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本篇文章给大家带来的内容是关于php如何实现全路径无限分类导航（代码），有一定的参考价值，有需要的朋友可以参考一下，希望对你有所帮助。
<?php
/**
* @param php全路径无限分类
*/
include('db.inc.php');
function getPathCate($cateid){
$sql = "select * ,concat(path,',',id) fullpath from likecate where id = $cateid";
$res = mysql_query($sql);
$row = mysql_fetch_assoc($res);
$ids = $row['fullpath'];
$sql = "select * from likecate where id in ($ids) orders by id asc";
$res = mysql_query($sql);
$result = array();
while ($row = mysql_fetch_assoc($res)) {
$result[] = $row;
}
return $result;
}
function displayPath($cateid,$link='cate.php?cid='){
$res = getPathCate($cateid);
$str = '';
foreach ($res as $key => $value) {
$str .= "<a href ='{$link}{$value['id']}'>{$value['catename']}</a>";
}
}
echo displayPath(4,'cate.php?p=1&cid=');
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