diff --git a/typo3/sysext/backend/ext_tables.php b/typo3/sysext/backend/ext_tables.php
index 673f92d01c3ccf9bcc3173ef42690503b6fa5a15..ad99589de059d925c3a49eec8a553a13dde41ff0 100644
--- a/typo3/sysext/backend/ext_tables.php
+++ b/typo3/sysext/backend/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 // Register as a skin
diff --git a/typo3/sysext/belog/ext_tables.php b/typo3/sysext/belog/ext_tables.php
index 37bd3598d7464f30ea1053c06f315d9bc5d31fb7..2cd899f899ceff084f7197adc79a3d9991bbc1d7 100644
--- a/typo3/sysext/belog/ext_tables.php
+++ b/typo3/sysext/belog/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 // Module Web->Info->Log
diff --git a/typo3/sysext/beuser/ext_tables.php b/typo3/sysext/beuser/ext_tables.php
index ed6c74ee7d6da77e6e32052c93d4bbd7792f52fa..fe577415bd571b0f61f1f530dc637bde2956105a 100644
--- a/typo3/sysext/beuser/ext_tables.php
+++ b/typo3/sysext/beuser/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 // Module System > Backend Users
diff --git a/typo3/sysext/core/ext_tables.php b/typo3/sysext/core/ext_tables.php
index aa04b334cfe938475833a7a669780fce20b41416..338b49afff8d767fc30769261f1b496cafd242f4 100644
--- a/typo3/sysext/core/ext_tables.php
+++ b/typo3/sysext/core/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 /**
diff --git a/typo3/sysext/dashboard/ext_tables.php b/typo3/sysext/dashboard/ext_tables.php
index 8bf01f4934898e8251fe9c49a643ed71ab2813e9..58762d0276a0f1339bb00b3395bd286ce2e9d94d 100644
--- a/typo3/sysext/dashboard/ext_tables.php
+++ b/typo3/sysext/dashboard/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/extensionmanager/ext_tables.php b/typo3/sysext/extensionmanager/ext_tables.php
index 3f0ccabd1d2bd559e5d01a9e96afe42d6568daca..b6c9454a52b2e57c8f986ebda4936f47e197d9d1 100644
--- a/typo3/sysext/extensionmanager/ext_tables.php
+++ b/typo3/sysext/extensionmanager/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerModule(
diff --git a/typo3/sysext/filelist/ext_tables.php b/typo3/sysext/filelist/ext_tables.php
index f5ec2c1813cb19afac5ea7f0622bbb58a214be5f..6a96b7b06ab82cddd67fc2f53c1b89064c2f6203 100644
--- a/typo3/sysext/filelist/ext_tables.php
+++ b/typo3/sysext/filelist/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/form/ext_tables.php b/typo3/sysext/form/ext_tables.php
index 11d76060f12b820ed3a3d1f7dd0a8882b255e207..a76260f1a1a3c1441a72e578a76fb00320fd7614 100644
--- a/typo3/sysext/form/ext_tables.php
+++ b/typo3/sysext/form/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 // Register the backend module Web->Forms
diff --git a/typo3/sysext/frontend/ext_tables.php b/typo3/sysext/frontend/ext_tables.php
index 702cf02e4402adfb937600ff49f9bad15fb8be58..d6528b3160359fce1456d23ed7c5a50e12e2ac21 100644
--- a/typo3/sysext/frontend/ext_tables.php
+++ b/typo3/sysext/frontend/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 // Add allowed records to pages
diff --git a/typo3/sysext/impexp/ext_tables.php b/typo3/sysext/impexp/ext_tables.php
index 340607080b79c90edf17b7b5676b5a8e5fc4d773..36a4ada889d5878a05965a001cebb2a7eb4ed2c6 100644
--- a/typo3/sysext/impexp/ext_tables.php
+++ b/typo3/sysext/impexp/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addLLrefForTCAdescr('xMOD_tx_impexp', 'EXT:impexp/Resources/Private/Language/locallang_csh.xlf');
diff --git a/typo3/sysext/indexed_search/ext_tables.php b/typo3/sysext/indexed_search/ext_tables.php
index 5c1a4a250f670643e036fc985ad2aad36c376cdf..cb04107c4afdcc05404531ac1d8175d6d2066c74 100644
--- a/typo3/sysext/indexed_search/ext_tables.php
+++ b/typo3/sysext/indexed_search/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerModule(
diff --git a/typo3/sysext/info/ext_tables.php b/typo3/sysext/info/ext_tables.php
index 3c22e5fd2d518e026a050255420f17cd4df4f1d0..e2652fc65e237b476ddf0fbac9f4169c45e65a61 100644
--- a/typo3/sysext/info/ext_tables.php
+++ b/typo3/sysext/info/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/install/ext_tables.php b/typo3/sysext/install/ext_tables.php
