php - 如何根据 php 中的数据库字段值对日期进行分组

Question

我保留公司的工作时间。如何根据工作时间对日期进行分组？

我想要这样的输出

Sunday, Saturday 00:00:00 to  00:00:00
Monday, Tuesday, Wednesday, Thursday 10:00:00 to 18:00:00
Friday 10:00:00 to 13:00:00

查询输出:

Array
(
[0] => Array
    (
        [id] => 8
        [member_id] => 926
        [day] => sunday
        [from_time] => 08:00:00
        [to_time] => 16:00:00
        [created_id] => 926
        [created] => 2013-12-13 08:33:03
    )

[1] => Array
    (
        [id] => 9
        [member_id] => 926
        [day] => monday
        [from_time] => 10:00:00
        [to_time] => 18:00:00
        [created_id] => 926
        [created] => 2013-12-13 08:33:03
    )

[2] => Array
    (
        [id] => 10
        [member_id] => 926
        [day] => tuesday
        [from_time] => 00:00:00
        [to_time] => 00:00:00
        [created_id] => 926
        [created] => 2013-12-13 08:33:03
    )

[3] => Array
    (
        [id] => 11
        [member_id] => 926
        [day] => wednesday
        [from_time] => 00:00:00
        [to_time] => 00:00:00
        [created_id] => 926
        [created] => 2013-12-13 08:33:03
    )

[4] => Array
    (
        [id] => 12
        [member_id] => 926
        [day] => thursday
        [from_time] => 00:00:00
        [to_time] => 00:00:00
        [created_id] => 926
        [created] => 2013-12-13 08:33:03
    )

[5] => Array
    (
        [id] => 13
        [member_id] => 926
        [day] => friday
        [from_time] => 00:00:00
        [to_time] => 00:00:00
        [created_id] => 926
        [created] => 2013-12-13 08:33:04
    )

[6] => Array
    (
        [id] => 14
        [member_id] => 926
        [day] => saturday
        [from_time] => 00:00:00
        [to_time] => 00:00:00
        [created_id] => 926
        [created] => 2013-12-13 08:33:04
    )

)

我该怎么做？

Answer 1

SELECT GROUP_CONCAT(day) days, CONCAT(from_time, ' to ', to_time) times
FROM yourTable
GROUP BY from_time, to_time