(PHP 5 >= 5.3.0)
MultipleIterator::current — Gets the registered iterator instances
Get the registered iterator instances current() result.
本函数还未编写文档，仅有参数列表。
此函数没有参数。
An array containing the current values of each attached iterator,
or FALSE if no iterators are attached.
A RuntimeException if mode MIT_NEED_ALL
is set and at least one attached iterator is not valid. Or an
IllegalValueException if a key is NULL and
MIT_KEYS_ASSOC is set.