init global memory cache arrays

Update to 'add function result caching for cleanID and wikiFN'.
Makes certain that arrays exist for the caches, without checking on each function call.
Properly create multidimensional arrays in wikiFN().

darcs-hash:20060828071205-05dcb-7c8dbdb5ea4e7b73808ec3bd9222df1b837d3a1f.gz

1 files changed, 1 insertions, 0 deletions

diff --git a/inc/pageutils.php b/inc/pageutils.php
index 882a6bf56..758d34a9e 100644
--- a/inc/pageutils.php
+++ b/inc/pageutils.php
@@ -188,6 +188,7 @@ function wikiFN($raw_id,$rev='',$clean=true){
     }
   }
 
+  if (!isset($cache[$raw_id])) { $cache[$raw_id] = array(); }
   $cache[$raw_id][$rev] = $fn;
   return $fn;
 }