diff --git a/includes/ConfigNames.php b/includes/ConfigNames.php
index 48370c99d5..3a3d97e8b2 100644
--- a/includes/ConfigNames.php
+++ b/includes/ConfigNames.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 // phpcs:disable Generic.NamingConventions.UpperCaseConstantName.ClassConstantNotUpperCase
 namespace Miraheze\CreateWiki;
 
diff --git a/includes/CreateWikiOOUIForm.php b/includes/CreateWikiOOUIForm.php
index ec94401599..a5dead2326 100644
--- a/includes/CreateWikiOOUIForm.php
+++ b/includes/CreateWikiOOUIForm.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki;
 
 use MediaWiki\HTMLForm\OOUIHTMLForm;
diff --git a/includes/CreateWikiRegexConstraint.php b/includes/CreateWikiRegexConstraint.php
index 29a6ae37f5..5b6f101c82 100644
--- a/includes/CreateWikiRegexConstraint.php
+++ b/includes/CreateWikiRegexConstraint.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki;
 
 use MediaWiki\Logger\LoggerFactory;
diff --git a/includes/Exceptions/ErrorBase.php b/includes/Exceptions/ErrorBase.php
index 64784c7f7c..c150269186 100644
--- a/includes/Exceptions/ErrorBase.php
+++ b/includes/Exceptions/ErrorBase.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Exceptions;
 
 use MediaWiki\Exception\ErrorPageError;
diff --git a/includes/Exceptions/MissingWikiError.php b/includes/Exceptions/MissingWikiError.php
index 208f321cca..d1f204ee70 100644
--- a/includes/Exceptions/MissingWikiError.php
+++ b/includes/Exceptions/MissingWikiError.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Exceptions;
 
 class MissingWikiError extends ErrorBase {
diff --git a/includes/Exceptions/UnknownRequestError.php b/includes/Exceptions/UnknownRequestError.php
index 33f18a05b5..e8f3466341 100644
--- a/includes/Exceptions/UnknownRequestError.php
+++ b/includes/Exceptions/UnknownRequestError.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Exceptions;
 
 class UnknownRequestError extends ErrorBase {
diff --git a/includes/Helpers/ManageWikiCoreModule.php b/includes/Helpers/ManageWikiCoreModule.php
index 2af85d1617..20c56e4677 100644
--- a/includes/Helpers/ManageWikiCoreModule.php
+++ b/includes/Helpers/ManageWikiCoreModule.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Helpers;
 
 use Miraheze\CreateWiki\ConfigNames;
diff --git a/includes/Helpers/RemoteWiki.php b/includes/Helpers/RemoteWiki.php
index 7710df6df1..5c203e3621 100644
--- a/includes/Helpers/RemoteWiki.php
+++ b/includes/Helpers/RemoteWiki.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Helpers;
 
