PHP Manual
IteratorIterator
Rewind to the first element

IteratorIterator::rewind

(PHP 5 >= 5.1.0, PHP 7)

IteratorIterator::rewind — Rewind to the first element

说明

public IteratorIterator::rewind ( void ) : void

Rewinds to the first element.

参数

此函数没有参数。

返回值

没有返回值。

参见

IteratorIterator::next() - Forward to the next element
IteratorIterator::valid() - Checks if the iterator is valid

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