API functions should return otherwise you get 'cannot interpret return values from...

diff --git a/api/v3/Contribution.php b/api/v3/Contribution.php
index 710c6ee7f073c10bd576a88dfe3d69624e458800..277c368d4b7b592055020957f01c22916857605e 100644 (file)
--- a/api/v3/Contribution.php
+++ b/api/v3/Contribution.php
@@ -406,6 +406,7 @@ function civicrm_api3_contribution_sendconfirmation($params) {
   ];
   $input = array_intersect_key($params, array_flip($allowedParams));
   CRM_Contribute_BAO_Contribution::sendMail($input, $ids, $params['id']);
+  return [];
 }
 
 /**