php无限级分类实现方法分析

public function getInfo(){$data=$this->select();$arr=$this->noLimit($data,$f_id=0,$level=0);return $arr;}//无限极分类public function noLimit($data,$f_id=0,$level=0){static $lists=array();foreach($data as $key=>$v){　　if($v['f_id']==$f_id){　　　　$v['level']=$level;　　　　$lists[]=$v;　　　　$this->noLimit($data,$v['q_id'],$level+1);　　}}return $lists;}

public function getInfo(){$u_id=session('u_id');$data=$this->join("user join user_role on user.u_id=user_role.u_id join role_quan on user_role.j_id=role_quan.j_id join quan on quan.q_id=role_quan.q_id")-> where("user.u_id=$u_id and quan.f_id=0")->group("quan.q_id")->select(); foreach($data as $k=>$v){ $arr=$this->join("user join user_role on user.u_id=user_role.u_id join role_quan on user_role.j_id=role_quan.j_id join quan on quan.q_id=role_quan.q_id")-> where("user.u_id=$u_id and quan.f_id=".$v['q_id'])->group("quan.q_id")->select(); $data[$k]['son']=$arr;}