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Example code of bupt1987/html-parser

Informations about the package html-parser

HtmlParser

Total Downloads Build Status

php html解析工具，类似与PHP Simple HTML DOM Parser。 由于基于php模块dom，所以在解析html时的效率比 PHP Simple HTML DOM Parser 快好几倍。

注意：html代码必须是utf-8编码字符，如果不是请转成utf-8
如果有乱码的问题参考：http://www.fwolf.com/blog/post/314

现在支持composer

"require": {"bupt1987/html-parser": "dev-master"}

加载composer
require 'vendor/autoload.php';

================================================================================

Example

基础用法

// 查找所有a标签
$ret = $html->find('a');

// 查找a标签的第一个元素
$ret = $html->find('a', 0);

// 查找a标签的倒数第一个元素
$ret = $html->find('a', -1); 

// 查找所有含有id属性的div标签
$ret = $html->find('div[id]');

// 查找所有含有id属性为foo的div标签
$ret = $html->find('div[id=foo]');

高级用法

// 查找所有id=foo的元素
$ret = $html->find('#foo');

// 查找所有class=foo的元素
$ret = $html->find('.foo');

// 查找所有拥有 id属性的元素
$ret = $html->find('*[id]'); 

// 查找所有 anchors 和 images标记 
$ret = $html->find('a, img'); 

// 查找所有有"title"属性的anchors and images 
$ret = $html->find('a[title], img[title]');

层级选择器

// Find all <li> in <ul> 
$es = $html->find('ul li');

// Find Nested <div> tags
$es = $html->find('div div div'); 

// Find all <td> in <table> which class=hello 
$es = $html->find('table.hello td');

// Find all td tags with attribite align=center in table tags 
$es = $html->find('table td[align=center]');

嵌套选择器

// Find all <li> in <ul> 
foreach($html->find('ul') as $ul) 
{
       foreach($ul->find('li') as $li) 
       {
             // do something...
       }
}

// Find first <li> in first <ul> 
$e = $html->find('ul', 0)->find('li', 0);

属性过滤

支持属性选择器操作:

过滤  描述
[attribute] 匹配具有指定属性的元素.
[!attribute]    匹配不具有指定属性的元素。
[attribute=value]   匹配具有指定属性值的元素
[attribute!=value]  匹配不具有指定属性值的元素
[attribute^=value]  匹配具有指定属性值开始的元素
[attribute$=value]  匹配具有指定属性值结束的元素
[attribute*=value]  匹配具有指定属性的元素,且该属性包含了一定的值

Dom扩展用法

获取dom通过扩展实现更多的功能，详见：http://php.net/manual/zh/book.dom.php

/**
 * @var \DOMNode
 */
$oHtml->node

$oHtml->node->childNodes
$oHtml->node->parentNode
$oHtml->node->firstChild
$oHtml->node->lastChild
等等...

All versions of html-parser with dependencies

PHP Build Version
Package Version
Requires php Version >=5.5
ext-dom Version *
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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