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  • SplDoublyLinkedList::rewind()

    (PHP 5 >= 5.3.0, PHP 7)

    Rewind iterator back to the start

    说明

    publicSplDoublyLinkedList::rewind(void) : 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。

    $dll = new SplDoublyLinkedList();
    $dll->push(2);
    $dll->push(3);
    $dll->unshift(5);
    $dll->rewind(); // starting from beginning without this it will not work
    while($dll->valid()){
      echo $dll->current()."\n";
      $dll->next();
    }
    //Output
    5
    2
    3