diff --git a/typo3/sysext/core/Classes/Mail/TransportFactory.php b/typo3/sysext/core/Classes/Mail/TransportFactory.php
index 165fe1d3376b39143d0ca7314b49b6fd269ea1e3..a28f09073a2332a8dc37110172d672fa652a25ad 100644
--- a/typo3/sysext/core/Classes/Mail/TransportFactory.php
+++ b/typo3/sysext/core/Classes/Mail/TransportFactory.php
@@ -69,7 +69,7 @@ class TransportFactory implements SingletonInterface, LoggerAwareInterface
                     $host = $parts[0];
                     $port = $parts[1] ?? null;
                 } else {
-                    $host = (string)$mailSettings['transport_smtp_server'] ?? '';
+                    $host = (string)($mailSettings['transport_smtp_server'] ?? '');
                     $port = null;
                 }
 
diff --git a/typo3/sysext/core/Classes/TypoScript/TemplateService.php b/typo3/sysext/core/Classes/TypoScript/TemplateService.php
index 64b3c587e6e9a09c8902fed3588423a71a973a73..94ffbd10733d97b5555d6694529cc6165baf247e 100644
--- a/typo3/sysext/core/Classes/TypoScript/TemplateService.php
+++ b/typo3/sysext/core/Classes/TypoScript/TemplateService.php
@@ -1217,7 +1217,7 @@ class TemplateService
             } else {
                 $currentPage = end($this->absoluteRootLine);
                 try {
-                    $site = GeneralUtility::makeInstance(SiteFinder::class)->getSiteByPageId((int)$currentPage['uid'] ?? 0);
+                    $site = GeneralUtility::makeInstance(SiteFinder::class)->getSiteByPageId((int)($currentPage['uid'] ?? 0));
                 } catch (SiteNotFoundException $exception) {
                     $site = null;
                 }
diff --git a/typo3/sysext/linkvalidator/Classes/EventListener/CheckBrokenRteLinkEventListener.php b/typo3/sysext/linkvalidator/Classes/EventListener/CheckBrokenRteLinkEventListener.php
index e6aa587325ca5c778be9694988a9f154514023ed..33e99f35078f97bc5bd70987d0eb8ad56182f4c5 100644
--- a/typo3/sysext/linkvalidator/Classes/EventListener/CheckBrokenRteLinkEventListener.php
+++ b/typo3/sysext/linkvalidator/Classes/EventListener/CheckBrokenRteLinkEventListener.php
@@ -45,7 +45,7 @@ final class CheckBrokenRteLinkEventListener
         if ($event->getLinkType() !== LinkService::TYPE_URL) {
             return;
         }
-        $url = (string)$event->getLinkData()['url'] ?? '';
+        $url = (string)($event->getLinkData()['url'] ?? '');
         if (!empty($url)) {
             if ($this->brokenLinkRepository->isLinkTargetBrokenLink($url)) {
                 $event->markAsBrokenLink('External link is broken');
diff --git a/typo3/sysext/redirects/Classes/Repository/Demand.php b/typo3/sysext/redirects/Classes/Repository/Demand.php
index d92adc89e57267cec36cabea514cfaeefcbce06b..e2ffcb249a6be81e52e980d2ea837cf2c1acb1f8 100644
--- a/typo3/sysext/redirects/Classes/Repository/Demand.php
+++ b/typo3/sysext/redirects/Classes/Repository/Demand.php
@@ -87,7 +87,7 @@ class Demand
         }
         $sourceHost = $demand['source_host'] ?? '';
         $sourcePath = $demand['source_path'] ?? '';
-        $statusCode = (int)$demand['target_statuscode'] ?? 0;
+        $statusCode = (int)($demand['target_statuscode'] ?? 0);
         $target = $demand['target'] ?? '';
         return new self($page, $sourceHost, $sourcePath, $target, $statusCode);
     }
diff --git a/typo3/sysext/setup/Classes/Controller/SetupModuleController.php b/typo3/sysext/setup/Classes/Controller/SetupModuleController.php
index a07ad4954e236d518b959ec8acfca6f35a46fc88..f3b24617ade2b011961fa24158cb8bd1a3d79ffe 100644
--- a/typo3/sysext/setup/Classes/Controller/SetupModuleController.php
+++ b/typo3/sysext/setup/Classes/Controller/SetupModuleController.php
@@ -194,7 +194,7 @@ class SetupModuleController
         $beUserId = $backendUser->user['uid'];
         $storeRec = [];
         $fieldList = $this->getFieldsFromShowItem();
-        if (is_array($d) && $this->formProtection->validateToken((string)$postData['formToken'] ?? '', 'BE user setup', 'edit')) {
+        if (is_array($d) && $this->formProtection->validateToken((string)($postData['formToken'] ?? ''), 'BE user setup', 'edit')) {
             // UC hashed before applying changes
             $save_before = md5(serialize($backendUser->uc));
             // PUT SETTINGS into the ->uc array: