From d07fec5d629407b5b2bf34c0062e310cdb5a1eb8 Mon Sep 17 00:00:00 2001
From: Hillel Coren <hillelcoren@gmail.com>
Date: Tue, 19 Apr 2016 21:46:18 +0300
Subject: [PATCH] Fix for #816 preg_match() error on settings update

---
 app/Http/Controllers/AppController.php | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/app/Http/Controllers/AppController.php b/app/Http/Controllers/AppController.php
index 1fc3f7588873..9dcf243fbe02 100644
--- a/app/Http/Controllers/AppController.php
+++ b/app/Http/Controllers/AppController.php
@@ -178,9 +178,12 @@ class AppController extends BaseController
 
         $config = '';
         foreach ($_ENV as $key => $val) {
-                        if (preg_match('/\s/',$val)) {
-                                $val = "'{$val}'";
-                        }
+            if (is_array($val)) {
+                continue;
+            }
+            if (preg_match('/\s/', $val)) {
+                    $val = "'{$val}'";
+            }
             $config .= "{$key}={$val}\n";
         }