From 71687b3dfe50a8ea643ff6bdd3985a04ed9f8fa8 Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Tue, 1 Nov 2016 00:55:45 -0400
Subject: [PATCH] Pass-thru empty values from api contribution_sendconfirmation

---
 api/v3/Contribution.php | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/api/v3/Contribution.php b/api/v3/Contribution.php
index 209252d809..ce9e32e044 100644
--- a/api/v3/Contribution.php
+++ b/api/v3/Contribution.php
@@ -382,8 +382,8 @@ function civicrm_api3_contribution_transact($params) {
  * @throws Exception
  */
 function civicrm_api3_contribution_sendconfirmation($params) {
-  $input = $ids = $values = array();
-  $passThroughParams = array(
+  $ids = $values = array();
+  $allowedParams = array(
     'receipt_from_email',
     'receipt_from_name',
     'receipt_update',
@@ -392,11 +392,7 @@ function civicrm_api3_contribution_sendconfirmation($params) {
     'receipt_text',
     'payment_processor_id',
   );
-  foreach ($passThroughParams as $key) {
-    if (isset($params[$key])) {
-      $input[$key] = $params[$key];
-    }
-  }
+  $input = array_intersect_key($params, array_flip($allowedParams));
   CRM_Contribute_BAO_Contribution::sendMail($input, $ids, $params['id'], $values);
 }
 
-- 
2.25.1