php 8.1 Compitability issues

Author: bhavi-evrig

src/Migration/Handler/CleanMultiselect.php

@@ -51,7 +51,7 @@ public function handle(Record $recordToHandle, Record $oppositeRecord)
     {
         $attributeIds = $this->getAttributeIds();
         if ($attributeIds && in_array($recordToHandle->getValue('attribute_id'), $attributeIds)) {
-            $value = $recordToHandle->getValue($this->field);
+            $value = $recordToHandle->getValue($this->field) ? $recordToHandle->getValue($this->field) : '';
             $value = explode(',', $value);
             $value = array_filter($value);
             $value = implode(',', $value);

src/Migration/Handler/Placeholder.php

@@ -61,8 +61,10 @@ protected function processContent($content)
         $classSource = [];
         $classDestination = [];
         foreach ($this->classMap->getMap() as $classOldFashion => $classNewStyle) {
-            $classSource[] = sprintf('type="%s"', $classOldFashion);
-            $classDestination[] = sprintf('type="%s"', str_replace('\\', '\\\\', $classNewStyle));
+            if ($classNewStyle !== null) {
+                $classSource[] = sprintf('type="%s"', $classOldFashion);
+                $classDestination[] = sprintf('type="%s"', str_replace('\\', '\\\\', $classNewStyle));
+            }
         }
         $content = str_replace($classSource, $classDestination, $content);
         // cut off name of a module from template path

src/Migration/ResourceModel/AbstractCollection.php

@@ -32,47 +32,47 @@ public function __construct(array $data = [])
     /**
      * @inheritdoc
      */
-    public function current()
+    public function current() : mixed
     {
         return $this->data[$this->position];
     }
 
     /**
      * @inheritdoc
      */
-    public function key()
+    public function key() : mixed
     {
         return $this->position;
     }
 
     /**
      * @inheritdoc
      */
-    public function next()
+    public function next() : void
     {
         $this->position++;
     }
 
     /**
      * @inheritdoc
      */
-    public function rewind()
+    public function rewind() :void
     {
         $this->position = 0;
     }
 
     /**
      * @inheritdoc
      */
-    public function valid()
+    public function valid() : bool
     {
         return $this->key() < count($this->data);
     }
 
     /**
      * @inheritdoc
      */
-    public function count()
+    public function count() : int
     {
         return count($this->data);
     }