改写的一个PHP树形目录类tree.class

array("id"=>"1","parentid"=>0,"name"=>"一级栏目一"), * 2 => array("id"=>"2","parentid"=>0,"name"=>"一级栏目二"), * ) */ function tree($array=array()) { if(is_array($array)) { $arr = array(); foreach($array as $temp) { $arr[$temp["id"]] = $temp; } } $this->arr = $arr; $this->ret = ""; return is_array($arr); } //获取所有直系上级目录列表 function get_list($myid) { if($this->arr[$myid]["parentid"]) { $

tree.class.php