包简介

A PHP implementations of a HTML parser based on the WHATWG HTML5 specification.

README 文档

README

This is an implementation of the tokenization and tree-building parts of the HTML5 specification in PHP. Potential uses of this library can be found in web-scrapers and HTML filters.

Warning: This is a pre-alpha release, and as such, certain parts of this code are not up-to-snuff (e.g. error reporting and performance). However, the code is very close to spec and passes 100% of tests not related to parse errors. Nevertheless, expect to have to update your code on the next upgrade.

Usage notes

<?php
use HTML5Lib\Parser;
$dom = Parser::parse('<html><body>...');
$nodelist = Parser::parseFragment('<b>Boo</b><br>');
$nodelist = Parser::parseFragment('<td>Bar</td>', 'table');
?>

Documentation

Parser::parse($text)
    $text  : HTML to parse
    return : DOMDocument of parsed document

Parser::parseFragment($text, $context)
    $text    : HTML to parse
    $context : String name of context element
    return   : DOMDocument of parsed document

Developer notes

To setup unit tests, you need to add a small stub file test-settings.php that contains $simpletest_location = 'path/to/simpletest/'; This needs to be version 1.1 (or, until that is released, SVN trunk) of SimpleTest.
We don't want to ultimately use PHP's DOM because it is not tolerant of certain types of errors that HTML 5 allows (for example, an element "foo@bar"). But the current implementation uses it, since it's easy. Eventually, this html5lib implementation will get a version of SimpleTree; and may possibly start using that by default.
The original implementation of this performed line and column tracking in place. However, it was found that this approximately doubled the runtime of tokenization, so we decided to take a more optimistic approach: only calculate line/column numbers when explicitly asked to. This is slower if we attempt to calculate line/column numbers for everything in the document, but if there is a small enough number of errors it is a great improvement.

electrolinux/php-html5lib 适用场景与选型建议

electrolinux/php-html5lib 是一款基于 PHP 开发的 Composer 扩展包，目前已累计 200.34k 次下载、GitHub Stars 达 4，最近一次更新时间为 2013 年 03 月 18 日，在 PHP 生态内属于活跃度较高的组件。

它主要适用于以下技术方向：「php」「HTML5」等业务场景。在实际项目中，围绕这些方向常见需要落地的问题包括：接口对接、性能调优、并发安全、与既有框架（Laravel / ThinkPHP / Yii / Webman 等）的兼容适配，以及生产环境的日志埋点与稳定性保障。

我们在过去多个企业项目中使用过 electrolinux/php-html5lib 或与其功能相近的方案，如果你在选型或落地过程中遇到问题，例如 版本兼容、二次改造、私有化封装、与内部系统对接、生产 BUG 排查，欢迎联系我们协助评估。

围绕 electrolinux/php-html5lib 我们能提供哪些服务？

定制开发 / 二次开发

基于 electrolinux/php-html5lib 在你已有业务上做功能扩展、字段裁剪、UI 适配、与内部账号 / 权限 / 日志系统的深度对接。

BUG 修复 & 性能优化

线上偶发问题、内存泄漏、慢查询、并发异常等排查修复；针对高流量场景做缓存、队列、索引层面的调优。

项目外包 & 长期维护

承接完整的项目从需求 → 设计 → 开发 → 上线 → 长期运维；也可按月提供技术保姆服务。

yvsm@zunyunkeji.com QQ：316430983 微信：yvsm316 西安尊云信息科技 · 专注 PHP / Go / 分布式系统研发

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包简介

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