Merge branch 'sync'

Author: lkrms

src/Concept/Provider.php

@@ -104,4 +104,29 @@ final public function dateFormatter(): IDateFormatter
         return $this->DateFormatter
             ?? ($this->DateFormatter = $this->getDateFormatter());
     }
+
+    /**
+     * Get the date formatter cached by dateFormatter(), or null if it hasn't
+     * been cached
+     */
+    final protected function getCachedDateFormatter(): ?IDateFormatter
+    {
+        return $this->DateFormatter ?? null;
+    }
+
+    /**
+     * Set or unset the date formatter returned by dateFormatter()
+     *
+     * @return $this
+     */
+    final protected function setDateFormatter(?IDateFormatter $formatter)
+    {
+        if ($formatter === null) {
+            unset($this->DateFormatter);
+        } else {
+            $this->DateFormatter = $formatter;
+        }
+
+        return $this;
+    }
 }

src/Sync/Support/SyncIntrospector.php

@@ -600,7 +600,7 @@ static function (
                         DeferredSyncEntity::deferList($provider, $context->push($entity), $relationship, $data[$key], $entity->{$property});
                         return;
                     }
-                    $entity->{$property} = $relationship::provideList($data[$key], $provider, $context->getConformity(), $context->push($entity));
+                    $entity->{$property} = $relationship::provideList($data[$key], $provider, $context->getConformity(), $context->push($entity))->toArray();
                     return;
                 }
                 if (is_scalar($data[$key])) {