database/Triggers.php
+++ b/libraries/classes/Database/Triggers.php
@@ -97,8 +97,8 @@ class Triggers
      */
     public function handleEditor(): void
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['errors'] ??= null;
+        $GLOBALS['message'] ??= null;
 
         if (! empty($_POST['editor_process_add']) || ! empty($_POST['editor_process_edit'])) {
             $sql_query = '';
@@ -373,7 +373,7 @@ class Triggers
      */
     public function getQueryFromRequest()
     {
-        $GLOBALS['errors'] = $GLOBALS['errors'] ?? null;
+        $GLOBALS['errors'] ??= null;
 
         $query = 'CREATE ';
         if (! empty($_POST['item_definer'])) {
diff --git a/libraries/classes/DbTableExists.php b/libraries/classes/DbTableExists.php
index ad9e0f0387..d46add3bd4 100644
--- a/libraries/classes/DbTableExists.php
+++ b/libraries/classes/DbTableExists.php
@@ -22,8 +22,8 @@ final class DbTableExists
 
     private static function checkDatabase(string $db, bool $isTransformationWrapper): void
     {
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['show_as_php'] = $GLOBALS['show_as_php'] ?? null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['show_as_php'] ??= null;
 
         if (! empty($GLOBALS['is_db'])) {
             return;
diff --git a/libraries/classes/Display/Results.php b/libraries/classes/Display/Results.php
index 288a64bc6a..e45e115ef9 100644
--- a/libraries/classes/Display/Results.php
+++ b/libraries/classes/Display/Results.php
@@ -1247,7 +1247,7 @@ class Results
      */
     private function getFullOrPartialTextButtonOrLink(): string
     {
-        $GLOBALS['theme'] = $GLOBALS['theme'] ?? null;
+        $GLOBALS['theme'] ??= null;
 
         $urlParamsFullText = [
             'db' => $this->properties['db'],
@@ -1945,7 +1945,7 @@ class Results
     ) {
         // Mostly because of browser transformations, to make the row-data accessible in a plugin.
 
-        $GLOBALS['row'] = $GLOBALS['row'] ?? null;
+        $GLOBALS['row'] ??= null;
 
         $tableBodyHtml = '';
 
diff --git a/libraries/classes/Export.php b/libraries/classes/Export.php
index f7c3b6fa2f..fd0221411c 100644
--- a/libraries/classes/Export.php
+++ b/libraries/classes/Export.php
@@ -130,8 +130,8 @@ class Export
      */
     public function outputHandler(string $line): bool
     {
-        $GLOBALS['time_start'] = $GLOBALS['time_start'] ?? null;
-        $GLOBALS['save_filename'] = $GLOBALS['save_filename'] ?? null;
+        $GLOBALS['time_start'] ??= null;
+        $GLOBALS['save_filename'] ??= null;
 
         // Kanji encoding convert feature
         if ($GLOBALS['output_kanji_conversion']) {
@@ -1079,7 +1079,7 @@ class Export
      */
     public function showPage(string $exportType): void
     {
-        $GLOBALS['active_page'] = $GLOBALS['active_page'] ?? null;
+        $GLOBALS['active_page'] ??= null;
         $request = Common::getRequest();
         $container = Core::getContainerBuilder();
         if ($exportType === 'server') {
diff --git a/libraries/classes/Export/Options.php b/libraries/classes/Export/Options.php
index cafb41a1bc..18a147462a 100644
--- a/libraries/classes/Export/Options.php
+++ b/libraries/classes/Export/Options.php
@@ -213,7 +213,7 @@ final class Options
 
     private function getFileNameTemplate(string $exportType, ?string $filename = null): string
     {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         if ($filename !== null) {
             return $filename;
diff --git a/libraries/classes/Footer.php b/libraries/classes/Footer.php
index aa06b53cf3..1c11048d4e 100644
--- a/libraries/classes/Footer.php
+++ b/libraries/classes/Footer.php
@@ -130,7 +130,7 @@ class Footer
      */
     public function getSelfUrl(): string
     {
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['server'] ??= null;
 
         $params = [];
         $params['route'] = Common::getRequest()->getRoute();
diff --git a/libraries/classes/Header.php b/libraries/classes/Header.php
index 99435809cb..e879b3dff5 100644
--- a/libraries/classes/Header.php
+++ b/libraries/classes/Header.php
@@ -260,7 +260,7 @@ class Header
      */
     public function getDisplay(): string
     {
-        $GLOBALS['theme'] = $GLOBALS['theme'] ?? null;
+        $GLOBALS['theme'] ??= null;
 
         if ($this->headerIsSent || ! $this->isEnabled) {
             return '';
diff --git a/libraries/classes/Import.php b/libraries/classes/Import.php
index ad4eaec6e9..b1dbda465d 100644
--- a/libraries/classes/Import.php
+++ b/libraries/classes/Import.php
@@ -81,9 +81,9 @@ class Import
      */
     public function checkTimeout(): bool
     {
-        $GLOBALS['timestamp'] = $GLOBALS['timestamp'] ?? null;
-        $GLOBALS['maximum_time'] = $GLOBALS['maximum_time'] ?? null;
-        $GLOBALS['timeout_passed'] = $GLOBALS['timeout_passed'] ?? null;
+        $GLOBALS['timestamp'] ??= null;
+        $GLOBALS['maximum_time'] ??= null;
+        $GLOBALS['timeout_passed'] ??= null;
 
         if ($GLOBALS['maximum_time'] == 0) {
             return false;
@@ -113,11 +113,11 @@ class Import
      */
     public function executeQuery(string $sql, array &$sqlData): void
     {
-        $GLOBALS['my_die'] = $GLOBALS['my_die'] ?? null;
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['reload'] = $GLOBALS['reload'] ?? null;
-        $GLOBALS['msg'] = $GLOBALS['msg'] ?? null;
-        $GLOBALS['sql_query_disabled'] = $GLOBALS['sql_query_disabled'] ?? null;
+        $GLOBALS['my_die'] ??= null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['reload'] ??= null;
+        $GLOBALS['msg'] ??= null;
+        $GLOBALS['sql_query_disabled'] ??= null;
         $GLOBALS['result'] = $GLOBALS['dbi']->tryQuery($sql);
 