 use MediaWiki\Config\ServiceOptions;
diff --git a/includes/Hooks/CreateWikiAfterCreationWithExtraDataHook.php b/includes/Hooks/CreateWikiAfterCreationWithExtraDataHook.php
index 662a42edf4..e399ccf139 100644
--- a/includes/Hooks/CreateWikiAfterCreationWithExtraDataHook.php
+++ b/includes/Hooks/CreateWikiAfterCreationWithExtraDataHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiAfterCreationWithExtraDataHook {
diff --git a/includes/Hooks/CreateWikiCreationExtraFieldsHook.php b/includes/Hooks/CreateWikiCreationExtraFieldsHook.php
index b7f608dc8f..34f17c6242 100644
--- a/includes/Hooks/CreateWikiCreationExtraFieldsHook.php
+++ b/includes/Hooks/CreateWikiCreationExtraFieldsHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiCreationExtraFieldsHook {
diff --git a/includes/Hooks/CreateWikiCreationHook.php b/includes/Hooks/CreateWikiCreationHook.php
index 22f382f1ef..cc8553aa95 100644
--- a/includes/Hooks/CreateWikiCreationHook.php
+++ b/includes/Hooks/CreateWikiCreationHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiCreationHook {
diff --git a/includes/Hooks/CreateWikiDeletionHook.php b/includes/Hooks/CreateWikiDeletionHook.php
index 1bae63d762..51d0b02d4c 100644
--- a/includes/Hooks/CreateWikiDeletionHook.php
+++ b/includes/Hooks/CreateWikiDeletionHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 use Wikimedia\Rdbms\DBConnRef;
diff --git a/includes/Hooks/CreateWikiGenerateDatabaseListsHook.php b/includes/Hooks/CreateWikiGenerateDatabaseListsHook.php
index 7f2f48e60f..428c851b6e 100644
--- a/includes/Hooks/CreateWikiGenerateDatabaseListsHook.php
+++ b/includes/Hooks/CreateWikiGenerateDatabaseListsHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiGenerateDatabaseListsHook {
diff --git a/includes/Hooks/CreateWikiHookRunner.php b/includes/Hooks/CreateWikiHookRunner.php
index 0a64804ebb..83c8955fd9 100644
--- a/includes/Hooks/CreateWikiHookRunner.php
+++ b/includes/Hooks/CreateWikiHookRunner.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 use MediaWiki\HookContainer\HookContainer;
diff --git a/includes/Hooks/CreateWikiReadPersistentModelHook.php b/includes/Hooks/CreateWikiReadPersistentModelHook.php
index 78c0e89a37..b9b36e41c0 100644
--- a/includes/Hooks/CreateWikiReadPersistentModelHook.php
+++ b/includes/Hooks/CreateWikiReadPersistentModelHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiReadPersistentModelHook {
diff --git a/includes/Hooks/CreateWikiRemoteWikiCommitHook.php b/includes/Hooks/CreateWikiRemoteWikiCommitHook.php
index 7b172dd6e1..b04c6a1f1a 100644
--- a/includes/Hooks/CreateWikiRemoteWikiCommitHook.php
+++ b/includes/Hooks/CreateWikiRemoteWikiCommitHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiRemoteWikiCommitHook {
diff --git a/includes/Hooks/CreateWikiRenameHook.php b/includes/Hooks/CreateWikiRenameHook.php
index eb0672bf0d..c7300255c9 100644
--- a/includes/Hooks/CreateWikiRenameHook.php
+++ b/includes/Hooks/CreateWikiRenameHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 use Wikimedia\Rdbms\DBConnRef;
diff --git a/includes/Hooks/CreateWikiStateClosedHook.php b/includes/Hooks/CreateWikiStateClosedHook.php
index 18bc9b9fd3..b4e87622b1 100644
--- a/includes/Hooks/CreateWikiStateClosedHook.php
+++ b/includes/Hooks/CreateWikiStateClosedHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiStateClosedHook {
diff --git a/includes/Hooks/CreateWikiStateOpenHook.php b/includes/Hooks/CreateWikiStateOpenHook.php
index 861c9db6ae..b2e779fa89 100644
--- a/includes/Hooks/CreateWikiStateOpenHook.php
+++ b/includes/Hooks/CreateWikiStateOpenHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiStateOpenHook {
diff --git a/includes/Hooks/CreateWikiStatePrivateHook.php b/includes/Hooks/CreateWikiStatePrivateHook.php
index ac59d15069..913cd111e0 100644
--- a/includes/Hooks/CreateWikiStatePrivateHook.php
+++ b/includes/Hooks/CreateWikiStatePrivateHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiStatePrivateHook {
diff --git a/includes/Hooks/CreateWikiStatePublicHook.php b/includes/Hooks/CreateWikiStatePublicHook.php
index b35de04533..b73fd0c7ad 100644
--- a/includes/Hooks/CreateWikiStatePublicHook.php
+++ b/includes/Hooks/CreateWikiStatePublicHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiStatePublicHook {
diff --git a/includes/Hooks/CreateWikiTablesHook.php b/includes/Hooks/CreateWikiTablesHook.php
index 2081078e8d..84ac29b10b 100644
--- a/includes/Hooks/CreateWikiTablesHook.php
+++ b/includes/Hooks/CreateWikiTablesHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiTablesHook {
diff --git a/includes/Hooks/CreateWikiWritePersistentModelHook.php b/includes/Hooks/CreateWikiWritePersistentModelHook.php
index 5482192bce..c6af8dc86c 100644
--- a/includes/Hooks/CreateWikiWritePersistentModelHook.php
+++ b/includes/Hooks/CreateWikiWritePersistentModelHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface CreateWikiWritePersistentModelHook {
diff --git a/includes/Hooks/Handlers/Installer.php b/includes/Hooks/Handlers/Installer.php
index 2fd97b2f0f..c72681a3bc 100644
--- a/includes/Hooks/Handlers/Installer.php
+++ b/includes/Hooks/Handlers/Installer.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks\Handlers;
 
