Index: /home/cheetah/dev/doxygen/src/search_php.h
===================================================================
--- /home/cheetah/dev/doxygen/src/search_php.h	(revision 755)
+++ /home/cheetah/dev/doxygen/src/search_php.h	(working copy)
@@ -140,7 +140,7 @@
 "    {\n"
 "      $key=$di[\"url\"];\n"
 "      $rank=$di[\"rank\"];\n"
-"      if ($docs[$key])\n"
+"      if (isset($docs[$key]))\n"
 "      {\n"
 "        $docs[$key][\"rank\"]+=$rank;\n"
 "      }\n"
Index: /home/cheetah/dev/doxygen/src/search.php
===================================================================
--- /home/cheetah/dev/doxygen/src/search.php	(revision 755)
+++ /home/cheetah/dev/doxygen/src/search.php	(working copy)
@@ -140,7 +140,7 @@
     {
       $key=$di["url"];
       $rank=$di["rank"];
-      if ($docs[$key])
+      if (isset($docs[$key]))
       {
         $docs[$key]["rank"]+=$rank;
       }