         // USE query changes the database, son need to track
@@ -186,15 +186,15 @@ class Import
      */
     public function runQuery(string $sql, array &$sqlData): void
     {
-        $GLOBALS['go_sql'] = $GLOBALS['go_sql'] ?? null;
-        $GLOBALS['complete_query'] = $GLOBALS['complete_query'] ?? null;
-        $GLOBALS['display_query'] = $GLOBALS['display_query'] ?? null;
-        $GLOBALS['msg'] = $GLOBALS['msg'] ?? null;
-        $GLOBALS['skip_queries'] = $GLOBALS['skip_queries'] ?? null;
-        $GLOBALS['executed_queries'] = $GLOBALS['executed_queries'] ?? null;
-        $GLOBALS['max_sql_len'] = $GLOBALS['max_sql_len'] ?? null;
-        $GLOBALS['sql_query_disabled'] = $GLOBALS['sql_query_disabled'] ?? null;
-        $GLOBALS['run_query'] = $GLOBALS['run_query'] ?? null;
+        $GLOBALS['go_sql'] ??= null;
+        $GLOBALS['complete_query'] ??= null;
+        $GLOBALS['display_query'] ??= null;
+        $GLOBALS['msg'] ??= null;
+        $GLOBALS['skip_queries'] ??= null;
+        $GLOBALS['executed_queries'] ??= null;
+        $GLOBALS['max_sql_len'] ??= null;
+        $GLOBALS['sql_query_disabled'] ??= null;
+        $GLOBALS['run_query'] ??= null;
 
         $GLOBALS['read_multiply'] = 1;
         if ($this->importRunBuffer === null) {
@@ -314,9 +314,9 @@ class Import
      */
     public function getNextChunk(?File $importHandle = null, int $size = 32768): string|bool
     {
-        $GLOBALS['charset_conversion'] = $GLOBALS['charset_conversion'] ?? null;
-        $GLOBALS['charset_of_file'] = $GLOBALS['charset_of_file'] ?? null;
-        $GLOBALS['read_multiply'] = $GLOBALS['read_multiply'] ?? null;
+        $GLOBALS['charset_conversion'] ??= null;
+        $GLOBALS['charset_of_file'] ??= null;
+        $GLOBALS['read_multiply'] ??= null;
 
         // Add some progression while reading large amount of data
         if ($GLOBALS['read_multiply'] <= 8) {
@@ -956,7 +956,7 @@ class Import
         ?array $options = null,
         array &$sqlData = []
     ): void {
-        $GLOBALS['import_notice'] = $GLOBALS['import_notice'] ?? null;
+        $GLOBALS['import_notice'] ??= null;
 
         /* Needed to quell the beast that is Message */
         $GLOBALS['import_notice'] = null;
diff --git a/libraries/classes/Navigation/Navigation.php b/libraries/classes/Navigation/Navigation.php
index 2a1524bd8b..07392d7a53 100644
--- a/libraries/classes/Navigation/Navigation.php
+++ b/libraries/classes/Navigation/Navigation.php
@@ -285,7 +285,7 @@ class Navigation
      */
     private function getLogoSource(): string
     {
-        $GLOBALS['theme'] = $GLOBALS['theme'] ?? null;
+        $GLOBALS['theme'] ??= null;
 
         if ($GLOBALS['theme'] instanceof Theme) {
             if (@file_exists($GLOBALS['theme']->getFsPath() . 'img/logo_left.png')) {
diff --git a/libraries/classes/Operations.php b/libraries/classes/Operations.php
index 64847650a4..60fc37d370 100644
--- a/libraries/classes/Operations.php
+++ b/libraries/classes/Operations.php
@@ -656,7 +656,7 @@ class Operations
         $transactional,
         $tableCollation
     ) {
-        $GLOBALS['auto_increment'] = $GLOBALS['auto_increment'] ?? null;
+        $GLOBALS['auto_increment'] ??= null;
 
         $tableAlters = [];
 
diff --git a/libraries/classes/Plugins/Auth/AuthenticationCookie.php b/libraries/classes/Plugins/Auth/AuthenticationCookie.php
index b42156dbeb..be955fbbed 100644
--- a/libraries/classes/Plugins/Auth/AuthenticationCookie.php
+++ b/libraries/classes/Plugins/Auth/AuthenticationCookie.php
@@ -66,7 +66,7 @@ class AuthenticationCookie extends AuthenticationPlugin
      */
     public function showLoginForm(): bool
     {
-        $GLOBALS['conn_error'] = $GLOBALS['conn_error'] ?? null;
+        $GLOBALS['conn_error'] ??= null;
 
         $response = ResponseRenderer::getInstance();
 
@@ -228,7 +228,7 @@ class AuthenticationCookie extends AuthenticationPlugin
      */
     public function readCredentials(): bool
     {
-        $GLOBALS['conn_error'] = $GLOBALS['conn_error'] ?? null;
+        $GLOBALS['conn_error'] ??= null;
 
         // Initialization
         /**
@@ -581,7 +581,7 @@ class AuthenticationCookie extends AuthenticationPlugin
      */
     public function showFailure($failure): void
     {
-        $GLOBALS['conn_error'] = $GLOBALS['conn_error'] ?? null;
+        $GLOBALS['conn_error'] ??= null;
 
         parent::showFailure($failure);
 
