实现Emlog 5.x面包屑导航代码

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<?php if($tag){
echo $tag;
}elseif($sortName){
global $CACHE; 	
$sort_cache = $CACHE->readCache('sort');
$pid = $sort_cache[$sortid]['pid'];
if($pid != 0){
?>
<a href="<?php echo Url::sort($pid); ?>"><?php echo $sort_cache[$pid]['sortname'];?></a> &raquo; 
<?php 
echo $sort_cache[$sortid]['sortname'];
}else{
echo $sort_cache[$sortid]['sortname'];
}}elseif($logid){
global $CACHE; 
$cache_sort = $CACHE->readCache('sort');
$log_cache_sort = $CACHE->readCache('logsort');
$mylogid = $log_cache_sort[$logid]['id'];
$pid = $cache_sort [$mylogid]['pid'];
 
if($pid != 0){
?>
<a href="<?php echo Url::sort($pid); ?>" title="<?php echo Url::sort($pid); ?>"><?php echo $cache_sort[$pid]['sortname'];?></a> &raquo; <a href="<?php echo Url::sort($mylogid);?>"><?php echo $cache_sort[$mylogid]['sortname']; ?></a> &raquo;
<?php 
}else{
?>
<a href="<?php echo Url::sort($mylogid);?>"><?php echo $cache_sort[$mylogid]['sortname']; ?></a> &raquo;
<?php 
}
}elseif($keyword){
echo $keyword;
}elseif($record){
echo $record;
}elseif($author){
echo $author;
}else{
echo $log_title;
}
?>

<?php include View::getView('breadcrumb');?>