FilterIterator::key
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
FilterIterator::key — Get the current key
參數
此函式沒有參數。
返回值
The current key.
參見
- FilterIterator::next() - Move the iterator forward
- FilterIterator::current() - Get the current element value
Wellcome to Web4Theme!