SplHeap::rewind

(PHP 5 >= 5.3.0, PHP 7)

SplHeap::rewind — Rewind iterator back to the start (no-op)

public SplHeap::rewind ( void ) : void

This rewinds the iterator to the beginning. This is a no-op for heaps as the iterator is virtual and in fact never moves from the top of the heap.

此函数没有参数。

没有返回值。