FilterIterator::key
(PHP 5 >= 5.1.0)
FilterIterator::key — Get the current key
Description
Warning
This function is currently not documented; only its argument list is available.
Get the current key.
Parameters
This function has no parameters.
Return Values
The current key.
See Also
- FilterIterator::next() - Move the iterator forward
- FilterIterator::current() - Get the current element value