index 04034a0a664f5b6e62cdcd72d39e63bd2ab16e73..770ebe26506b096a7c9e7f1dca8bfd7170b5371f 100644
--- a/typo3/sysext/install/ext_tables.php
+++ b/typo3/sysext/install/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/linkvalidator/ext_tables.php b/typo3/sysext/linkvalidator/ext_tables.php
index 597ca4932edd9ccf27353f13f7ea4a66c392f729..b5281002a53c452cc4c8a64a7709b988250cea52 100644
--- a/typo3/sysext/linkvalidator/ext_tables.php
+++ b/typo3/sysext/linkvalidator/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 // Add module
diff --git a/typo3/sysext/lowlevel/ext_tables.php b/typo3/sysext/lowlevel/ext_tables.php
index a76728e08ee4685668d1445b60d8a4b1087426b5..0af657ecec4cd69ad20d8c2ebf82249dad743fc3 100644
--- a/typo3/sysext/lowlevel/ext_tables.php
+++ b/typo3/sysext/lowlevel/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/recordlist/ext_tables.php b/typo3/sysext/recordlist/ext_tables.php
index 83a308eb7ab1260413e24c0e5384bf6fb4ef5192..4691ebfe485c02160eb528050f6ea3d4d088bb9d 100644
--- a/typo3/sysext/recordlist/ext_tables.php
+++ b/typo3/sysext/recordlist/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/recycler/ext_tables.php b/typo3/sysext/recycler/ext_tables.php
index 1521fd09b6085897b4162be885b757695269bd4c..ad39c8ac7837f743a913ebecbe5900b36a2103ed 100644
--- a/typo3/sysext/recycler/ext_tables.php
+++ b/typo3/sysext/recycler/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/redirects/ext_tables.php b/typo3/sysext/redirects/ext_tables.php
index 6054753c0b2036b0f2c32c08af70246488a0f35a..f6b56f33d6114fefe7a16667aa34927a01d7d56c 100644
--- a/typo3/sysext/redirects/ext_tables.php
+++ b/typo3/sysext/redirects/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/reports/ext_tables.php b/typo3/sysext/reports/ext_tables.php
index f46f816d9d2f89ca77f29d1061392fff3c12791d..7129e5961c9aa7d1918b85ec2ffa733bcf4c4b17 100644
--- a/typo3/sysext/reports/ext_tables.php
+++ b/typo3/sysext/reports/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/scheduler/ext_tables.php b/typo3/sysext/scheduler/ext_tables.php
index bd8a4f933356edc4837633644f86c55225c41132..49e7e024130ff9a279d315fb450bbb40495abbf4 100644
--- a/typo3/sysext/scheduler/ext_tables.php
+++ b/typo3/sysext/scheduler/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 // Add module
diff --git a/typo3/sysext/setup/ext_tables.php b/typo3/sysext/setup/ext_tables.php
index 7bdf224a484d3ed59407875b9697c7e4c16f99d4..c8539734c8885d911c51caf4be0d24496f781ec5 100644
--- a/typo3/sysext/setup/ext_tables.php
+++ b/typo3/sysext/setup/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/sys_note/ext_tables.php b/typo3/sysext/sys_note/ext_tables.php
index 116af6a7d550e256c438178e4a5cc1b364193b7d..eb6d1de85b8b2dc1bb29ba2303bcb3ff7ecaa60f 100644
--- a/typo3/sysext/sys_note/ext_tables.php
+++ b/typo3/sysext/sys_note/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::allowTableOnStandardPages('sys_note');
diff --git a/typo3/sysext/tstemplate/ext_tables.php b/typo3/sysext/tstemplate/ext_tables.php
index 6ed42a13c98629088f0b072c0a3bbae8bedb7d5a..c08dab3cda7f9787c976387347cfb24b1ad8c32f 100644
--- a/typo3/sysext/tstemplate/ext_tables.php
+++ b/typo3/sysext/tstemplate/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/viewpage/ext_tables.php b/typo3/sysext/viewpage/ext_tables.php
index 570d3c9b7fbe632e624e0321e7aed7379ab87964..3df9b9f1b2fef272ecac67318f18f4cd873d6ca2 100644
--- a/typo3/sysext/viewpage/ext_tables.php
+++ b/typo3/sysext/viewpage/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addModule(
diff --git a/typo3/sysext/workspaces/ext_tables.php b/typo3/sysext/workspaces/ext_tables.php
index 9b01b34e0fe02fd80599f2029419d613b2c330b2..ad3d2c70645619748bf772696b8e36cedd68e16b 100644
--- a/typo3/sysext/workspaces/ext_tables.php
+++ b/typo3/sysext/workspaces/ext_tables.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 defined('TYPO3') or die();
 
 // Registers the workspaces Backend Module