From 1e4c40883a184864b2330d4a70fd2ff98a17f340 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Tue, 26 Dec 2017 12:06:58 +0800
Subject: [PATCH] Throw exception when depth is 0.

---
 src/Utils.php | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/Utils.php b/src/Utils.php
index ebe959f..3641f59 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -305,11 +305,8 @@ class Utils
      */
     public static function jsonToArray($json, $depth=1)
     {
-        if (!is_int($depth)) {
-            throw new InvalidArgumentException('jsonToArray depth must be int.');
-        }
-        if ($depth <= 0) {
-            return [];
+        if (!is_int($depth) || $depth <= 0) {
+            throw new InvalidArgumentException('jsonToArray depth must be int and depth must bigger than 0.');
         }
         if ($json instanceof stdClass) {
             $json = (array) $json;