PHP
数组$result=
Array
(
[0] => Array
(
[id] => 5
[activity_id] => 2
[applyid] => 5
[signedtime] => 1463056434
[typeid] => 1
[name] => 王
[mobile] =>
)
[1] => Array
(
[id] => 8
[activity_id] => 2
[applyid] => 5
[signedtime] => 1463074455
[typeid] => 3
[name] => 王
[mobile] =>
)
[2] => Array
(
[id] => 16
[activity_id] => 2
[applyid] => 6
[signedtime] => 1463036123
[typeid] => 4
[name] => zhang
[mobile] =>
)
)
数组$signedtime=
Array
(
[0] => Array
(
[id] => 1
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 一次签到
[create_time] => 1465181547
[listorder] => 0
[sign_img] =>
[type] =>
)
[1] => Array
(
[id] => 3
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 二次签到
[create_time] => 1465182225
[listorder] => 0
[sign_img] =>
[type] =>
)
[2] => Array
(
[id] => 4
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 三次签到
[create_time] => 1465189536
[listorder] => 0
[sign_img] =>
[type] =>
)
)
要求结果：
Array
(
[0] => Array
(
[activity_id] => 2
[name] => 王
[mobile] =>
[signed] => Array
(
[0] => Array
(
[id] => 1
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 一次签到
[create_time] => 1465181547
[listorder] => 0
[sign_img] =>
[type] =>
[time] =>1463056434
)
[1] => Array
(
[id] => 3
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 二次签到
[create_time] => 1465182225
[listorder] => 0
[sign_img] =>
[type] =>
[time] =>1463074455
)
[2] => Array
(
[id] => 4
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 三次签到
[create_time] => 1465189536
[listorder] => 0
[sign_img] =>
[type] =>
[time]=>
)
)
)
[1] => Array
(
[activity_id] => 2
[name] => zhang
[mobile] =>
[signed] => Array
(
[0] => Array
(
[id] => 1
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 一次签到
[create_time] => 1465181547
[listorder] => 0
[sign_img] =>
[type] =>
[time] =>
)
[1] => Array
(
[id] => 3
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 二次签到
[create_time] => 1465182225
[listorder] => 0
[sign_img] =>
[type] =>
[time] =>
)
[2] => Array
(
[id] => 4
[activityid] => 2
[activityname] => 测试数据2多次签到
[signedname] => 三次签到
[create_time] => 1465189536
[listorder] => 0
[sign_img] =>
[type] =>
[time]=>1463036123
)
)
)
)
其中$result中applyid相同的合并，$result中的replyid等于$signedname中的id
