我有这个多维数组,我想用'fecha'命令每个数组(我的意思是2017-02-20,然后是2017-02-21,然后是2017-02-22,最后是2017 -02-23)。我已经阅读了很多答案,但它们只能用于二维数组。我尝试过使用unsort和array_multisort,即使使用ksort bue我也无法获得期望的结果。order by key array multidimensional
Array
(
[0.10] => Array
(
[0] => Array
(
[fecha] => 2017-02-21
[tarifa] => 743.80
[percent] => 0.10
)
[1] => Array
(
[fecha] => 2017-02-22
[tarifa] => 743.80
[percent] => 0.10
)
[2] => Array
(
[fecha] => 2017-02-20
[tarifa] => 743.80
[percent] => 0
)
[3] => Array
(
[fecha] => 2017-02-23
[tarifa] => 743.80
[percent] => 0
)
)
[0.15] => Array
(
[0] => Array
(
[fecha] => 2017-02-21
[tarifa] => 743.80
[percent] => 0.15
)
[1] => Array
(
[fecha] => 2017-02-22
[tarifa] => 743.80
[percent] => 0.15
)
[2] => Array
(
[fecha] => 2017-02-20
[tarifa] => 743.80
[percent] => 0
)
[3] => Array
(
[fecha] => 2017-02-23
[tarifa] => 743.80
[percent] => 0
)
)
)