 use MediaWiki\Installer\Hook\LoadExtensionSchemaUpdatesHook;
diff --git a/includes/Hooks/Handlers/Main.php b/includes/Hooks/Handlers/Main.php
index 807bb6edc2..cd85e54eb0 100644
--- a/includes/Hooks/Handlers/Main.php
+++ b/includes/Hooks/Handlers/Main.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks\Handlers;
 
 use MediaWiki\Block\Hook\GetAllBlockActionsHook;
diff --git a/includes/Hooks/Handlers/ManageWiki.php b/includes/Hooks/Handlers/ManageWiki.php
index 1f177179dd..1122a2b179 100644
--- a/includes/Hooks/Handlers/ManageWiki.php
+++ b/includes/Hooks/Handlers/ManageWiki.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks\Handlers;
 
 use MediaWiki\Config\Config;
diff --git a/includes/Hooks/Handlers/Notifications.php b/includes/Hooks/Handlers/Notifications.php
index 4cde98e3c5..40e964dc97 100644
--- a/includes/Hooks/Handlers/Notifications.php
+++ b/includes/Hooks/Handlers/Notifications.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks\Handlers;
 
 use MediaWiki\Extension\Notifications\AttributeManager;
diff --git a/includes/Hooks/RequestWikiFormDescriptorModifyHook.php b/includes/Hooks/RequestWikiFormDescriptorModifyHook.php
index c294b1ab9b..1870af1e12 100644
--- a/includes/Hooks/RequestWikiFormDescriptorModifyHook.php
+++ b/includes/Hooks/RequestWikiFormDescriptorModifyHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 interface RequestWikiFormDescriptorModifyHook {
diff --git a/includes/Hooks/RequestWikiQueueFormDescriptorModifyHook.php b/includes/Hooks/RequestWikiQueueFormDescriptorModifyHook.php
index f644429836..abaf617ee8 100644
--- a/includes/Hooks/RequestWikiQueueFormDescriptorModifyHook.php
+++ b/includes/Hooks/RequestWikiQueueFormDescriptorModifyHook.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Hooks;
 
 use MediaWiki\User\User;
diff --git a/includes/Installer/PopulateCentralWikiTask.php b/includes/Installer/PopulateCentralWikiTask.php
index 6077b36285..ea77ac9c4d 100644
--- a/includes/Installer/PopulateCentralWikiTask.php
+++ b/includes/Installer/PopulateCentralWikiTask.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Installer;
 
 use MediaWiki\Installer\Task\Task;
diff --git a/includes/Jobs/CreateWikiJob.php b/includes/Jobs/CreateWikiJob.php
index 410b8059fe..d4d5aefbab 100644
--- a/includes/Jobs/CreateWikiJob.php
+++ b/includes/Jobs/CreateWikiJob.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Jobs;
 
