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PHP 循環(huán)刪除無(wú)限分類子節(jié)點(diǎn)的實(shí)現(xiàn)代碼

 更新時(shí)間:2013年06月21日 08:50:59   作者:  
本篇文章是對(duì)PHP中循環(huán)刪除無(wú)限分類子節(jié)點(diǎn)的代碼進(jìn)行了詳細(xì)的分析介紹,需要的朋友參考下

復(fù)制代碼 代碼如下:

<?php
    private  function _deleteSubNode($ids){

        $subNodes = array();
        $mod = D('Node');
        foreach (explode ( ',', $ids ) as $k){
            $res = $this->_getSubNode($k,$subNodes[$k],$mod);  //獲取子節(jié)點(diǎn)
            if(!empty($res[0])){
                foreach($res as $k => $nid){
                    $mod->where('id = '.$nid)->delete();       //刪除子節(jié)點(diǎn)
                }
            }
        }
        return ;
    }

    private function _getSubNode($id, &$arr,$mod){

         $condition = array ('pid' => array ('eq', $id ));
         $ret = $mod->where($condition)->getField('id');
         if(!empty($ret[0])){
             foreach ($ret as $k => $node){
                 $arr[] = $node['id'];
                 $this->_getSubNode($node['id'], $arr, $mod);
            }
         }
         return $arr;
    }

?>

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