Issue #3249556 by TR: PHP 8.1 changes

includes/entity.wrapper.inc

@@ -553,6 +553,7 @@ class EntityStructureWrapper extends EntityMetadataWrapper implements IteratorAg
     return isset($this->propertyInfo['properties'][$name]);
   }
 
+  #[\ReturnTypeWillChange]
   public function getIterator() {
     $this->spotInfo();
     return new EntityMetadataWrapperIterator($this, array_keys($this->propertyInfo['properties']));
@@ -1123,6 +1124,7 @@ class EntityListWrapper extends EntityMetadataWrapper implements IteratorAggrega
   /**
    * If we wrap a list, we return an iterator over the data list.
    */
+  #[\ReturnTypeWillChange]
   public function getIterator() {
     // In case there is no data available, just iterate over the first item.
     return new EntityMetadataWrapperIterator($this, ($this->dataAvailable() && is_array(parent::value())) ? array_keys(parent::value()) : array(0));
@@ -1131,18 +1133,22 @@ class EntityListWrapper extends EntityMetadataWrapper implements IteratorAggrega
   /**
    * Implements the ArrayAccess interface.
    */
+  #[\ReturnTypeWillChange]
   public function offsetGet($delta) {
     return $this->get($delta);
   }
 
+  #[\ReturnTypeWillChange]
   public function offsetExists($delta) {
     return $this->dataAvailable() && ($data = $this->value()) && array_key_exists($delta, $data);
   }
 
+  #[\ReturnTypeWillChange]
   public function offsetSet($delta, $value) {
     $this->get($delta)->set($value);
   }
 
+  #[\ReturnTypeWillChange]
   public function offsetUnset($delta) {
     if ($this->offsetExists($delta)) {
       unset($this->data[$delta]);
@@ -1150,6 +1156,7 @@ class EntityListWrapper extends EntityMetadataWrapper implements IteratorAggrega
     }
   }
 
+  #[\ReturnTypeWillChange]
   public function count() {
     return $this->dataAvailable() ? count($this->value()) : 0;
   }
@@ -1209,30 +1216,37 @@ class EntityMetadataWrapperIterator implements RecursiveIterator {
     $this->keys = $keys;
   }
 
+  #[\ReturnTypeWillChange]
   public function rewind() {
     $this->position = 0;
   }
 
+  #[\ReturnTypeWillChange]
   public function current() {
     return $this->wrapper->get($this->keys[$this->position]);
   }
 
+  #[\ReturnTypeWillChange]
   public function key() {
     return $this->keys[$this->position];
   }
 
+  #[\ReturnTypeWillChange]
   public function next() {
     $this->position++;
   }
 
+  #[\ReturnTypeWillChange]
   public function valid() {
     return isset($this->keys[$this->position]);
   }
 
+  #[\ReturnTypeWillChange]
   public function hasChildren() {
     return $this->current() instanceof IteratorAggregate;
   }
 
+  #[\ReturnTypeWillChange]
   public function getChildren() {
     return $this->current()->getIterator();
   }
@@ -1258,26 +1272,32 @@ class EntityMetadataArrayObject implements ArrayAccess, Countable, IteratorAggre
   /**
    * Implements the ArrayAccess interface.
    */
+  #[\ReturnTypeWillChange]
   public function offsetGet($delta) {
     return $this->data[$delta];
   }
 
+  #[\ReturnTypeWillChange]
   public function offsetExists($delta) {
     return array_key_exists($delta, $this->data);
   }
 
+  #[\ReturnTypeWillChange]
   public function offsetSet($delta, $value) {
     $this->data[$delta] = $value;
   }
 
+  #[\ReturnTypeWillChange]
   public function offsetUnset($delta) {
     unset($this->data[$delta]);
   }
 
+  #[\ReturnTypeWillChange]
   public function count() {
     return count($this->data);
   }
 
+  #[\ReturnTypeWillChange]
   public function getIterator() {
     return new ArrayIterator($this->data);
   }