Allow EmbedsOneOrMany::saveMany to accept a collection

src/Jenssegers/Mongodb/Model.php

@@ -75,7 +75,7 @@ public function getQualifiedKeyName()
      * @param  string  $localKey
      * @param  string  $foreignKey
      * @param  string  $relation
-     * @return EmbedsMany
+     * @return \Jenssegers\Mongodb\Relations\EmbedsMany
      */
     protected function embedsMany($related, $localKey = null, $foreignKey = null, $relation = null)
     {

src/Jenssegers/Mongodb/Relations/EmbedsOneOrMany.php

@@ -156,15 +156,17 @@ public function save(Model $model)
     }
 
     /**
-     * Attach an array of models to the parent instance.
+     * Attach a collection of models to the parent instance.
      *
-     * @param  array  $models
-     * @return array
+     * @param  \Illuminate\Database\Eloquent\Collection|array  $models
+     * @return \Illuminate\Database\Eloquent\Collection|array
      */
-    public function saveMany(array $models)
+    public function saveMany($models)
     {
-        array_walk($models, array($this, 'save'));
-
+        foreach ($models as $model) {
+            $this->save($model);
+        }
+
         return $models;
     }