From c0322273adef5540c5e780c7a82329b5862a0871 Mon Sep 17 00:00:00 2001
From: Adrian Lang <lang@cosmocode.de>
Date: Fri, 13 Nov 2009 13:34:58 +0100
Subject:  Less E_NOTICEs, removed spell checker leftover

darcs-hash:20091113123458-e4919-d4841ea9c627059a4afa8e0032dd889b3cc579cb.gz
---
 inc/cache.php | 33 ++++++++++++++++++---------------
 1 file changed, 18 insertions(+), 15 deletions(-)

(limited to 'inc/cache.php')

diff --git a/inc/cache.php b/inc/cache.php
index c01e17c3e..9a9d5e3b0 100644
--- a/inc/cache.php
+++ b/inc/cache.php
@@ -217,24 +217,27 @@ class cache_renderer extends cache_parser {
 
     if (!parent::_useCache()) return false;
 
-    // for wiki pages, check metadata dependencies
-    if (isset($this->page)) {
-      $metadata = p_get_metadata($this->page);
+    if (!isset($this->page)) {
+      return true;
+    }
 
-      // check currnent link existence is consistent with cache version
-      // first check the purgefile
-      // - if the cache is more recent that the purgefile we know no links can have been updated
-      if ($this->_time < @filemtime($conf['cachedir'].'/purgefile')) {
+    // check current link existence is consistent with cache version
+    // first check the purgefile
+    // - if the cache is more recent than the purgefile we know no links can have been updated
+    if ($this->_time > @filemtime($conf['cachedir'].'/purgefile')) {
+      return true;
+    }
 
-#       $links = p_get_metadata($this->page,"relation references");
-        $links = $metadata['relation']['references'];
+    // for wiki pages, check metadata dependencies
+    $metadata = p_get_metadata($this->page);
 
-        if (!empty($links)) {
-          foreach ($links as $id => $exists) {
-            if ($exists != page_exists($id,'',false)) return false;
-          }
-        }
-      }
+    if (!isset($metadata['relation']['references']) ||
+        !empty($metadata['relation']['references'])) {
+      return true;
+    }
+
+    foreach ($metadata['relation']['references'] as $id => $exists) {
+      if ($exists != page_exists($id,'',false)) return false;
     }
 
     return true;
-- 
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