@@ -684,7 +684,7 @@ class AuthenticationCookie extends AuthenticationPlugin
      */
     public function logOut(): void
     {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         // -> delete password cookie(s)
         if ($GLOBALS['cfg']['LoginCookieDeleteAll']) {
diff --git a/libraries/classes/Plugins/AuthenticationPlugin.php b/libraries/classes/Plugins/AuthenticationPlugin.php
index 7a104972b7..b03730d638 100644
--- a/libraries/classes/Plugins/AuthenticationPlugin.php
+++ b/libraries/classes/Plugins/AuthenticationPlugin.php
@@ -108,7 +108,7 @@ abstract class AuthenticationPlugin
      */
     public function logOut(): void
     {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         /* Obtain redirect URL (before doing logout) */
         if (! empty($GLOBALS['cfg']['Server']['LogoutURL'])) {
diff --git a/libraries/classes/Plugins/Export/ExportCsv.php b/libraries/classes/Plugins/Export/ExportCsv.php
index af9066b73c..e79c8d0dbf 100644
--- a/libraries/classes/Plugins/Export/ExportCsv.php
+++ b/libraries/classes/Plugins/Export/ExportCsv.php
@@ -106,11 +106,11 @@ class ExportCsv extends ExportPlugin
      */
     public function exportHeader(): bool
     {
-        $GLOBALS['what'] = $GLOBALS['what'] ?? null;
-        $GLOBALS['csv_terminated'] = $GLOBALS['csv_terminated'] ?? null;
-        $GLOBALS['csv_separator'] = $GLOBALS['csv_separator'] ?? null;
-        $GLOBALS['csv_enclosed'] = $GLOBALS['csv_enclosed'] ?? null;
-        $GLOBALS['csv_escaped'] = $GLOBALS['csv_escaped'] ?? null;
+        $GLOBALS['what'] ??= null;
+        $GLOBALS['csv_terminated'] ??= null;
+        $GLOBALS['csv_separator'] ??= null;
+        $GLOBALS['csv_enclosed'] ??= null;
+        $GLOBALS['csv_escaped'] ??= null;
 
         // Here we just prepare some values for export
         if ($GLOBALS['what'] === 'excel') {
@@ -212,11 +212,11 @@ class ExportCsv extends ExportPlugin
         $sqlQuery,
         array $aliases = []
     ): bool {
-        $GLOBALS['what'] = $GLOBALS['what'] ?? null;
-        $GLOBALS['csv_terminated'] = $GLOBALS['csv_terminated'] ?? null;
-        $GLOBALS['csv_separator'] = $GLOBALS['csv_separator'] ?? '';
-        $GLOBALS['csv_enclosed'] = $GLOBALS['csv_enclosed'] ?? null;
-        $GLOBALS['csv_escaped'] = $GLOBALS['csv_escaped'] ?? null;
+        $GLOBALS['what'] ??= null;
+        $GLOBALS['csv_terminated'] ??= null;
+        $GLOBALS['csv_separator'] ??= '';
+        $GLOBALS['csv_enclosed'] ??= null;
+        $GLOBALS['csv_escaped'] ??= null;
 
         $db_alias = $db;
         $table_alias = $table;
diff --git a/libraries/classes/Plugins/Export/ExportHtmlword.php b/libraries/classes/Plugins/Export/ExportHtmlword.php
index 184d99ccd3..14e53f53d1 100644
--- a/libraries/classes/Plugins/Export/ExportHtmlword.php
+++ b/libraries/classes/Plugins/Export/ExportHtmlword.php
@@ -101,7 +101,7 @@ class ExportHtmlword extends ExportPlugin
      */
     public function exportHeader(): bool
     {
-        $GLOBALS['charset'] = $GLOBALS['charset'] ?? null;
+        $GLOBALS['charset'] ??= null;
 
         return $this->export->outputHandler(
             '<html xmlns:o="urn:schemas-microsoft-com:office:office"
@@ -182,7 +182,7 @@ class ExportHtmlword extends ExportPlugin
         $sqlQuery,
         array $aliases = []
     ): bool {
-        $GLOBALS['what'] = $GLOBALS['what'] ?? null;
+        $GLOBALS['what'] ??= null;
 
         $db_alias = $db;
         $table_alias = $table;
diff --git a/libraries/classes/Plugins/Export/ExportLatex.php b/libraries/classes/Plugins/Export/ExportLatex.php
index a21e54d4a4..e962c4892b 100644
--- a/libraries/classes/Plugins/Export/ExportLatex.php
+++ b/libraries/classes/Plugins/Export/ExportLatex.php
@@ -56,7 +56,7 @@ class ExportLatex extends ExportPlugin
 
     protected function setProperties(): ExportPluginProperties
     {
-        $GLOBALS['plugin_param'] = $GLOBALS['plugin_param'] ?? null;
+        $GLOBALS['plugin_param'] ??= null;
 
         $hide_structure = false;
         if ($GLOBALS['plugin_param']['export_type'] === 'table' && ! $GLOBALS['plugin_param']['single_table']) {
diff --git a/libraries/classes/Plugins/Export/ExportOds.php b/libraries/classes/Plugins/Export/ExportOds.php
index 1feb8b8c6c..64a4ac07fa 100644
--- a/libraries/classes/Plugins/Export/ExportOds.php
+++ b/libraries/classes/Plugins/Export/ExportOds.php
@@ -199,7 +199,7 @@ class ExportOds extends ExportPlugin
         $sqlQuery,
         array $aliases = []
     ): bool {
-        $GLOBALS['what'] = $GLOBALS['what'] ?? null;
+        $GLOBALS['what'] ??= null;
 
         $db_alias = $db;
         $table_alias = $table;
diff --git a/libraries/classes/Plugins/Export/ExportOdt.php b/libraries/classes/Plugins/Export/ExportOdt.php
index 56edb58886..eba4677aee 100644
--- a/libraries/classes/Plugins/Export/ExportOdt.php
+++ b/libraries/classes/Plugins/Export/ExportOdt.php
@@ -46,7 +46,7 @@ class ExportOdt extends ExportPlugin
 
     protected function setProperties(): ExportPluginProperties
     {
-        $GLOBALS['plugin_param'] = $GLOBALS['plugin_param'] ?? null;
+        $GLOBALS['plugin_param'] ??= null;
 
         $hide_structure = false;
         if ($GLOBALS['plugin_param']['export_type'] === 'table' && ! $GLOBALS['plugin_param']['single_table']) {
@@ -228,7 +228,7 @@ class ExportOdt extends ExportPlugin
         $sqlQuery,
         array $aliases = []
     ): bool {
-        $GLOBALS['what'] = $GLOBALS['what'] ?? null;
+        $GLOBALS['what'] ??= null;
 
