Php/docs/arrayiterator.rewind
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ArrayIterator::rewind
(PHP 5, PHP 7)
ArrayIterator::rewind — Rewind array back to the start
说明
public ArrayIterator::rewind ( ) : void
This rewinds the iterator to the beginning.
参数
此函数没有参数。
返回值
没有返回值。
范例
Example #1 ArrayIterator::rewind() example
<?php$arrayobject = new ArrayObject();$arrayobject[] = 'zero';$arrayobject[] = 'one';$arrayobject[] = 'two';$iterator = $arrayobject->getIterator();$iterator->next();echo $iterator->key(); //1$iterator->rewind(); //rewinding to the beginningecho $iterator->key(); //0?>