[9.x] Add saveQuietly convenience methods to relations

src/Illuminate/Database/Eloquent/Relations/BelongsToMany.php

@@ -1155,6 +1155,21 @@ public function save(Model $model, array $pivotAttributes = [], $touch = true)
         return $model;
     }
 
+    /**
+     * Save a new model without raising any events and attach it to the parent model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  array  $pivotAttributes
+     * @param  bool  $touch
+     * @return \Illuminate\Database\Eloquent\Model
+     */
+    public function saveQuietly(Model $model, array $pivotAttributes = [], $touch = true)
+    {
+        return Model::withoutEvents(function () use ($model, $pivotAttributes, $touch) {
+            return $this->save($model, $pivotAttributes, $touch);
+        });
+    }
+
     /**
      * Save an array of new models and attach them to the parent model.
      *

src/Illuminate/Database/Eloquent/Relations/HasOneOrMany.php

@@ -267,6 +267,19 @@ public function save(Model $model)
         return $model->save() ? $model : false;
     }
 
+    /**
+     * Attach a model instance without raising any events to the parent model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return \Illuminate\Database\Eloquent\Model|false
+     */
+    public function saveQuietly(Model $model)
+    {
+        return Model::withoutEvents(function () use ($model) {
+            return $this->save($model);
+        });
+    }
+
     /**
      * Attach a collection of models to the parent instance.
      *