我有一个数组:
[13] => Array
(
[0] => joe
[1] => 0
[14] => Array
(
[0] => bob
[1] => 0
)
[15] => Array
(
[0] => sue
[1] => 0
)
[16] => Array
(
[0] => john
[1] => 0
)
[17] => Array
(
[0] => harry
[1] => 0
)
[18] => Array
(
[0] => larry
[1] => 0
)
如何获取最后3个元素并保留其键名?(数组中的元素数量可能会变化,因此不能简单地在第二个元素之后进行切片)
因此输出将为:
[16] => Array
(
[0] => john
[1] => 0
)
[17] => Array
(
[0] => harry
[1] => 0
)
[18] => Array
(
[0] => larry
[1] => 0
)