diff --git a/web/classes/contentcache.class.php b/web/classes/contentcache.class.php
index c95584c2dc..8e656999f0 100644
--- a/web/classes/contentcache.class.php
+++ b/web/classes/contentcache.class.php
@@ -81,12 +81,12 @@ public function store($file, $content)
     /**
      * Is the specified content element present in the cache?
      *
-     * @param file  (String) File name to look up.
+     * @param relPath  (String) File name to look up.
      * @return  (Boolean) TRUE iff the content element is available.
      */
-    public function isPresent($file)
+    public function isPresent($relPath)
     {
-        return (bool) file_exists(FrontController::nativePath($this->_docRoot."/$file"));
+        return (bool) file_exists(FrontController::nativePath($this->_docRoot."/$relPath"));
     }
 
     /**
@@ -116,30 +116,33 @@ public function retrieve($relPath)
     /**
      * Retrieve info about a file in the cache.
      *
-     * @param file  (String) Name of the file to get info for.
+     * @param relPath  (String) Name of the file to get info for.
+     * @param info  (ContentInfo) Info record to be populated.
      * @return  (Boolean) FALSE if the specified file does not exist.
      */
-    public function getInfo($file, &$ContentInfo)
+    public function getInfo($relPath, &$info)
     {
-        $file = FrontController::nativePath($this->_docRoot."/$file");
-        if(!$file || !file_exists($file)) return FALSE;
+        if(!$info instanceof ContentInfo) return FALSE;
 
-        $ContentInfo->modifiedTime = filemtime($file);
+        $path = FrontController::nativePath($this->_docRoot."/$relPath");
+        if(!$path || !file_exists($path)) return FALSE;
+
+        $info->modifiedTime = filemtime($path);
         return TRUE;
     }
 
     /**
      * Touch a file in the cache (update modified time).
      *
-     * @param file  (String) Name of the file to touch.
+     * @param relPath  (String) Name of the file to touch.
      * @return  (Boolean) FALSE if the specified file does not exist.
      */
-    public function touch($file)
+    public function touch($relPath)
     {
-        $file = FrontController::nativePath($this->_docRoot."/$file");
-        if(!$file || !file_exists($file)) return FALSE;
+        $path = FrontController::nativePath($this->_docRoot."/$relPath");
+        if(!$path || !file_exists($path)) return FALSE;
 
-        touch($file);
+        touch($path);
         return TRUE;
     }
 
@@ -147,16 +150,16 @@ public function touch($file)
      * Attempt to import a content element from the cache, outputting
      * its contents straight to the output buffer.
      *
-     * @param file  (String) File name to retrieve.
+     * @param relPath  (String) File name to retrieve.
      * @return  (Boolean) TRUE iff the content element was imported.
      */
-    public function import($file)
+    public function import($relPath)
     {
-        $file = FrontController::nativePath($this->_docRoot."/$file");
+        $path = FrontController::nativePath($this->_docRoot."/$relPath");
 
-        if(!$file || !file_exists($file))
-            throw new Exception(sprintf('file %s not present in content cache.', $file));
+        if(!$path || !file_exists($path))
+            throw new Exception(sprintf('file %s not present in content cache.', $relPath));
 
-        return @readfile($file);
+        return @readfile($path);
     }
 }
diff --git a/web/plugins/buildrepository/buildrepository.php b/web/plugins/buildrepository/buildrepository.php
index 82a4378914..7d067da16c 100644
--- a/web/plugins/buildrepository/buildrepository.php
+++ b/web/plugins/buildrepository/buildrepository.php
@@ -103,7 +103,7 @@ function mustUpdateCachedBuildLog(&$buildLogUri, &$cacheName)
     // to determine when it is time to query (we touch the cached copy after
     // each query attempt).
     $cacheInfo = new ContentInfo();
-    $FrontController->contentCache()->getInfo($cacheName, &$cacheInfo);
+    $FrontController->contentCache()->getInfo($cacheName, $cacheInfo);
     if(time() < strtotime('+5 minutes', $cacheInfo->modifiedTime))
         return FALSE;
 
@@ -1060,7 +1060,7 @@ private function outputPackageGraph(&$pack)
         if($FrontController->contentCache()->isPresent($cacheName))
         {
             $cacheInfo = new ContentInfo();
-            $FrontController->contentCache()->getInfo($cacheName, &$contentInfo);
+            $FrontController->contentCache()->getInfo($cacheName, $contentInfo);
 
             header('Pragma: public');
             header('Cache-Control: public');
diff --git a/web/plugins/masterbrowser/masterbrowser.php b/web/plugins/masterbrowser/masterbrowser.php
index 097273be59..fa6ded4967 100644
--- a/web/plugins/masterbrowser/masterbrowser.php
+++ b/web/plugins/masterbrowser/masterbrowser.php
@@ -54,7 +54,7 @@ private function mustUpdateServerSummaryHtml()
         $this->db = new MasterServer();
 
         $cacheInfo = new ContentInfo();
-        $FrontController->contentCache()->getInfo(self::$serverSummaryCacheName, &$cacheInfo);
+        $FrontController->contentCache()->getInfo(self::$serverSummaryCacheName, $cacheInfo);
         return ($this->db->lastUpdate > $cacheInfo->modifiedTime);
     }
 
diff --git a/web/plugins/pages/pages.php b/web/plugins/pages/pages.php
index c94842aabd..81fcdcc541 100644
--- a/web/plugins/pages/pages.php
+++ b/web/plugins/pages/pages.php
@@ -45,7 +45,7 @@ public function mustUpdateCachedPage(&$pageFile, &$cacheName)
         if(!$FrontController->contentCache()->isPresent($cacheName)) return TRUE;
 
         $cacheInfo = new ContentInfo();
-        $FrontController->contentCache()->getInfo($cacheName, &$cacheInfo);
+        $FrontController->contentCache()->getInfo($cacheName, $cacheInfo);
         return (filemtime($pageFile) > $cacheInfo->modifiedTime);
     }