FilterIterator::key
(PHP 5 >= 5.1.0)
FilterIterator::key — Get the current key
说明
public mixed FilterIterator::key
( void
)
Warning 本函数还未编写文档,仅有参数列表。
Get the current key.
参见
- FilterIterator::next() - Move the iterator forward
- FilterIterator::current() - Get the current element value