MultipleIterator::key

(PHP 5 >= 5.3.0, PHP 7)
Gets the registered iterator instances
public array MultipleIterator::key ( void )

Get the registered iterator instances key() result.

Returns:

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

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

Exception:

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".

See also:

MultipleIterator::current() -

doc_php
2016-02-24 16:19:59
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