From cc812ad7328198802b0387c89b6a7bbba1091a2c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=93=AD=E6=98=95?= <715557344@qq.com>
Date: Sat, 29 Dec 2018 11:48:04 +0800
Subject: [PATCH] Fixed Arr::flatten , INF is float not int.

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

diff --git a/src/utils/src/Arr.php b/src/utils/src/Arr.php
index e05c5d625..f7cea5f70 100644
--- a/src/utils/src/Arr.php
+++ b/src/utils/src/Arr.php
@@ -168,7 +168,7 @@ class Arr
     /**
      * Flatten a multi-dimensional array into a single level.
      */
-    public static function flatten(array $array, int $depth = INF): array
+    public static function flatten(array $array, $depth = INF): array
     {
         $result = [];
         foreach ($array as $item) {