TokyoTyrantIterator::valid()
(PECL tokyo_tyrant >= 0.2.0)
Rewinds the iterator
说明
public TokyoTyrantIterator::valid(void): bool
Checks whether the internal pointer points to valid element.
参数
此函数没有参数。
返回值
Returns TRUE
if the current item is valid and FALSE
if not.
参见
- TokyoTyrantIterator::key() Returns the current key
- TokyoTyrantIterator::current() Get the current value
- TokyoTyrantIterator::next() Move to next key
- TokyoTyrantIterator::rewind() Rewinds the iterator