Fix E_NOTICE

diff --git a/src/anoweco/Linkback.php b/src/anoweco/Linkback.php
index 800a06a182937de7b9eef2a48db43db66568930f..b678a348c6c3d42a6e96a88e41d5cdf85417426c 100644 (file)
--- a/src/anoweco/Linkback.php
+++ b/src/anoweco/Linkback.php
@@ -47,7 +47,7 @@ class Linkback
         }
 
         if ($error) {
         }
 
         if ($error) {

-            $pingState = $rowPost->comment_pingstate + 1;
+            $pingState = intval($rowPost->comment_pingstate) + 1;

         } else {
             $pingState = 'ok';
         }
         } else {
             $pingState = 'ok';
         }