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@@ -1898,9 +1898,33 @@ class ContentManager
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    *  @param onlyexpanded : array of expanded contents ids. null if whole 
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    tree should be loaded
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    */
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-	function & GetAllContentAsHierarchy($loadprops=true,$onlyexpanded=null) {
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+	function & GetAllContentAsHierarchy($loadprops=true,$onlyexpanded=null)
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+	{
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     global $gCms;
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-		$db = &$gCms->db;
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+
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+		$cachefilename = TMP_CACHE_LOCATION . '/contentcache.php';
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+		if (isset($gCms->variables['pageinfo']) && file_exists($cachefilename))
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+		{
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+			$pageinfo =& $gCms->variables['pageinfo'];
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+			debug_buffer('content cache file exists... file: ' . filemtime($cachefilename) . ' content:' . $pageinfo->content_last_modified_date);
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+			if (isset($pageinfo->content_last_modified_date) && $pageinfo->content_last_modified_date < filemtime($cachefilename))
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+			{
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+				debug_buffer('file needs loading');
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+
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+				$handle = fopen($cachefilename, "r");
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+				$data = fread($handle, filesize($cachefilename));
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+				fclose($handle);
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+
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+				$data = unserialize(substr($data, 16));
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+
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+				$variables =& $gCms->variables;
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+				$variables['contentcache'] =& $data;
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+
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+				return $data;
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+			}
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+		}
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+
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+		$db = &$gCms->GetDb();
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     // first, retrieve number of children
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     $childrenCount = array();
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@@ -1972,6 +1996,12 @@ class ContentManager
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     }
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     $toReturn = new ContentHierarchyManager();
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     $toReturn->setRoot($root);
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+
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+		debug_buffer("Serializing...");
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+		$handle = fopen($cachefilename, "w");
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+		fwrite($handle, '<?php return; ?>'.serialize($toReturn));
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+		fclose($handle);
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+
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     return $toReturn;
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   }