From f71b2aa9c17b72536e28217cb93422c851cf1ba9 Mon Sep 17 00:00:00 2001
From: Stephan Eizinga <stephan.eizinga@flexkids.nl>
Date: Fri, 10 Jan 2020 12:25:41 +0100
Subject: [PATCH] * Removed duplicated isValidJson check

---
 src/SignhostClient.php | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/src/SignhostClient.php b/src/SignhostClient.php
index b98496b..75b0733 100644
--- a/src/SignhostClient.php
+++ b/src/SignhostClient.php
@@ -85,13 +85,13 @@ public function performRequest(string $endpoint, string $method, $data = null, $
             }
 
             // When data is set, we must add Content-Type: application/json header
-            if (isset($data) && !empty($data) && $this->isValidJson($data)) {
+            if (isset($data) && !empty($data)) {
                 $headers[] = 'Content-Type: application/json';
                 $headers[] = 'Content-Length: ' . strlen($data);
             }
 
-            // for start transaction, SignHost will require the content-lenth: 0 header.
-            if (false !== strpos($endpoint, 'start')) {
+            // for start transaction, SignHost will require the content-length: 0 header.
+            if (($method == 'PUT' || $method == 'POST') && empty($data) && empty($filePath)) {
                 $headers[] = 'Content-Length: 0';
             }
 
@@ -113,11 +113,6 @@ public function performRequest(string $endpoint, string $method, $data = null, $
         }
     }
 
-    private function isValidJson($jsonString) {
-        json_decode($jsonString);
-        return (json_last_error() == JSON_ERROR_NONE);
-    }
-
     /**
      * @throws SignhostException
      */