php 二维数组时间排序实现代码

function arraySort($arr, $keys, $type = 'asc') {    $keysvalue = $new_array = array();    foreach ($arr as $k => $v){      $keysvalue[$k] = $v[$keys];    }    $type == 'asc' ? asort($keysvalue) : arsort($keysvalue);    reset($keysvalue);    foreach ($keysvalue as $k => $v) {      $new_array[$k] = $arr[$k];    }    return $new_array;  }$arr[] = array("name"=>"1","time"=>1) ;$arr[] = array("name"=>"2","time"=>2);arraySort($arr,"time","desc");