diff --git a/php/src/Auth/AuthManager.php b/php/src/Auth/AuthManager.php
index 925ff89f..ad4b2ebd 100644
--- a/php/src/Auth/AuthManager.php
+++ b/php/src/Auth/AuthManager.php
@@ -30,7 +30,7 @@ readonly class AuthManager {
             $_SESSION['date_time'] = $dateTime;
 
             $df = disk_free_space(DataConst::GetSessionDirectory());
-            if ($df !== false && (int)$df < 10240) {
+            if ($df !== false && intval($df) < 10240) {
                 error_log(DataConst::GetSessionDirectory() . " has only less than 10KB free space. The login might not succeed because of that!");
             }
 
diff --git a/php/src/Cron/CheckFreeDiskSpace.php b/php/src/Cron/CheckFreeDiskSpace.php
index b462195e..e83c46f4 100644
--- a/php/src/Cron/CheckFreeDiskSpace.php
+++ b/php/src/Cron/CheckFreeDiskSpace.php
@@ -20,7 +20,7 @@ $id = 'nextcloud-aio-nextcloud';
 $nextcloudContainer = $containerDefinitionFetcher->GetContainerById($id);
 
 $df = disk_free_space(DataConst::GetDataDirectory());
-if ($df !== false && (int)$df < 1024 * 1024 * 1024 * 5) {
+if ($df !== false && intval($df) < 1024 * 1024 * 1024 * 5) {
     error_log("The drive that hosts the mastercontainer volume has less than 5 GB free space. Container updates and backups might not succeed due to that!");
     $dockerActionManger->sendNotification($nextcloudContainer, 'Low on space!', 'The drive that hosts the mastercontainer volume has less than 5 GB free space. Container updates and backups might not succeed due to that!');
 }
diff --git a/php/src/Data/ConfigurationManager.php b/php/src/Data/ConfigurationManager.php
index 320bc477..b605c94b 100644
--- a/php/src/Data/ConfigurationManager.php
+++ b/php/src/Data/ConfigurationManager.php
@@ -606,7 +606,7 @@ class ConfigurationManager
         $df = disk_free_space(DataConst::GetDataDirectory());
         $content = json_encode($config, JSON_UNESCAPED_SLASHES|JSON_PRETTY_PRINT|JSON_THROW_ON_ERROR);
         $size = strlen($content) + 10240;
-        if ($df !== false && (int)$df < $size) {
+        if ($df !== false && intval($df) < $size) {
             throw new InvalidSettingConfigurationException(DataConst::GetDataDirectory() . " does not have enough space for writing the config file! Not writing it back!");
         }
         file_put_contents(DataConst::GetConfigFile(), $content);
@@ -710,7 +710,7 @@ class ConfigurationManager
     }
 
     public function GetApacheMaxSize() : int {
-        $uploadLimit = (int)rtrim($this->GetNextcloudUploadLimit(), 'G');
+        $uploadLimit = intval(rtrim($this->GetNextcloudUploadLimit(), 'G'));
         return $uploadLimit * 1024 * 1024 * 1024;
     }
 
diff --git a/php/src/Docker/DockerActionManager.php b/php/src/Docker/DockerActionManager.php
index 9e8a8ff2..02a86deb 100644
--- a/php/src/Docker/DockerActionManager.php
+++ b/php/src/Docker/DockerActionManager.php
@@ -121,7 +121,7 @@ readonly class DockerActionManager {
         }
 
         if ($internalPort !== "" && $internalPort !== 'host') {
-            $connection = @fsockopen($containerName, (int)$internalPort, $errno, $errstr, 0.2);
+            $connection = @fsockopen($containerName, intval($internalPort), $errno, $errstr, 0.2);
             if ($connection) {
                 fclose($connection);
                 return ContainerState::Running;