CRM-16095 - Don't lookup empty contact_id in db

colemanw · colemanw · commit df45dc16e5be · 2015-03-14T14:50:40.000-04:00
diff --git a/modules/civicrm_contact_ref/civicrm_contact_ref.module b/modules/civicrm_contact_ref/civicrm_contact_ref.module
@@ -400,11 +400,15 @@ function _civicrm_contact_ref_potential_references_standard($field, $string = ''
 /**
  * Helper function for formatters.
  *
- * Store node titles collected in the curent request.
+ * Store node titles collected in the current request.
+ *
+ * @param int $cid
+ * @param string $field
+ * @return string|null
  */
 function _civicrm_contact_ref_titles($cid, $field = 'display_name') {
-  if (!civicrm_initialize()) {
-    return;
+  if (!civicrm_initialize() || !$cid) {
+    return NULL;
   }
   static $titles = array();
 
