? mailchimp-implode-recursive-1040360-1.patch
Index: mailchimp.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/mailchimp/mailchimp.module,v
retrieving revision 1.2.2.1.2.3.2.8.2.62.2.9
diff -u -p -r1.2.2.1.2.3.2.8.2.62.2.9 mailchimp.module
--- mailchimp.module	26 Oct 2010 16:49:42 -0000	1.2.2.1.2.3.2.8.2.62.2.9
+++ mailchimp.module	26 Jan 2011 02:15:54 -0000
@@ -759,6 +759,7 @@ function mailchimp_mailchimp_merge_keys(
  * @return string
  */
 function implode_recursive($glue, $pieces) {
+  $retVal = array();
   foreach ($pieces as $piece) {
     if (is_array($piece)) {
       $retVal[] = implode_recursive($glue, $piece);