From 5d79840240ec76a554b9383648eae340b3528ce5 Mon Sep 17 00:00:00 2001
From: Aidan Saunders <aidan.saunders@squiffle.uk>
Date: Mon, 3 Dec 2018 12:09:08 +0000
Subject: [PATCH] Add \Civi\Token\TokenProcessor::getContextValues() from Tim

---
 Civi/Token/TokenProcessor.php | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Civi/Token/TokenProcessor.php b/Civi/Token/TokenProcessor.php
index 99a0f0f9c4..60b94b50cc 100644
--- a/Civi/Token/TokenProcessor.php
+++ b/Civi/Token/TokenProcessor.php
@@ -168,6 +168,29 @@ class TokenProcessor {
     return new TokenRowIterator($this, new \ArrayIterator($this->rowContexts));
   }
 
+  /**
+   * Get a list of all unique values for a given context field,
+   * whether defined at the processor or row level.
+   *
+   * @param string $field
+   *   Ex: 'contactId'.
+   * @return array
+   *   Ex: [12, 34, 56].
+   */
+  public function getContextValues($field) {
+    $values = [];
+    if (isset($this->context[$field])) {
+      $values[] = $this->context[$field];
+    }
+    foreach ($this->getRows() as $row) {
+      if (isset($row->context[$field])) {
+        $values[] = $row->context[$field];
+      }
+    }
+    $values = array_unique($values);
+    return $values;
+  }
+
   /**
    * Get the list of available tokens.
    *
-- 
2.25.1