Update class.phpmailer.php

indisc · Apr 4, 2015 · 653d638 · 653d638
1 parent 30a5c73
commit 653d638
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/class.phpmailer.php b/class.phpmailer.php
@@ -3411,7 +3411,7 @@ public function DKIM_Add($headers_line, $subject, $body)
                 $to_header = $header;
                 $current = 'to_header';
             } else {
-                if ($$current && strpos($header, ' =?') === 0) {
+                if (!empty($$current) && strpos($header, ' =?') === 0) {
                     $$current .= $header;
                 } else {
                     $current = '';