 use Exception;
diff --git a/includes/Jobs/RequestWikiAIJob.php b/includes/Jobs/RequestWikiAIJob.php
index c7f3912840..e090f4bfa5 100644
--- a/includes/Jobs/RequestWikiAIJob.php
+++ b/includes/Jobs/RequestWikiAIJob.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Jobs;
 
 use MediaWiki\Config\Config;
diff --git a/includes/Jobs/RequestWikiRemoteAIJob.php b/includes/Jobs/RequestWikiRemoteAIJob.php
index ac15ff20da..c558ff81b4 100644
--- a/includes/Jobs/RequestWikiRemoteAIJob.php
+++ b/includes/Jobs/RequestWikiRemoteAIJob.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Jobs;
 
 use Exception;
diff --git a/includes/Jobs/SetContainersAccessJob.php b/includes/Jobs/SetContainersAccessJob.php
index 00e1e0cb67..7654cbffe7 100644
--- a/includes/Jobs/SetContainersAccessJob.php
+++ b/includes/Jobs/SetContainersAccessJob.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Jobs;
 
 use MediaWiki\Config\Config;
diff --git a/includes/LogFormatter/FarmerLogFormatter.php b/includes/LogFormatter/FarmerLogFormatter.php
index 20cd790b7e..ebb50d9adc 100644
--- a/includes/LogFormatter/FarmerLogFormatter.php
+++ b/includes/LogFormatter/FarmerLogFormatter.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\LogFormatter;
 
 use MediaWiki\Linker\LinkRenderer;
diff --git a/includes/Notifications/EchoCreateWikiPresentationModel.php b/includes/Notifications/EchoCreateWikiPresentationModel.php
index c90a4e094d..b0a2a92e3c 100644
--- a/includes/Notifications/EchoCreateWikiPresentationModel.php
+++ b/includes/Notifications/EchoCreateWikiPresentationModel.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Notifications;
 
 use MediaWiki\Extension\Notifications\Formatters\EchoEventPresentationModel;
diff --git a/includes/Notifications/EchoRequestCommentPresentationModel.php b/includes/Notifications/EchoRequestCommentPresentationModel.php
index a6ed0e4d54..70e472e309 100644
--- a/includes/Notifications/EchoRequestCommentPresentationModel.php
+++ b/includes/Notifications/EchoRequestCommentPresentationModel.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Notifications;
 
 use MediaWiki\Extension\Notifications\DiscussionParser;
diff --git a/includes/Notifications/EchoRequestDeclinedPresentationModel.php b/includes/Notifications/EchoRequestDeclinedPresentationModel.php
index 9054ea1748..d06f49fe37 100644
--- a/includes/Notifications/EchoRequestDeclinedPresentationModel.php
+++ b/includes/Notifications/EchoRequestDeclinedPresentationModel.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Notifications;
 
 use MediaWiki\Extension\Notifications\DiscussionParser;
diff --git a/includes/Notifications/EchoRequestMoreDetailsPresentationModel.php b/includes/Notifications/EchoRequestMoreDetailsPresentationModel.php
index 84d1f90bf6..1afbd54a3a 100644
--- a/includes/Notifications/EchoRequestMoreDetailsPresentationModel.php
+++ b/includes/Notifications/EchoRequestMoreDetailsPresentationModel.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Notifications;
 
 use MediaWiki\Extension\Notifications\DiscussionParser;
diff --git a/includes/RequestWiki/FormFields/DetailsWithIconField.php b/includes/RequestWiki/FormFields/DetailsWithIconField.php
index df6c90c9e3..133bfe3c8c 100644
--- a/includes/RequestWiki/FormFields/DetailsWithIconField.php
+++ b/includes/RequestWiki/FormFields/DetailsWithIconField.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\RequestWiki\FormFields;
 
 use MediaWiki\HTMLForm\Field\HTMLInfoField;
diff --git a/includes/RequestWiki/RequestWikiFormUtils.php b/includes/RequestWiki/RequestWikiFormUtils.php
index b5f90ce9aa..dc71829a8f 100644
--- a/includes/RequestWiki/RequestWikiFormUtils.php
+++ b/includes/RequestWiki/RequestWikiFormUtils.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\RequestWiki;
 
