php生成无限栏目树

2,'cname' => '新闻','pid' => 0),Array('cid' => 4,'cname' =>'体育',Array('cid' => 5,'cname' => '娱乐',Array('cid' => 7,'cname' => '热点新闻','pid' =>2),Array('cid' => 8,'cname' => '小众新闻','pid' => 2),Array('cid' => 9,'cname' => '民谣新闻','pid' => 8),);

2,); function formatTree($array,$pid = 0,$level = 1,$field = array('pid'=>'pid','id'=>'id','children'=>'children')){ $arr = array(); foreach ($array as &$v) { if ($v[$field['pid']] == $pid) { $v['level'] = $level; $tem = formatTree($array,$v[$field['id']],$v['level']+1,$field); //判断是否存在子数组 $tem && $v[$field['children']] = $tem; $arr[] = $v; } } return $arr; } $tree = formatTree( $arr,1,'id'=>'cid','children'=>'children') ); echo '

';
print_r( $tree); 
?>