FilterIterator::key
(PHP 5 >= 5.1.0, PHP 7)
FilterIterator::key — Get the current key
Description
public FilterIterator::key ( ) : mixed
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
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/filteriterator.key.php