         $db_alias = $db;
         $table_alias = $table;
diff --git a/libraries/classes/Plugins/Export/ExportSql.php b/libraries/classes/Plugins/Export/ExportSql.php
index 1a84f754df..ab1d7724ee 100644
--- a/libraries/classes/Plugins/Export/ExportSql.php
+++ b/libraries/classes/Plugins/Export/ExportSql.php
@@ -73,7 +73,7 @@ class ExportSql extends ExportPlugin
 
     protected function init(): void
     {
-        $GLOBALS['sql_backquotes'] = $GLOBALS['sql_backquotes'] ?? null;
+        $GLOBALS['sql_backquotes'] ??= null;
     }
 
     /**
@@ -86,7 +86,7 @@ class ExportSql extends ExportPlugin
 
     protected function setProperties(): ExportPluginProperties
     {
-        $GLOBALS['plugin_param'] = $GLOBALS['plugin_param'] ?? null;
+        $GLOBALS['plugin_param'] ??= null;
 
         $hideSql = false;
         $hideStructure = false;
@@ -1355,14 +1355,14 @@ class ExportSql extends ExportPlugin
         $updateIndexesIncrements = true,
         array $aliases = []
     ): string {
-        $GLOBALS['sql_drop_table'] = $GLOBALS['sql_drop_table'] ?? null;
-        $GLOBALS['sql_backquotes'] = $GLOBALS['sql_backquotes'] ?? null;
-        $GLOBALS['sql_constraints'] = $GLOBALS['sql_constraints'] ?? null;
-        $GLOBALS['sql_constraints_query'] = $GLOBALS['sql_constraints_query'] ?? null;
-        $GLOBALS['sql_indexes'] = $GLOBALS['sql_indexes'] ?? null;
-        $GLOBALS['sql_indexes_query'] = $GLOBALS['sql_indexes_query'] ?? null;
-        $GLOBALS['sql_auto_increments'] = $GLOBALS['sql_auto_increments'] ?? null;
-        $GLOBALS['sql_drop_foreign_keys'] = $GLOBALS['sql_drop_foreign_keys'] ?? null;
+        $GLOBALS['sql_drop_table'] ??= null;
+        $GLOBALS['sql_backquotes'] ??= null;
+        $GLOBALS['sql_constraints'] ??= null;
+        $GLOBALS['sql_constraints_query'] ??= null;
+        $GLOBALS['sql_indexes'] ??= null;
+        $GLOBALS['sql_indexes_query'] ??= null;
+        $GLOBALS['sql_auto_increments'] ??= null;
+        $GLOBALS['sql_drop_foreign_keys'] ??= null;
 
         $dbAlias = $db;
         $tableAlias = $table;
@@ -1766,7 +1766,7 @@ class ExportSql extends ExportPlugin
         bool $doMime = false,
         array $aliases = []
     ): string {
-        $GLOBALS['sql_backquotes'] = $GLOBALS['sql_backquotes'] ?? null;
+        $GLOBALS['sql_backquotes'] ??= null;
 
         $dbAlias = $db;
         $tableAlias = $table;
@@ -2068,7 +2068,7 @@ class ExportSql extends ExportPlugin
         $sqlQuery,
         array $aliases = []
     ): bool {
-        $GLOBALS['sql_backquotes'] = $GLOBALS['sql_backquotes'] ?? null;
+        $GLOBALS['sql_backquotes'] ??= null;
 
         // Do not export data for merge tables
         if ($GLOBALS['dbi']->getTable($db, $table)->isMerge()) {
diff --git a/libraries/classes/Plugins/Export/ExportTexytext.php b/libraries/classes/Plugins/Export/ExportTexytext.php
index 3161ab60fc..6650d4390c 100644
--- a/libraries/classes/Plugins/Export/ExportTexytext.php
+++ b/libraries/classes/Plugins/Export/ExportTexytext.php
@@ -166,7 +166,7 @@ class ExportTexytext extends ExportPlugin
         $sqlQuery,
         array $aliases = []
     ): bool {
-        $GLOBALS['what'] = $GLOBALS['what'] ?? null;
+        $GLOBALS['what'] ??= null;
 
         $db_alias = $db;
         $table_alias = $table;
diff --git a/libraries/classes/Plugins/Export/ExportXml.php b/libraries/classes/Plugins/Export/ExportXml.php
index 9fc9864253..9ecf22c3ed 100644
--- a/libraries/classes/Plugins/Export/ExportXml.php
+++ b/libraries/classes/Plugins/Export/ExportXml.php
@@ -61,7 +61,7 @@ class ExportXml extends ExportPlugin
      */
     private function initSpecificVariables(): void
     {
-        $GLOBALS['tables'] = $GLOBALS['tables'] ?? null;
+        $GLOBALS['tables'] ??= null;
 
         $this->setTable($GLOBALS['table']);
         if (! is_array($GLOBALS['tables'])) {
diff --git a/libraries/classes/Plugins/Export/Helpers/Pdf.php b/libraries/classes/Plugins/Export/Helpers/Pdf.php
index 704bc9e416..3270a733f8 100644
--- a/libraries/classes/Plugins/Export/Helpers/Pdf.php
+++ b/libraries/classes/Plugins/Export/Helpers/Pdf.php
@@ -160,7 +160,7 @@ class Pdf extends PdfLib
     // phpcs:ignore PSR1.Methods.CamelCapsMethodName.NotCamelCaps
     public function Header(): void
     {
-        $GLOBALS['maxY'] = $GLOBALS['maxY'] ?? null;
+        $GLOBALS['maxY'] ??= null;
 
         // We don't want automatic page breaks while generating header
         // as this can lead to infinite recursion as auto generated page
diff --git a/libraries/classes/Plugins/Import/ImportCsv.php b/libraries/classes/Plugins/Import/ImportCsv.php
index d1a43fe911..db7b3a0411 100644
--- a/libraries/classes/Plugins/Import/ImportCsv.php
+++ b/libraries/classes/Plugins/Import/ImportCsv.php
@@ -158,20 +158,20 @@ class ImportCsv extends AbstractImportCsv
      */
     public function doImport(?File $importHandle = null): array
     {
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
-        $GLOBALS['csv_terminated'] = $GLOBALS['csv_terminated'] ?? null;
-        $GLOBALS['csv_enclosed'] = $GLOBALS['csv_enclosed'] ?? null;
-        $GLOBALS['csv_escaped'] = $GLOBALS['csv_escaped'] ?? null;
-        $GLOBALS['csv_new_line'] = $GLOBALS['csv_new_line'] ?? null;
-        $GLOBALS['csv_columns'] = $GLOBALS['csv_columns'] ?? null;
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['message'] ??= null;
+        $GLOBALS['csv_terminated'] ??= null;
+        $GLOBALS['csv_enclosed'] ??= null;
+        $GLOBALS['csv_escaped'] ??= null;
+        $GLOBALS['csv_new_line'] ??= null;
+        $GLOBALS['csv_columns'] ??= null;
+        $GLOBALS['errorUrl'] ??= null;
 
