From 28f7a9b19f3c41aa65f4dd0a1cc3fa38c7e5341e Mon Sep 17 00:00:00 2001
From: Matthew Wire <mjw@mjwconsult.co.uk>
Date: Sat, 4 Jan 2020 16:19:29 +0000
Subject: [PATCH] Fix activity.case_id token to always display the first case
 ID

---
 CRM/Activity/Tokens.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CRM/Activity/Tokens.php b/CRM/Activity/Tokens.php
index 98844043299e..825c120c9890 100644
--- a/CRM/Activity/Tokens.php
+++ b/CRM/Activity/Tokens.php
@@ -197,6 +197,11 @@ public function evaluateToken(\Civi\Token\TokenRow $row, $entity, $field, $prefe
     elseif (in_array($field, ['campaign'])) {
       $row->tokens($entity, $field, $this->campaigns[$activity->campaign_id]);
     }
+    elseif (in_array($field, ['case_id'])) {
+      // An activity can be linked to multiple cases so case_id is always an array.
+      // We just return the first case ID for the token.
+      $row->tokens($entity, $field, is_array($activity->case_id) ? reset($activity->case_id) : $activity->case_id);
+    }
     elseif (array_key_exists($field, $this->customFieldTokens)) {
       $row->tokens($entity, $field,
         isset($activity->$field)