From bebefa431c7cb7d422cc321ca96dacb91b667266 Mon Sep 17 00:00:00 2001
From: Zach Borboa <zachborboa@gmail.com>
Date: Sat, 31 Oct 2020 12:32:19 -0700
Subject: [PATCH] Consider CaseInsensitiveArray an associative array.

---
 src/Curl/ArrayUtil.php               |  7 ++++++-
 tests/PHPCurlClass/ArrayUtilTest.php | 15 +++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 tests/PHPCurlClass/ArrayUtilTest.php

diff --git a/src/Curl/ArrayUtil.php b/src/Curl/ArrayUtil.php
index 217effa..ba8aa92 100644
--- a/src/Curl/ArrayUtil.php
+++ b/src/Curl/ArrayUtil.php
@@ -2,6 +2,8 @@
 
 namespace Curl;
 
+use Curl\CaseInsensitiveArray;
+
 class ArrayUtil
 {
     /**
@@ -14,7 +16,10 @@ class ArrayUtil
      */
     public static function isArrayAssoc($array)
     {
-        return is_array($array) && (bool)count(array_filter(array_keys($array), 'is_string'));
+        return (
+            $array instanceof CaseInsensitiveArray ||
+            (bool)count(array_filter(array_keys($array), 'is_string'))
+        );
     }
 
     /**
diff --git a/tests/PHPCurlClass/ArrayUtilTest.php b/tests/PHPCurlClass/ArrayUtilTest.php
new file mode 100644
index 0000000..0f15395
--- /dev/null
+++ b/tests/PHPCurlClass/ArrayUtilTest.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace CurlTest;
+
+use Curl\ArrayUtil;
+use Curl\CaseInsensitiveArray;
+
+class ArrayUtilTest extends \PHPUnit\Framework\TestCase
+{
+    public function testCaseInsensitiveArrayIsArrayAssoc()
+    {
+        $array = new CaseInsensitiveArray();
+        $this->assertTrue(ArrayUtil::isArrayAssoc($array));
+    }
+}