         // $csv_replace and $csv_ignore should have been here,
         // but we use directly from $_POST
 
-        $GLOBALS['timeout_passed'] = $GLOBALS['timeout_passed'] ?? null;
-        $GLOBALS['finished'] = $GLOBALS['finished'] ?? null;
+        $GLOBALS['timeout_passed'] ??= null;
+        $GLOBALS['finished'] ??= null;
 
         $replacements = [
             '\\n' => "\n",
@@ -656,8 +656,8 @@ class ImportCsv extends AbstractImportCsv
         string $csvNewLine,
         string $errUrl
     ): array {
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['message'] ??= null;
 
         $param_error = false;
         if (strlen($csvTerminated) === 0) {
@@ -718,7 +718,7 @@ class ImportCsv extends AbstractImportCsv
 
     private function getTableNameFromImport(string $databaseName): string
     {
-        $GLOBALS['import_file_name'] = $GLOBALS['import_file_name'] ?? null;
+        $GLOBALS['import_file_name'] ??= null;
 
         $importFileName = basename($GLOBALS['import_file_name'], '.csv');
         $importFileName = mb_strtolower($importFileName);
@@ -783,8 +783,8 @@ class ImportCsv extends AbstractImportCsv
         ?string $table,
         ?string $csvColumns
     ): array {
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['message'] ??= null;
 
         $requiredFields = 0;
         $sqlTemplate = '';
diff --git a/libraries/classes/Plugins/Import/ImportLdi.php b/libraries/classes/Plugins/Import/ImportLdi.php
index fc8976222f..4920c3bb15 100644
--- a/libraries/classes/Plugins/Import/ImportLdi.php
+++ b/libraries/classes/Plugins/Import/ImportLdi.php
@@ -91,18 +91,18 @@ class ImportLdi extends AbstractImportCsv
      */
     public function doImport(?File $importHandle = null): array
     {
-        $GLOBALS['finished'] = $GLOBALS['finished'] ?? null;
-        $GLOBALS['import_file'] = $GLOBALS['import_file'] ?? null;
-        $GLOBALS['charset_conversion'] = $GLOBALS['charset_conversion'] ?? null;
-        $GLOBALS['ldi_local_option'] = $GLOBALS['ldi_local_option'] ?? null;
-        $GLOBALS['ldi_replace'] = $GLOBALS['ldi_replace'] ?? null;
-        $GLOBALS['ldi_ignore'] = $GLOBALS['ldi_ignore'] ?? null;
-        $GLOBALS['ldi_terminated'] = $GLOBALS['ldi_terminated'] ?? null;
-        $GLOBALS['ldi_enclosed'] = $GLOBALS['ldi_enclosed'] ?? null;
-        $GLOBALS['ldi_escaped'] = $GLOBALS['ldi_escaped'] ?? null;
-        $GLOBALS['ldi_new_line'] = $GLOBALS['ldi_new_line'] ?? null;
-        $GLOBALS['skip_queries'] = $GLOBALS['skip_queries'] ?? null;
-        $GLOBALS['ldi_columns'] = $GLOBALS['ldi_columns'] ?? null;
+        $GLOBALS['finished'] ??= null;
+        $GLOBALS['import_file'] ??= null;
+        $GLOBALS['charset_conversion'] ??= null;
+        $GLOBALS['ldi_local_option'] ??= null;
+        $GLOBALS['ldi_replace'] ??= null;
+        $GLOBALS['ldi_ignore'] ??= null;
+        $GLOBALS['ldi_terminated'] ??= null;
+        $GLOBALS['ldi_enclosed'] ??= null;
+        $GLOBALS['ldi_escaped'] ??= null;
+        $GLOBALS['ldi_new_line'] ??= null;
+        $GLOBALS['skip_queries'] ??= null;
+        $GLOBALS['ldi_columns'] ??= null;
 
         $sqlStatements = [];
         $compression = '';
diff --git a/libraries/classes/Plugins/Import/ImportMediawiki.php b/libraries/classes/Plugins/Import/ImportMediawiki.php
index 0e97f72b25..fcd3850f51 100644
--- a/libraries/classes/Plugins/Import/ImportMediawiki.php
+++ b/libraries/classes/Plugins/Import/ImportMediawiki.php
@@ -68,9 +68,9 @@ class ImportMediawiki extends ImportPlugin
      */
     public function doImport(?File $importHandle = null): array
     {
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['timeout_passed'] = $GLOBALS['timeout_passed'] ?? null;
-        $GLOBALS['finished'] = $GLOBALS['finished'] ?? null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['timeout_passed'] ??= null;
+        $GLOBALS['finished'] ??= null;
 
         $sqlStatements = [];
 
diff --git a/libraries/classes/Plugins/Import/ImportOds.php b/libraries/classes/Plugins/Import/ImportOds.php
index 3720e39f74..cfea5b95e5 100644
--- a/libraries/classes/Plugins/Import/ImportOds.php
+++ b/libraries/classes/Plugins/Import/ImportOds.php
@@ -101,9 +101,9 @@ class ImportOds extends ImportPlugin
      */
     public function doImport(?File $importHandle = null): array
     {
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['timeout_passed'] = $GLOBALS['timeout_passed'] ?? null;
-        $GLOBALS['finished'] = $GLOBALS['finished'] ?? null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['timeout_passed'] ??= null;
+        $GLOBALS['finished'] ??= null;
 
