function array_sort($arr,$keys,$orderby="asc"){$keysvalue = $new_array = array();foreach ($arr as $k=>$v){$keysvalue[$k] = $v[$keys];}if($orderby== "asc"){asort($keysvalue);}else{arsort($keysvalue);}reset($keysvalue);foreach ($keysvalue as $k=>$v){$new_array[] = $arr[$k];}return $new_array;}希望本文所述对大家的php程序设计有所帮助。