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MultipleIterator::keyGets the registered iterator instances


public MultipleIterator::key(): array|false

Get the registered iterator instances key() result.


This function is currently not documented; only its argument list is available.


This function has no parameters.

Return Values

An array of all registered iterator instances, or false if no sub iterator is attached.


A LogicException if mode MIT_NEED_ALL is set, and at least one attached iterator is not valid.

Calling this method from foreach triggers warning "Illegal type returned".

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