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  • LimitIterator::key()

    (PHP 5 >= 5.1.0, PHP 7)

    Get current key

    说明

    publicLimitIterator::key( void) : mixed

    Gets the key for the current item in the inner Iterator.

    参数

    此函数没有参数。

    返回值

    Returns the key for the current item.

    参见

    • LimitIterator::getPosition() Return the current position
    • LimitIterator::current() Get current element
    • LimitIterator::next() Move the iterator forward
    • LimitIterator::rewind() Rewind the iterator to the specified starting offset
    • LimitIterator::seek() Seek to the given position
    • LimitIterator::valid() Check whether the current element is valid