1.数据准备
$arr = [
['id'=>1,'name'=>'四川','parent'=>0],
['id'=>2,'name'=>'广东','parent'=>0],
[...'id'=>3,'name'=>'成都','parent'=>1],
['id'=>4,'name'=>'德阳','parent'=>1],
['id'=>5,'name'=>'南充',...[parent] => 3
)
[3] => Array
(
[id] => 4
[name] => 德阳...";
}
输出如下
----成都
--------华阳县
--------金牛区
----德阳
--------罗江区
--------旌阳区
----南充
--------营山县
----...basetree($arr,16));
返回结果
Array
(
[0] => Array
(
[id] => 1
[name] => 四川