Check encode of your data (dingo#1380)

* Check encode of your data

* formatting

* formatting back

* space after if

* empty line befere return - formatting

* space before curly bracket - formatting

Author: catalinux

src/Http/Response/Format/Json.php

@@ -97,6 +97,11 @@ protected function morphToArray($value)
      */
     protected function encode($content)
     {
-        return json_encode($content);
+        $encodedString = json_encode($content);
+        if ($encodedString === false) {
+            throw new \ErrorException('Error encoding data in JSON format: '.json_last_error());
+        }
+
+        return $encodedString;
     }
 }