来自仅具有childids的结构的递归数组

I have a structure like this

我有这样的结构

$list = array(
  array('code'=>1,'children'=>array(2,3),'name'=>'number one'),
  array('code'=>2,'children'=>array(4),'name'=>'number two'),
  array('code'=>3,'children'=>array(5,6),'name'=>'number three'),
  array('code'=>4,'children'=>array(7),'name'=>'number four'),
  array('code'=>5,'children'=>array(),'name'=>'number five'),
  array('code'=>6,'children'=>array(8),'name'=>'number six'),
  array('code'=>7,'children'=>array(),'name'=>'number seven'),
  array('code'=>8,'children'=>array(),'name'=>'number eight')
);
$list