EmptyIterator::key
EmptyIterator::key
(PHP 5 >= 5.1.0, PHP 7)
EmptyIterator::key — The key() method
Description
public scalar EmptyIterator::key ( void )
This function must not be called. It throws an exception upon access.
Warning
This function is currently not documented; only its argument list is available.
Parameters
This function has no parameters.
