Merge branch '5.3' into 5.4

* 5.3:
  Fix return types for PHP 8.1

Author: derrabus

ConstraintViolationList.php

@@ -118,6 +118,7 @@ public function remove(int $offset)
      *
      * @return \ArrayIterator|ConstraintViolationInterface[]
      */
+    #[\ReturnTypeWillChange]
     public function getIterator()
     {
         return new \ArrayIterator($this->violations);
@@ -126,6 +127,7 @@ public function getIterator()
     /**
      * @return int
      */
+    #[\ReturnTypeWillChange]
     public function count()
     {
         return \count($this->violations);
@@ -134,6 +136,7 @@ public function count()
     /**
      * @return bool
      */
+    #[\ReturnTypeWillChange]
     public function offsetExists($offset)
     {
         return $this->has($offset);
@@ -144,6 +147,7 @@ public function offsetExists($offset)
      *
      * @return mixed
      */
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return $this->get($offset);
@@ -154,6 +158,7 @@ public function offsetGet($offset)
      *
      * @return void
      */
+    #[\ReturnTypeWillChange]
     public function offsetSet($offset, $violation)
     {
         if (null === $offset) {
@@ -168,6 +173,7 @@ public function offsetSet($offset, $violation)
      *
      * @return void
      */
+    #[\ReturnTypeWillChange]
     public function offsetUnset($offset)
     {
         $this->remove($offset);

Tests/Fixtures/CustomArrayObject.php

@@ -29,12 +29,17 @@ public function offsetExists($offset): bool
         return \array_key_exists($offset, $this->array);
     }
 
+    /**
+     * @param mixed $offset
+     * @return mixed
+     */
+    #[\ReturnTypeWillChange]
     public function offsetGet($offset)
     {
         return $this->array[$offset];
     }
 
-    public function offsetSet($offset, $value)
+    public function offsetSet($offset, $value): void
     {
         if (null === $offset) {
             $this->array[] = $value;
@@ -43,7 +48,7 @@ public function offsetSet($offset, $value)
         }
     }
 
-    public function offsetUnset($offset)
+    public function offsetUnset($offset): void
     {
         unset($this->array[$offset]);
     }