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Example code of zxf/dom

Informations about the package dom

zxf/dom - 强大的 PHP DOM 操作库

一个功能强大、易于使用的 PHP DOM 操作库，提供简洁的 API 来解析、查询和操作 HTML/XML 文档。

🇺🇸 Read English Documentation (README_EN.md)

特性

系统要求

安装

使用 Composer 安装

手动安装

快速开始

基本用法

从远程 URL 加载文档

注意： 从远程 URL 加载需要启用 cURL 扩展。

XML 文档处理

链式调用

支持的选择器

CSS 选择器（70+ 种）

基础选择器：

属性选择器：

伪类（60+ 种）：

伪元素：

XPath 选择器

API 参考

Document

代表 HTML/XML 文档的主文档类。

从远程 URL 加载文档

注意： 从远程 URL 加载需要启用 cURL 扩展。

Element

代表文档中的一个元素。

ClassAttribute

管理元素的类属性。

StyleAttribute

管理元素的样式属性。

Encoder

编码/解码工具类。

Errors

错误处理工具。

示例

示例 1：查找元素

示例 2：修改元素

示例 3：网页爬虫

示例 4：表格数据提取

性能优化建议

  1. 使用更具体的选择器 - 更具体的选择器速度更快

  2. 缓存查询结果 - 存储频繁使用的元素

  3. 使用 ID 选择器 - ID 选择器是最快的

测试

运行测试套件：

运行示例：

文档

贡献

欢迎贡献！请随时提交 Pull Request。

许可证

MIT License

支持

如有问题和疑问，请使用 GitHub 问题跟踪器。

版本: 2.0.0
最后更新: 2026-05-14

附录：快速参数参考

selectors 数组参数格式（findWithFallback）

extractTable 选项

extractList 选项

queryMatrix 选项

Document 类常用方法速查

方法 功能 参数
find() 查找元素 (expression, type='css', contextNode=null)
first() 查找首个 (expression, type='css', contextNode=null)
xpath() XPath 查询 (xpathExpression)
regex() 正则查找 (pattern, contextNode=null, attribute=null)
findByText() 文本查找 (text, selector='*')
findByAttribute() 属性查找 (attribute, value=null, selector='*')
findByData() data属性查找 (dataName, value=null, selector='*')
findByPath() 路径查找 (path, relative=false)
extractTable() 提取表格 (table=null, options=[])
extractList() 提取列表 (list=null, options=[])
extractFormData() 提取表单 (form=null)
findWithFallback() 回退查找 (selectors, contextNode=null, getFirst=true)
queryMatrix() 矩阵数据 (container='div', options=[])

详细完整参数说明请参考 src/docs/RULE_GUIDE.md（选择器规则说明文档）和 src/docs/USER_GUIDE.md（完整使用指南）。

All versions of dom with dependencies

PHP Build Version
Package Version
Requires php Version >=8.2
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