From b29504655d6c856b81ec084c7a22117c2da93db6 Mon Sep 17 00:00:00 2001
From: Joby Elliott <joby@Jobys-iMac.local>
Date: Thu, 30 Aug 2018 12:38:30 -0600
Subject: [PATCH] push and unshift create arrays if their target isn't set

---
 src/FlatArrayTrait.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/FlatArrayTrait.php b/src/FlatArrayTrait.php
index 6123891..5f4819f 100644
--- a/src/FlatArrayTrait.php
+++ b/src/FlatArrayTrait.php
@@ -33,6 +33,9 @@ trait FlatArrayTrait
         if ($arr !== null && !is_array($arr)) {
             return;
         }
+        if ($arr === null) {
+            $arr = [];
+        }
         array_unshift($arr, $value);
         $this->set($name, $arr);
     }