根据值重新排列数组数据并更新密钥名称

here is one array:

这是一个数组:

$return = Array (
    [9:00] => Array (
        [0] => Array (
            [iScheduleID] => 13                    
            [iAdminID] => 4
            [vStaff] => Ms. Lily
            [vStudent] => Taylor Osborn
            [iPositionID] => 0
        ),
        [1] => Array (
            [iScheduleID] => 14
            [iAdminID] => 4
            [vStaff] => Ms. Lily
            [vStudent] => Smaran Meesala
            [iPositionID] => 0
        ),
        [2] => Array (
            [iScheduleID] => 1
            [iAdminID] => 3
            [vStaff] => Ms. Sanchita
            [vStudent] => Darian Newell
            [iPositionID] => 2
        ),     
        [4] => Array (
            [iScheduleID] => 26
            [iAdminID] => 5
            [vStaff] => Ms. Timberly
            [vStudent] => Layla Shunnarah
            [iPositionID] => 4
        ),
        [5] => Array (
            [iScheduleID] => 27
            [iAdminID] => 5
            [vStaff] => Ms. Timberly
            [vStudent] => Haidi Sanchez
            [iPositionID] => 4
        )
    )
)
$return = Array