Fixed Badly encoded JSON data warning when uploading files [#2663]

getgrav · Sep 17, 2019 · 5c9eb1c · 5c9eb1c
1 parent e30ab9a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -3,6 +3,7 @@
 
 1. [](#bugfix)
     * Fixed Flex user creation if file storage is being used [#2444](https://github.com/getgrav/grav/issues/2444)
+    * Fixed `Badly encoded JSON data` warning when uploading files [#2663](https://github.com/getgrav/grav/issues/2663)
 
 # v1.6.15
 ## 08/20/2019

diff --git a/system/src/Grav/Framework/Form/Traits/FormTrait.php b/system/src/Grav/Framework/Form/Traits/FormTrait.php
@@ -640,7 +640,7 @@ protected function jsonDecode(array $data): array
         foreach ($data as $key => &$value) {
             if (\is_array($value)) {
                 $value = $this->jsonDecode($value);
-            } elseif ($value === '') {
+            } elseif (trim($value) === '') {
                 unset($data[$key]);
             } else {
                 $value = json_decode($value, true);