 use function array_keys;
diff --git a/includes/RequestWiki/RequestWikiQueuePager.php b/includes/RequestWiki/RequestWikiQueuePager.php
index ec0873c72d..ccb939ff01 100644
--- a/includes/RequestWiki/RequestWikiQueuePager.php
+++ b/includes/RequestWiki/RequestWikiQueuePager.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\RequestWiki;
 
 use MediaWiki\Context\IContextSource;
diff --git a/includes/RequestWiki/Rest/UserWikiRequestsHandler.php b/includes/RequestWiki/Rest/UserWikiRequestsHandler.php
index e35955e277..d85831f1b2 100644
--- a/includes/RequestWiki/Rest/UserWikiRequestsHandler.php
+++ b/includes/RequestWiki/Rest/UserWikiRequestsHandler.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\RequestWiki\Rest;
 
 use MediaWiki\Rest\Response;
diff --git a/includes/RequestWiki/Rest/WikiRequestAddCommentHandler.php b/includes/RequestWiki/Rest/WikiRequestAddCommentHandler.php
index b42b1b0667..f1b3b0e569 100644
--- a/includes/RequestWiki/Rest/WikiRequestAddCommentHandler.php
+++ b/includes/RequestWiki/Rest/WikiRequestAddCommentHandler.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\RequestWiki\Rest;
 
 use MediaWiki\Rest\Response;
diff --git a/includes/RequestWiki/Rest/WikiRequestInfoHandler.php b/includes/RequestWiki/Rest/WikiRequestInfoHandler.php
index 1d36a0e6c8..7dcce92169 100644
--- a/includes/RequestWiki/Rest/WikiRequestInfoHandler.php
+++ b/includes/RequestWiki/Rest/WikiRequestInfoHandler.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\RequestWiki\Rest;
 
 use MediaWiki\Rest\Response;
diff --git a/includes/RequestWiki/Specials/SpecialRequestWiki.php b/includes/RequestWiki/Specials/SpecialRequestWiki.php
index 70e28d0e22..f604377f36 100644
--- a/includes/RequestWiki/Specials/SpecialRequestWiki.php
+++ b/includes/RequestWiki/Specials/SpecialRequestWiki.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\RequestWiki\Specials;
 
 use MediaWiki\Exception\ErrorPageError;
diff --git a/includes/RequestWiki/Specials/SpecialRequestWikiQueue.php b/includes/RequestWiki/Specials/SpecialRequestWikiQueue.php
index c58d4fd292..2dc8578520 100644
--- a/includes/RequestWiki/Specials/SpecialRequestWikiQueue.php
+++ b/includes/RequestWiki/Specials/SpecialRequestWikiQueue.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\RequestWiki\Specials;
 
 use MediaWiki\Exception\ErrorPageError;
diff --git a/includes/ServiceWiring.php b/includes/ServiceWiring.php
index 9ab2b024a4..5decce2a89 100644
--- a/includes/ServiceWiring.php
+++ b/includes/ServiceWiring.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki;
 
