我可以帮您进行翻译。以下是需要翻译的内容:
我有一个简单的二维数组,像这样:
Array
(
[0] => Array
(
[0] => abc
[1] => 123
[2] => aaaaa
)
[1] => Array
(
[0] => def
[1] => 456
[2] => ddddd
)
[2] => Array
(
[0] => ghi
[1] => 789
[2] => hhhhhhh
)
)
我想编写一个高效的函数,该函数将返回每个子数组的前'n'列组成的数组。换句话说,如果n=2,则返回的数组应为:
Array
(
[0] => Array
(
[0] => abc
[1] => 123
)
[1] => Array
(
[0] => def
[1] => 456
)
[2] => Array
(
[0] => ghi
[1] => 789
)
)