         $sqlStatements = [];
         $buffer = '';
diff --git a/libraries/classes/Plugins/Import/ImportShp.php b/libraries/classes/Plugins/Import/ImportShp.php
index 784fac580f..86d754c0e4 100644
--- a/libraries/classes/Plugins/Import/ImportShp.php
+++ b/libraries/classes/Plugins/Import/ImportShp.php
@@ -79,10 +79,10 @@ class ImportShp extends ImportPlugin
      */
     public function doImport(?File $importHandle = null): array
     {
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['import_file'] = $GLOBALS['import_file'] ?? null;
-        $GLOBALS['local_import_file'] = $GLOBALS['local_import_file'] ?? null;
-        $GLOBALS['message'] = $GLOBALS['message'] ?? null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['import_file'] ??= null;
+        $GLOBALS['local_import_file'] ??= null;
+        $GLOBALS['message'] ??= null;
         $GLOBALS['finished'] = false;
 
         if ($importHandle === null || $this->zipExtension === null) {
@@ -325,9 +325,9 @@ class ImportShp extends ImportPlugin
      */
     public static function readFromBuffer($length)
     {
-        $GLOBALS['buffer'] = $GLOBALS['buffer'] ?? null;
-        $GLOBALS['eof'] = $GLOBALS['eof'] ?? null;
-        $GLOBALS['importHandle'] = $GLOBALS['importHandle'] ?? null;
+        $GLOBALS['buffer'] ??= null;
+        $GLOBALS['eof'] ??= null;
+        $GLOBALS['importHandle'] ??= null;
 
         $import = new Import();
 
diff --git a/libraries/classes/Plugins/Import/ImportSql.php b/libraries/classes/Plugins/Import/ImportSql.php
index f8eac7d0d1..a70db69dfc 100644
--- a/libraries/classes/Plugins/Import/ImportSql.php
+++ b/libraries/classes/Plugins/Import/ImportSql.php
@@ -98,8 +98,8 @@ class ImportSql extends ImportPlugin
      */
     public function doImport(?File $importHandle = null): array
     {
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['timeout_passed'] = $GLOBALS['timeout_passed'] ?? null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['timeout_passed'] ??= null;
 
         // Handle compatibility options.
         $this->setSQLMode($GLOBALS['dbi'], $_REQUEST);
diff --git a/libraries/classes/Plugins/Import/ImportXml.php b/libraries/classes/Plugins/Import/ImportXml.php
index 20995b6fa3..48a94e62e4 100644
--- a/libraries/classes/Plugins/Import/ImportXml.php
+++ b/libraries/classes/Plugins/Import/ImportXml.php
@@ -58,9 +58,9 @@ class ImportXml extends ImportPlugin
      */
     public function doImport(?File $importHandle = null): array
     {
-        $GLOBALS['error'] = $GLOBALS['error'] ?? null;
-        $GLOBALS['timeout_passed'] = $GLOBALS['timeout_passed'] ?? null;
-        $GLOBALS['finished'] = $GLOBALS['finished'] ?? null;
+        $GLOBALS['error'] ??= null;
+        $GLOBALS['timeout_passed'] ??= null;
+        $GLOBALS['finished'] ??= null;
 
         $buffer = '';
 
diff --git a/libraries/classes/Plugins/Import/ShapeFileImport.php b/libraries/classes/Plugins/Import/ShapeFileImport.php
index 926d3b2a94..6bce5f84a9 100644
--- a/libraries/classes/Plugins/Import/ShapeFileImport.php
+++ b/libraries/classes/Plugins/Import/ShapeFileImport.php
@@ -30,7 +30,7 @@ class ShapeFileImport extends ShapeFile
      */
     public function eofSHP(): bool
     {
-        $GLOBALS['eof'] = $GLOBALS['eof'] ?? null;
+        $GLOBALS['eof'] ??= null;
 
         return (bool) $GLOBALS['eof'];
     }
diff --git a/libraries/classes/Plugins/Import/Upload/UploadNoplugin.php b/libraries/classes/Plugins/Import/Upload/UploadNoplugin.php
index c0ebfa35d6..258a398d0c 100644
--- a/libraries/classes/Plugins/Import/Upload/UploadNoplugin.php
+++ b/libraries/classes/Plugins/Import/Upload/UploadNoplugin.php
@@ -39,7 +39,7 @@ class UploadNoplugin implements UploadInterface
      */
     public static function getUploadStatus($id)
     {
-        $GLOBALS['SESSION_KEY'] = $GLOBALS['SESSION_KEY'] ?? null;
+        $GLOBALS['SESSION_KEY'] ??= null;
 
         if (trim($id) == '') {
             return null;
diff --git a/libraries/classes/Plugins/Import/Upload/UploadProgress.php b/libraries/classes/Plugins/Import/Upload/UploadProgress.php
index 5369092043..5bd45697d3 100644
--- a/libraries/classes/Plugins/Import/Upload/UploadProgress.php
+++ b/libraries/classes/Plugins/Import/Upload/UploadProgress.php
@@ -40,7 +40,7 @@ class UploadProgress implements UploadInterface
      */
     public static function getUploadStatus($id)
     {
-        $GLOBALS['SESSION_KEY'] = $GLOBALS['SESSION_KEY'] ?? null;
+        $GLOBALS['SESSION_KEY'] ??= null;
 
         if (trim($id) == '') {
             return null;
diff --git a/libraries/classes/Plugins/Import/Upload/UploadSession.php b/libraries/classes/Plugins/Import/Upload/UploadSession.php
index ec576b18e6..4a7cef3514 100644
--- a/libraries/classes/Plugins/Import/Upload/UploadSession.php
+++ b/libraries/classes/Plugins/Import/Upload/UploadSession.php
@@ -40,7 +40,7 @@ class UploadSession implements UploadInterface
      */
     public static function getUploadStatus($id)
     {
-        $GLOBALS['SESSION_KEY'] = $GLOBALS['SESSION_KEY'] ?? null;
+        $GLOBALS['SESSION_KEY'] ??= null;
 