 use MediaWiki\Config\Config;
diff --git a/includes/Services/CreateWikiDataStore.php b/includes/Services/CreateWikiDataStore.php
index 22a207fba8..793814ba3b 100644
--- a/includes/Services/CreateWikiDataStore.php
+++ b/includes/Services/CreateWikiDataStore.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use MediaWiki\Config\ServiceOptions;
diff --git a/includes/Services/CreateWikiDatabaseUtils.php b/includes/Services/CreateWikiDatabaseUtils.php
index 1e38a37705..7528048243 100644
--- a/includes/Services/CreateWikiDatabaseUtils.php
+++ b/includes/Services/CreateWikiDatabaseUtils.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use MediaWiki\WikiMap\WikiMap;
diff --git a/includes/Services/CreateWikiNotificationsManager.php b/includes/Services/CreateWikiNotificationsManager.php
index 4d8b992f88..bd0f18361f 100644
--- a/includes/Services/CreateWikiNotificationsManager.php
+++ b/includes/Services/CreateWikiNotificationsManager.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use MediaWiki\Config\ServiceOptions;
diff --git a/includes/Services/CreateWikiRestUtils.php b/includes/Services/CreateWikiRestUtils.php
index 498678db2e..4655f95761 100644
--- a/includes/Services/CreateWikiRestUtils.php
+++ b/includes/Services/CreateWikiRestUtils.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use MediaWiki\Config\ServiceOptions;
diff --git a/includes/Services/CreateWikiValidator.php b/includes/Services/CreateWikiValidator.php
index 662453f4a9..6ac8335852 100644
--- a/includes/Services/CreateWikiValidator.php
+++ b/includes/Services/CreateWikiValidator.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use MediaWiki\Config\ServiceOptions;
diff --git a/includes/Services/RemoteWikiFactory.php b/includes/Services/RemoteWikiFactory.php
index 3913493d37..008571257b 100644
--- a/includes/Services/RemoteWikiFactory.php
+++ b/includes/Services/RemoteWikiFactory.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use MediaWiki\Config\ServiceOptions;
diff --git a/includes/Services/WikiManagerFactory.php b/includes/Services/WikiManagerFactory.php
index 8df80c68a0..4c40844d8c 100644
--- a/includes/Services/WikiManagerFactory.php
+++ b/includes/Services/WikiManagerFactory.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use CreateAndPromote;
diff --git a/includes/Services/WikiRequestManager.php b/includes/Services/WikiRequestManager.php
index 66205a1a77..0c71c29246 100644
--- a/includes/Services/WikiRequestManager.php
+++ b/includes/Services/WikiRequestManager.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use InvalidArgumentException;
@@ -243,7 +245,7 @@ public function getComments(): array {
 				continue;
 			}
 
-			$user = $this->userFactory->newFromId( $row->cw_comment_user );
+			$user = $this->userFactory->newFromId( (int)$row->cw_comment_user );
 
 			$comments[] = [
 				'comment' => $row->cw_comment,
@@ -324,7 +326,7 @@ public function getRequestHistory(): array {
 				continue;
 			}
 
-			$user = $this->userFactory->newFromActorId( $row->cw_history_actor );
+			$user = $this->userFactory->newFromActorId( (int)$row->cw_history_actor );
 
 			$history[] = [
 				'action' => $row->cw_history_action,
@@ -693,11 +695,11 @@ public function getDBname(): string {
 	}
 
 	public function getVisibility(): int {
-		return $this->getRowObject()->cw_visibility;
+		return (int)$this->getRowObject()->cw_visibility;
 	}
 
 	public function getRequester(): User {
-		return $this->userFactory->newFromId( $this->getRowObject()->cw_user );
+		return $this->userFactory->newFromId( (int)$this->getRowObject()->cw_user );
 	}
 
 	public function getStatus(): string {
diff --git a/includes/Services/WikiRequestViewer.php b/includes/Services/WikiRequestViewer.php
index 7948d4f645..a868db4b56 100644
--- a/includes/Services/WikiRequestViewer.php
+++ b/includes/Services/WikiRequestViewer.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Services;
 
 use MediaWiki\Config\ServiceOptions;
diff --git a/includes/Specials/SpecialCreateWiki.php b/includes/Specials/SpecialCreateWiki.php
index 4cafb02f13..e624740393 100644
--- a/includes/Specials/SpecialCreateWiki.php
+++ b/includes/Specials/SpecialCreateWiki.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Specials;
 
 use MediaWiki\Exception\ErrorPageError;
diff --git a/includes/WikiInitialize.php b/includes/WikiInitialize.php
index 65decc20af..c31c7cfbec 100644
--- a/includes/WikiInitialize.php
+++ b/includes/WikiInitialize.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki;
 
