MultipleIterator::key
(PHP 5 >= 5.3.0, PHP 7)
MultipleIterator::key — Gets the registered iterator instances
설명
public array MultipleIterator::key
( void
)
Get the registered iterator instances key() result.
Warning
이 함수는 현재 문서화 되어있지 않습니다; 인수 목록만을 제공합니다.
인수
이 함수는 인수가 없습니다.
반환값
An array of all registered iterator instances,
or FALSE if no sub iterator is attached.
오류/예외
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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