         if (trim($id) == '') {
             return null;
diff --git a/libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php b/libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php
index c9fc066068..56b4cb9c1b 100644
--- a/libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php
+++ b/libraries/classes/Plugins/Transformations/Abs/DownloadTransformationsPlugin.php
@@ -45,8 +45,8 @@ abstract class DownloadTransformationsPlugin extends TransformationsPlugin
      */
     public function applyTransformation($buffer, array $options = [], ?FieldMetadata $meta = null)
     {
-        $GLOBALS['row'] = $GLOBALS['row'] ?? null;
-        $GLOBALS['fields_meta'] = $GLOBALS['fields_meta'] ?? null;
+        $GLOBALS['row'] ??= null;
+        $GLOBALS['fields_meta'] ??= null;
 
         if (isset($options[0]) && ! empty($options[0])) {
             $cn = $options[0]; // filename
diff --git a/libraries/classes/Plugins/TwoFactorPlugin.php b/libraries/classes/Plugins/TwoFactorPlugin.php
index 50a5f35321..3317859bf0 100644
--- a/libraries/classes/Plugins/TwoFactorPlugin.php
+++ b/libraries/classes/Plugins/TwoFactorPlugin.php
@@ -148,7 +148,7 @@ class TwoFactorPlugin
      */
     public function getAppId($return_url)
     {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         $url = $GLOBALS['config']->get('PmaAbsoluteUri');
         $parsed = [];
diff --git a/libraries/classes/ReplicationInfo.php b/libraries/classes/ReplicationInfo.php
index 991f7b7cfd..774e3c243a 100644
--- a/libraries/classes/ReplicationInfo.php
+++ b/libraries/classes/ReplicationInfo.php
@@ -79,7 +79,7 @@ final class ReplicationInfo
 
     public function load(?string $connection = null): void
     {
-        $GLOBALS['urlParams'] = $GLOBALS['urlParams'] ?? null;
+        $GLOBALS['urlParams'] ??= null;
 
         $this->setPrimaryStatus();
 
diff --git a/libraries/classes/Server/Privileges.php b/libraries/classes/Server/Privileges.php
index c2c038318e..bf5836df6e 100644
--- a/libraries/classes/Server/Privileges.php
+++ b/libraries/classes/Server/Privileges.php
@@ -570,7 +570,7 @@ class Privileges
      */
     public function setUserGroup($username, $userGroup): void
     {
-        $userGroup = $userGroup ?? '';
+        $userGroup ??= '';
         $configurableMenusFeature = $this->relation->getRelationParameters()->configurableMenusFeature;
         if ($configurableMenusFeature === null) {
             return;
@@ -748,11 +748,11 @@ class Privileges
         ?string $user = null,
         ?string $host = null
     ): string {
-        $GLOBALS['pred_username'] = $GLOBALS['pred_username'] ?? null;
-        $GLOBALS['pred_hostname'] = $GLOBALS['pred_hostname'] ?? null;
-        $GLOBALS['username'] = $GLOBALS['username'] ?? null;
-        $GLOBALS['hostname'] = $GLOBALS['hostname'] ?? null;
-        $GLOBALS['new_username'] = $GLOBALS['new_username'] ?? null;
+        $GLOBALS['pred_username'] ??= null;
+        $GLOBALS['pred_hostname'] ??= null;
+        $GLOBALS['username'] ??= null;
+        $GLOBALS['hostname'] ??= null;
+        $GLOBALS['new_username'] ??= null;
 
         [$usernameLength, $hostnameLength] = $this->getUsernameAndHostnameLength();
 
@@ -1245,10 +1245,10 @@ class Privileges
         $privileges = [];
         foreach ($allPrivileges as $privilege) {
             $userHost = $privilege['User'] . '@' . $privilege['Host'];
-            $privileges[$userHost] = $privileges[$userHost] ?? [];
+            $privileges[$userHost] ??= [];
             $privileges[$userHost]['user'] = (string) $privilege['User'];
             $privileges[$userHost]['host'] = (string) $privilege['Host'];
-            $privileges[$userHost]['privileges'] = $privileges[$userHost]['privileges'] ?? [];
+            $privileges[$userHost]['privileges'] ??= [];
             $privileges[$userHost]['privileges'][] = $this->getSpecificPrivilege($privilege);
         }
 
diff --git a/libraries/classes/Server/Status/Monitor.php b/libraries/classes/Server/Status/Monitor.php
index 94d41a5f26..4d378b7168 100644
--- a/libraries/classes/Server/Status/Monitor.php
+++ b/libraries/classes/Server/Status/Monitor.php
@@ -506,7 +506,7 @@ class Monitor
         string $database,
         string $query
     ): array {
-        $GLOBALS['cached_affected_rows'] = $GLOBALS['cached_affected_rows'] ?? null;
+        $GLOBALS['cached_affected_rows'] ??= null;
 
         $return = [];
 
diff --git a/libraries/classes/Sql.php b/libraries/classes/Sql.php
index e7cd72334a..04cb3299fc 100644
--- a/libraries/classes/Sql.php
+++ b/libraries/classes/Sql.php
@@ -1356,7 +1356,7 @@ class Sql
         $sqlQuery,
         ?string $completeQuery
     ): string {
-        $GLOBALS['showtable'] = $GLOBALS['showtable'] ?? null;
+        $GLOBALS['showtable'] ??= null;
 
         // If we are retrieving the full value of a truncated field or the original
         // value of a transformed field, show it here
diff --git a/libraries/classes/Table.php b/libraries/classes/Table.php
index 28628c6dc6..517788fd85 100644
--- a/libraries/classes/Table.php
+++ b/libraries/classes/Table.php
@@ -929,7 +929,7 @@ class Table implements Stringable
         $mode,
         bool $addDropIfExists
     ): bool {
-        $GLOBALS['errorUrl'] = $GLOBALS['errorUrl'] ?? null;
+        $GLOBALS['errorUrl'] ??= null;
         $relation = new Relation($GLOBALS['dbi']);
 
