Check defined or undefined

diff --git a/plugin/attach.inc.php b/plugin/attach.inc.php
index 0db81f4..077ff16 100644 (file)
--- a/plugin/attach.inc.php
+++ b/plugin/attach.inc.php
@@ -2,7 +2,7 @@
 /////////////////////////////////////////////////
 // PukiWiki - Yet another WikiWikiWeb clone.
 //
-//  $Id: attach.inc.php,v 1.47 2004/08/05 14:16:42 henoheno Exp $
+//  $Id: attach.inc.php,v 1.48 2004/08/06 12:35:51 henoheno Exp $
 //
 
 /*
@@ -694,7 +694,7 @@ class AttachPages
 
                        $_page = decode($matches[1]);
                        $_file = decode($matches[2]);
-                       $_age  = $matches[3] ? $matches[3] : 0;
+                       $_age  = isset($matches[3]) ? $matches[3] : 0;
                        if (! isset($this->pages[$_page])) {
                                $this->pages[$_page] = & new AttachFiles($_page);
                        }