PHP Manual
TokyoTyrantIterator
Rewinds the iterator

TokyoTyrantIterator::valid

(PECL tokyo_tyrant >= 0.2.0)

TokyoTyrantIterator::valid — 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

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