 use MediaWiki\Config\GlobalVarConfig;
diff --git a/maintenance/ChangeDBCluster.php b/maintenance/ChangeDBCluster.php
index 9c6987ca73..d04fa0ca33 100644
--- a/maintenance/ChangeDBCluster.php
+++ b/maintenance/ChangeDBCluster.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\MainConfigNames;
diff --git a/maintenance/CheckLastWikiActivity.php b/maintenance/CheckLastWikiActivity.php
index 9201e4bb00..d3efaa5723 100644
--- a/maintenance/CheckLastWikiActivity.php
+++ b/maintenance/CheckLastWikiActivity.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\Maintenance\Maintenance;
diff --git a/maintenance/CreatePersistentModel.php b/maintenance/CreatePersistentModel.php
index 5c473ff8cc..c19ec9f94f 100644
--- a/maintenance/CreatePersistentModel.php
+++ b/maintenance/CreatePersistentModel.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\Maintenance\Maintenance;
diff --git a/maintenance/DeleteWiki.php b/maintenance/DeleteWiki.php
index 6aecaa49a8..51c7c214e7 100644
--- a/maintenance/DeleteWiki.php
+++ b/maintenance/DeleteWiki.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\Maintenance\Maintenance;
diff --git a/maintenance/DeleteWikis.php b/maintenance/DeleteWikis.php
index de2d77fe3e..285b04a94f 100644
--- a/maintenance/DeleteWikis.php
+++ b/maintenance/DeleteWikis.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\Maintenance\Maintenance;
diff --git a/maintenance/ListDatabases.php b/maintenance/ListDatabases.php
index 5486751328..140437301b 100644
--- a/maintenance/ListDatabases.php
+++ b/maintenance/ListDatabases.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\MainConfigNames;
diff --git a/maintenance/ManageInactiveWikis.php b/maintenance/ManageInactiveWikis.php
index 13d5fcc714..363b1ae3f4 100644
--- a/maintenance/ManageInactiveWikis.php
+++ b/maintenance/ManageInactiveWikis.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\Maintenance\Maintenance;
diff --git a/maintenance/PopulateMainPage.php b/maintenance/PopulateMainPage.php
index c6f11308bc..ddecb8dfbb 100644
--- a/maintenance/PopulateMainPage.php
+++ b/maintenance/PopulateMainPage.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\CommentStore\CommentStoreComment;
diff --git a/maintenance/RenameWiki.php b/maintenance/RenameWiki.php
index f4b63f27b7..ad573b463d 100644
--- a/maintenance/RenameWiki.php
+++ b/maintenance/RenameWiki.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\Maintenance\Maintenance;
diff --git a/maintenance/SetContainersAccess.php b/maintenance/SetContainersAccess.php
index 059adc4efc..55317d60b2 100644
--- a/maintenance/SetContainersAccess.php
+++ b/maintenance/SetContainersAccess.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Maintenance;
 
 use MediaWiki\MainConfigNames;
diff --git a/tests/phpunit/Helpers/RemoteWikiTest.php b/tests/phpunit/Helpers/RemoteWikiTest.php
index 016285ca22..68f5c71226 100644
--- a/tests/phpunit/Helpers/RemoteWikiTest.php
+++ b/tests/phpunit/Helpers/RemoteWikiTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\Helpers;
 
 use MediaWiki\MainConfigNames;
diff --git a/tests/phpunit/Maintenance/CheckLastWikiActivityTest.php b/tests/phpunit/Maintenance/CheckLastWikiActivityTest.php
index 6331bcc881..f1bb0cbeb0 100644
--- a/tests/phpunit/Maintenance/CheckLastWikiActivityTest.php
+++ b/tests/phpunit/Maintenance/CheckLastWikiActivityTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\Maintenance;
 
