Deprecated: Optional parameter $keys declared before required parameter $cms_id is implicitly treated as a required parameter in /home/www/dev/work/class/blog/CmsKey.php on line 75

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$title is deprecated in /home/www/dev/work/website/lvesu/class/controller/blog/php.php on line 28

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$outlink is deprecated in /home/www/dev/work/website/lvesu/template/blog/cms/php.manual.tpl on line 2

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$status is deprecated in /home/www/dev/work/website/lvesu/template/blog/index.head.php on line 2
PHP - Manual: SimpleXMLElement::rewind - 互联网笔记

略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: SimpleXMLElement::rewind

2025-05-09

SimpleXMLElement::rewind

(PHP 8)

SimpleXMLElement::rewindRewind to the first element

说明

public SimpleXMLElement::rewind(): void
警告

Prior to PHP 8.0, SimpleXMLElement::rewind() was only declared on the subclass SimpleXMLIterator.

This method rewinds the SimpleXMLElement to the first element.

参数

此函数没有参数。

返回值

没有返回值。

示例

示例 #1 Rewind to the first element

<?php
$xmlElement
= new SimpleXMLElement('<books><book>PHP Basics</book><book>XML Basics</book></books>');
$xmlElement->rewind();

var_dump($xmlElement->current());
?>

以上示例会输出:

object(SimpleXMLElement)#2 (1) {
  [0]=>
  string(10) "PHP Basics"
}
添加备注

用户贡献的备注

此页面尚无用户贡献的备注。

官方地址:https://www.php.net/manual/en/simplexmlelement.rewind.php

冷却塔厂家 广告
中文GPT4.0无需注册 广告
北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3