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<?php
 
    Class Category{
 
        //一維數(shù)組無限級分類
        Static Public function yiwei($cate,$pid=0){
 
            $arr=array();
            foreach($cate as $v){
                if($v['pid'] == $pid){
                    $arr[]=$v;
                    $arr=array_merge($arr,self::yiwei($cate,$v['id']));
                }
                
            }
            return $arr;
        }
 
        //二位數(shù)組無限級分類
        Static Public function erwei($cate,$pid=0){
            $arr=array();
            foreach($cate as $v){
                if($v['pid'] == $pid){
                    
                    $v['child']=self::erwei($cate,$v['id']);
                    $arr[]=$v;
                }
            }
            return $arr;
        }
 
 
        //通過子級尋找父級
        Static Public function findFather($cate,$id){
            $arr=array();
            foreach($cate as $v){
                if($v['id'] == $id){
                    $arr[]=$v;
                    $arr=array_merge($arr,self::findFather($cate,$v['pid']));
                }
            }
            return $arr;
        }
 
        //通過父級尋找子級
        Static Public function findChild($cate,$pid){
            $arr=array();
            foreach($cate as $v){
                if($v['pid'] == $pid){
                    $arr[]=$v['id'];
                    $arr=array_merge($arr,self::findChild($cate,$v['id']));
                }
            }
            return $arr;
        }
    }
?>
 

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