 use MediaWiki\Tests\Maintenance\MaintenanceBaseTestCase;
diff --git a/tests/phpunit/Maintenance/ListDatabasesTest.php b/tests/phpunit/Maintenance/ListDatabasesTest.php
index b383573956..d807fadf95 100644
--- a/tests/phpunit/Maintenance/ListDatabasesTest.php
+++ b/tests/phpunit/Maintenance/ListDatabasesTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\Maintenance;
 
 use MediaWiki\Tests\Maintenance\MaintenanceBaseTestCase;
diff --git a/tests/phpunit/Maintenance/ManageInactiveWikisTest.php b/tests/phpunit/Maintenance/ManageInactiveWikisTest.php
index c4abdd8709..82e83f72d2 100644
--- a/tests/phpunit/Maintenance/ManageInactiveWikisTest.php
+++ b/tests/phpunit/Maintenance/ManageInactiveWikisTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\Maintenance;
 
 use MediaWiki\MainConfigNames;
diff --git a/tests/phpunit/RequestWiki/RequestWikiFormUtilsTest.php b/tests/phpunit/RequestWiki/RequestWikiFormUtilsTest.php
index e4f8172799..9c88c81417 100644
--- a/tests/phpunit/RequestWiki/RequestWikiFormUtilsTest.php
+++ b/tests/phpunit/RequestWiki/RequestWikiFormUtilsTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\RequestWiki;
 
 use Generator;
diff --git a/tests/phpunit/RequestWiki/Specials/SpecialRequestWikiTest.php b/tests/phpunit/RequestWiki/Specials/SpecialRequestWikiTest.php
index 2d184d346a..99c89fb5af 100644
--- a/tests/phpunit/RequestWiki/Specials/SpecialRequestWikiTest.php
+++ b/tests/phpunit/RequestWiki/Specials/SpecialRequestWikiTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\RequestWiki\Specials;
 
 use Generator;
diff --git a/tests/phpunit/ServiceWiringTest.php b/tests/phpunit/ServiceWiringTest.php
index a72c057c91..26c6299678 100644
--- a/tests/phpunit/ServiceWiringTest.php
+++ b/tests/phpunit/ServiceWiringTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests;
 
 use Generator;
diff --git a/tests/phpunit/Services/CreateWikiValidatorTest.php b/tests/phpunit/Services/CreateWikiValidatorTest.php
index 23e3e7e7f6..36fed0c204 100644
--- a/tests/phpunit/Services/CreateWikiValidatorTest.php
+++ b/tests/phpunit/Services/CreateWikiValidatorTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\Services;
 
 use Generator;
diff --git a/tests/phpunit/Services/WikiManagerFactoryTest.php b/tests/phpunit/Services/WikiManagerFactoryTest.php
index 5f6a150ae2..fb668d1421 100644
--- a/tests/phpunit/Services/WikiManagerFactoryTest.php
+++ b/tests/phpunit/Services/WikiManagerFactoryTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\Services;
 
 use MediaWiki\Config\ConfigException;
diff --git a/tests/phpunit/Services/WikiRequestManagerTest.php b/tests/phpunit/Services/WikiRequestManagerTest.php
index a44abd3d08..60b53df477 100644
--- a/tests/phpunit/Services/WikiRequestManagerTest.php
+++ b/tests/phpunit/Services/WikiRequestManagerTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\Services;
 
 use MediaWiki\MainConfigNames;
diff --git a/tests/phpunit/Unit/CreateWikiHookRunnerTest.php b/tests/phpunit/Unit/CreateWikiHookRunnerTest.php
index a577af937d..2593417532 100644
--- a/tests/phpunit/Unit/CreateWikiHookRunnerTest.php
+++ b/tests/phpunit/Unit/CreateWikiHookRunnerTest.php
@@ -1,5 +1,7 @@
 <?php
 
+declare( strict_types = 1 );
+
 namespace Miraheze\CreateWiki\Tests\Unit;
 
 use Generator;