无限分类

无限分类函数，你懂得 源数据格式：$arr = array(array(id=1, name=分类1, parentId=0),。。。); 无 function category($data, $parentId=0){$category = array();foreach ($data as $key=$value){if ($value['parentId'] == $parentId){unset($data[$key]);$

无限分类函数，你懂得
源数据格式：$arr = array(array('id'=>1, 'name'=>'分类1', 'parentId'=>0),。。。);

function category(&$data, $parentId=0)
{
	$category = array();
	foreach ($data as $key=>$value)
	{
		if ($value['parentId'] == $parentId)
		{
			unset($data[$key]);
			$value['child'] = category($data, $value['id']);
			$category[] = $value;
		}
	}
	return $category;
}