From 79b780cd09e38accf689b4a544a96c30609a9f49 Mon Sep 17 00:00:00 2001
From: Lito <lito@eordes.com>
Date: Thu, 15 Jun 2017 19:15:38 +0200
Subject: [PATCH] Update Model.php

---
 src/Abstractor/Eloquent/Model.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Abstractor/Eloquent/Model.php b/src/Abstractor/Eloquent/Model.php
index 093a32e..fc3efe5 100644
--- a/src/Abstractor/Eloquent/Model.php
+++ b/src/Abstractor/Eloquent/Model.php
@@ -425,11 +425,23 @@ public function persist(Request $request)
         }
 
         $fields = $this->getEditFields(true);
-        $foreignFields = array_diff_key($fields['main'] ?? [], $this->getEditFields(false)['main'] ?? []);
+
         if (empty($fields['main']) && $this->getRelations()->isEmpty()) {
             return;
         }
 
+        $foreigns = $this->getEditFields(false);
+
+        if (empty($fields['main'])) {
+            $fields['main'] = array();
+        }
+
+        if (empty($foreigns['main'])) {
+            $foreigns['main'] = array();
+        }
+
+        $foreignFields = array_diff_key($fields['main'], $foreigns['main']);
+
         if (!empty($fields['main'])) {
             $skip = null;
             foreach ($fields['main'] as $key => $field) {