refactor: extract attribute getter for insert.

src/Illuminate/Database/Eloquent/Model.php

@@ -989,6 +989,16 @@ protected function getKeyForSaveQuery()
         return $this->original[$this->getKeyName()] ?? $this->getKey();
     }
 
+    /**
+     * Get all of the current attributes on the model for insert.
+     *
+     * @return array
+     */
+    protected function getAttributesForInsert()
+    {
+        return $this->getAttributes();
+    }
+
     /**
      * Perform a model insert operation.
      *
@@ -1011,7 +1021,7 @@ protected function performInsert(Builder $query)
         // If the model has an incrementing key, we can use the "insertGetId" method on
         // the query builder, which will give us back the final inserted ID for this
         // table from the database. Not all tables have to be incrementing though.
-        $attributes = $this->getAttributes();
+        $attributes = $this->getAttributesForInsert();
 
         if ($this->getIncrementing()) {
             $this->insertAndSetId($query, $attributes);