From f9ffe4f02e9af8b187ee2a080a7ef43757660419 Mon Sep 17 00:00:00 2001
From: Cristian Llanos <cristianllanos@outlook.com>
Date: Sun, 8 Jan 2017 22:10:45 -0500
Subject: [PATCH] Fix #11 - Invalid argument supplied for foreach

---
 src/Coders/Model/Model.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Coders/Model/Model.php b/src/Coders/Model/Model.php
index c168b98c..98b9639f 100644
--- a/src/Coders/Model/Model.php
+++ b/src/Coders/Model/Model.php
@@ -1033,7 +1033,7 @@ public function getBlueprint()
      */
     public function isPrimaryKey(Fluent $command)
     {
-        foreach ($this->primaryKeys->columns as $column) {
+        foreach ((array) $this->primaryKeys->columns as $column) {
             if (! in_array($column, $command->columns)) {
                 return false;
             }