From 86ae2ce786f38144d0b546119cfb71bc2d37b48d Mon Sep 17 00:00:00 2001
From: Zach Borboa <zachborboa@gmail.com>
Date: Sat, 31 Oct 2020 11:25:49 -0700
Subject: [PATCH] Fix ArrayUtil::isArrayAssoc() erroring with a
 CaseInsensitiveArray.

Error message:
    array_keys() expects parameter 1 to be array, object given
---
 src/Curl/ArrayUtil.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Curl/ArrayUtil.php b/src/Curl/ArrayUtil.php
index f73eedc..217effa 100644
--- a/src/Curl/ArrayUtil.php
+++ b/src/Curl/ArrayUtil.php
@@ -14,7 +14,7 @@ class ArrayUtil
      */
     public static function isArrayAssoc($array)
     {
-        return (bool)count(array_filter(array_keys($array), 'is_string'));
+        return is_array($array) && (bool)count(array_filter(array_keys($array), 'is_string'));
     }
 
     /**