[TASK] Rector to PHP 8.1

Classes/Controller/BackendController.php

@@ -23,7 +23,7 @@ class BackendController extends ActionController
      * @var IndexerFactory $indexerFactory
      */
     protected $indexerFactory;
-    public function __construct(private ModuleTemplateFactory $moduleTemplateFactory)
+    public function __construct(private readonly ModuleTemplateFactory $moduleTemplateFactory)
     {
     }
 
@@ -104,7 +104,7 @@ public function requestAction($url = '', $body = ''): ResponseInterface
         if ($url != '') {
             $result = $this->request($url, $body);
 
-            $this->view->assign('response', json_decode($result['body'], true));
+            $this->view->assign('response', json_decode((string) $result['body'], true));
 
             $resultColor = match ($result['status']) {
                 '200' => 'success',

Classes/DataCollector/TCA/PlainValueProcessor.php

@@ -41,7 +41,7 @@ public function processCheckboxField($value, $fieldTca)
         foreach ($activeItemKeys as $key) {
             $label = $fieldTca['items'][$key][0];
 
-            if (str_starts_with($label, 'LLL:')) {
+            if (str_starts_with((string) $label, 'LLL:')) {
                 $label = $this->getLanguageService()->sL($label);
             }
 
@@ -71,7 +71,7 @@ public function processRadioField($value, $fieldTca)
             }
         }
 
-        if (str_starts_with($label, 'LLL:')) {
+        if (str_starts_with((string) $label, 'LLL:')) {
             $label = $this->getLanguageService()->sL($label);
         }
 

Classes/Events/AfterIndexRunEvent.php

@@ -5,7 +5,7 @@
 
 final class AfterIndexRunEvent
 {
-    public function __construct(private bool $fullIndexing, private int $elapsedTime)
+    public function __construct(private readonly bool $fullIndexing, private readonly int $elapsedTime)
     {
     }
 

Classes/Feature/CompletionSuggestFeature.php

@@ -96,7 +96,7 @@ protected function splitFields($fields = [])
         $splittedContent = [];
         if (!empty($fields)) {
             foreach ($fields as $field) {
-                $split = preg_split($this->config['splitRegex'], $field);
+                $split = preg_split($this->config['splitRegex'], (string) $field);
                 $splittedContent = array_merge($splittedContent, $split);
             }
         }

Classes/Hook/DynamicFlexFormHook.php

@@ -34,7 +34,7 @@ class DynamicFlexFormHook
     public function parseDataStructureByIdentifierPostProcess($dataStructure, $identifier)
     {
         if ($identifier['tableName'] == 'tt_content' && $identifier['fieldName'] == 'pi_flexform' && in_array($identifier['dataStructureKey'], $this->allowedIdentifiers)) {
-            [$pluginKey, $listType] = explode(",", $identifier['dataStructureKey']);
+            [$pluginKey, $listType] = explode(",", (string) $identifier['dataStructureKey']);
             $dataStructure['sheets']['features'] = $this->buildFlexSettingsFromTSSettings($pluginKey);
         }
         return $dataStructure;

Classes/Preview/SimplePreviewRenderer.php

@@ -27,7 +27,7 @@ public function render($record)
     {
         $rawfield = $record[$this->config['field']];
 
-        $processedField = substr($rawfield, 0, 200) . "...";
+        $processedField = substr((string) $rawfield, 0, 200) . "...";
 
         return $processedField;
     }

Classes/Service/ExtconfService.php

@@ -160,7 +160,7 @@ public function getUpdateIndex()
      */
     public function getHostsSettings()
     {
-        $hosts = explode(",", $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['searchable']['extensionManagement']['connection']['hosts']);
+        $hosts = explode(",", (string) $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['searchable']['extensionManagement']['connection']['hosts']);
 
         return $hosts;
     }