SplHeap::rewind
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplHeap::rewind — Rewind iterator back to the start (no-op)
说明
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.
参数
此函数没有参数。
返回值
没有返回值。
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