配列の並べ替えに関連する問題に直面しています。ポイントに従ってこの配列をソートしたい。助けてください、事前に感謝します
Array
(
[5] => Array
(
[0] => Array
(
[feedbacks] => Array
(
[emp_name] => test test
)
[0] => Array
(
[point] => 19
)
)
)
[9] => Array
(
[0] => Array
(
[feedbacks] => Array
(
[emp_name] => a
)
[0] => Array
(
[point] => 5
)
)
)
[8] => Array
(
[0] => Array
(
[feedbacks] => Array
(
[emp_name] => b
)
[0] => Array
(
[point] => 23
)
)
)
[4] => Array
(
[0] => Array
(
[feedbacks] => Array
(
[emp_name] => c
[0] => Array
(
[point] => -1
)
)
)
)