         // Try moving the tables directly, using native `RENAME` statement.
diff --git a/libraries/classes/Table/ColumnsDefinition.php b/libraries/classes/Table/ColumnsDefinition.php
index 07143359f4..bb430e014a 100644
--- a/libraries/classes/Table/ColumnsDefinition.php
+++ b/libraries/classes/Table/ColumnsDefinition.php
@@ -65,9 +65,9 @@ final class ColumnsDefinition
         ?array $selected = null,
         $fields_meta = null
     ): array {
-        $GLOBALS['col_priv'] = $GLOBALS['col_priv'] ?? null;
-        $GLOBALS['is_reload_priv'] = $GLOBALS['is_reload_priv'] ?? null;
-        $GLOBALS['mime_map'] = $GLOBALS['mime_map'] ?? null;
+        $GLOBALS['col_priv'] ??= null;
+        $GLOBALS['is_reload_priv'] ??= null;
+        $GLOBALS['mime_map'] ??= null;
 
         $length_values_input_size = 8;
         $content_cells = [];
diff --git a/libraries/classes/ThemeManager.php b/libraries/classes/ThemeManager.php
index c05f335701..4fac41365b 100644
--- a/libraries/classes/ThemeManager.php
+++ b/libraries/classes/ThemeManager.php
@@ -178,7 +178,7 @@ class ThemeManager
      */
     public function getThemeCookie(): string|false
     {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         $name = $this->getThemeCookieName();
         if ($GLOBALS['config']->issetCookie($name)) {
diff --git a/libraries/classes/Tracker.php b/libraries/classes/Tracker.php
index 5f4f0db63c..ba1e6178ac 100644
--- a/libraries/classes/Tracker.php
+++ b/libraries/classes/Tracker.php
@@ -184,8 +184,8 @@ class Tracker
         $trackingSet = '',
         bool $isView = false
     ): bool {
-        $GLOBALS['sql_backquotes'] = $GLOBALS['sql_backquotes'] ?? null;
-        $GLOBALS['export_type'] = $GLOBALS['export_type'] ?? null;
+        $GLOBALS['sql_backquotes'] ??= null;
+        $GLOBALS['export_type'] ??= null;
         $relation = new Relation($GLOBALS['dbi']);
 
         if ($trackingSet == '') {
diff --git a/libraries/classes/Twig/AssetExtension.php b/libraries/classes/Twig/AssetExtension.php
index 792f7e9635..ae8a26b873 100644
--- a/libraries/classes/Twig/AssetExtension.php
+++ b/libraries/classes/Twig/AssetExtension.php
@@ -22,7 +22,7 @@ final class AssetExtension extends AbstractExtension
 
     public function getImagePath(?string $filename = null, ?string $fallback = null): string
     {
-        $GLOBALS['theme'] = $GLOBALS['theme'] ?? null;
+        $GLOBALS['theme'] ??= null;
 
         if (! $GLOBALS['theme'] instanceof Theme) {
             return '';
diff --git a/libraries/classes/Url.php b/libraries/classes/Url.php
index 7edafc61a4..fb08f3bb8e 100644
--- a/libraries/classes/Url.php
+++ b/libraries/classes/Url.php
@@ -47,7 +47,7 @@ class Url
         $indent = 0,
         $skip = []
     ) {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         if (is_array($db)) {
             $params =& $db;
@@ -211,7 +211,7 @@ class Url
      */
     public static function getCommonRaw(array $params = [], $divider = '?', $encrypt = true)
     {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         // avoid overwriting when creating navigation panel links to servers
         if (
@@ -247,7 +247,7 @@ class Url
      */
     public static function buildHttpQuery($params, $encrypt = true)
     {
-        $GLOBALS['config'] = $GLOBALS['config'] ?? null;
+        $GLOBALS['config'] ??= null;
 
         $separator = self::getArgSeparator();
 
diff --git a/libraries/classes/Utils/SessionCache.php b/libraries/classes/Utils/SessionCache.php
index 4a408f2a97..1fae79b179 100644
--- a/libraries/classes/Utils/SessionCache.php
+++ b/libraries/classes/Utils/SessionCache.php
@@ -8,7 +8,7 @@ final class SessionCache
 {
     private static function key(): string
     {
-        $GLOBALS['server'] = $GLOBALS['server'] ?? null;
+        $GLOBALS['server'] ??= null;
         $key = 'server_' . $GLOBALS['server'];
 
         if (isset($GLOBALS['cfg']['Server']['user'])) {
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 5a46ff086f..2e93181101 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -48,9 +48,6 @@
     <rule ref="SlevomatCodingStandard.Commenting.RequireOneLineDocComment.MultiLineDocComment">
         <severity>4</severity>
     </rule>
-    <rule ref="SlevomatCodingStandard.ControlStructures.RequireNullCoalesceEqualOperator.RequiredNullCoalesceEqualOperator">
-        <severity>4</severity>
-    </rule>
     <rule ref="SlevomatCodingStandard.ControlStructures.RequireNullSafeObjectOperator.RequiredNullSafeObjectOperator">
         <severity>4</severity>
     </rule>
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 32cd675c60..d6ea004206 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -7951,7 +7951,7 @@ parameters:
 			path: libraries/classes/Server/Privileges.php
 
 		-
-			message: "#^Variable \\$userGroup on left side of \\?\\? always exists and is not nullable\\.$#"
+			message: "#^Variable \\$userGroup on left side of \\?\\?\\= always exists and is not nullable\\.$#"
 			count: 1
 			path: libraries/classes/Server/Privileges.php
 
diff --git a/test/classes/Stubs/ResponseRenderer.php b/test/classes/Stubs/ResponseRenderer.php
index 3703ba705c..9239864c29 100644
--- a/test/classes/Stubs/ResponseRenderer.php
+++ b/test/classes/Stubs/ResponseRenderer.php
@@ -49,9 +49,9 @@ class ResponseRenderer extends \PhpMyAdmin\ResponseRenderer
         $this->isDisabled = false;
 
         $GLOBALS['lang'] = 'en';
-        $GLOBALS['server'] = $GLOBALS['server'] ?? 1;
-        $GLOBALS['text_dir'] = $GLOBALS['text_dir'] ?? 'ltr';
-        $GLOBALS['PMA_PHP_SELF'] = $GLOBALS['PMA_PHP_SELF'] ?? 'index.php';
+        $GLOBALS['server'] ??= 1;
+        $GLOBALS['text_dir'] ??= 'ltr';
+        $GLOBALS['PMA_PHP_SELF'] ??= 'index.php';
         $this->header = new Header();
         $this->footer = new Footer();
     }