From ee9dcecff33bd9ee99ae7af328e997363f194dcd Mon Sep 17 00:00:00 2001
From: Michal Bolka <mbolka@divante.pl>
Date: Wed, 30 Aug 2017 16:25:15 +0200
Subject: [PATCH] Adding header validation for null sessionId

---
 soapclient/SforceBaseClient.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/soapclient/SforceBaseClient.php b/soapclient/SforceBaseClient.php
index 4a59196..a08525a 100644
--- a/soapclient/SforceBaseClient.php
+++ b/soapclient/SforceBaseClient.php
@@ -322,8 +322,9 @@ private function setHeaders($call=NULL) {
 			}
 		}
 		
-		
-		$this->sforce->__setSoapHeaders($header_array);
+		if (!empty(array_filter($header_array))) {
+	    		$this->sforce->__setSoapHeaders($header_array);
+		}
 	}
 
 	public function setAssignmentRuleHeader($header) {