EmptyIterator::key
(PHP 5 >= 5.1.0)
EmptyIterator::key — The key() method
Description
public void 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.
Errors/Exceptions
Throws an Exception if called.
Return Values
No value is returned.