php二维数组根据指定键值重新排序 /** * @Notes: * 二维数组根据指定键值重新排序 * @Interface arr_sort * @author [MengShuai] [<133814250@qq.com>] */ public static function arr_sort($arr,$field='id',$order='SORT_ASC'){ $sort = array( 'order' => $order, //排序顺序标志 SORT_DESC 降序；SORT_ASC 升序 'field' => $field, //排序字段 ); $arrSort = array(); foreach($arr AS $uniqid => $row){ foreach($row AS $key=>$value){ $arrSort[$key][$uniqid] = $value; } } if($sort['order']){ array_multisort($arrSort[$sort['field']], constant($sort['order']), $arr); } return $arr; } 测试数据： $userdb = array( 0 => array( 'uid' => 100, 'name' => 'Sandra Shush', 'url' => 'urlof100' ), 1 => array( 'uid' => 5465, 'name' => 'Stefanie Mcmohn', 'pic_square' => 'urlof100' ), ); 调用方法： $userdb = arr_sort($userdb,$field='uid',$order='SORT_DESC'); 打印方法： var_export($userdb); 打印结果： array ( 0 => array ( 'uid' => 5465, 'name' => 'Stefanie Mcmohn', 'pic_square' => 'urlof100', ), 1 => array ( 'uid' => 100, 'name' => 'Sandra Shush', 'url' => 'urlof100', ), )