Analysis of PHP plugin htmlpurifier HTML parser

This article is the PHP plug-in htmlpurifier HTML parser for a detailed analysis of the introduction, the need for friends to refer to the

Use of Htmlpurifier Plug-ins
Download Htmlpurifier Plugin
The useful part of the Htmlpurifier plugin is the library

using Htmlpurifier Library class libraries
The first Way

Copy Code code as follows:


<?php


require_once ' HTMLPurifier.auto.php ';


$config = Htmlpurifier_config::createdefault ();


?>

or

Copy Code code as follows:


<?php


require_once ' HTMLPurifier.includes.php ';


require_once ' HTMLPurifier.autoload.php ';


$config = Htmlpurifier_config::createdefault ();


?>

An example from the official website is

Copy Code code as follows:


require_once ' HTMLPurifier.auto.php ';

what my colleagues used to do

Copy Code code as follows:


require_once ' HTMLPurifier.includes.php ';


require_once ' HTMLPurifier.autoload.php ';

set $config
Configdoc
http://htmlpurifier.org/live/configdoc/plain.html
Example

Copy Code code as follows:


$config->set (' HTML. Allowedelements ', Array (' div ' =>true, ' table ' =>true, ' tr ' =>true, ' TD ' =>true, ' BR ' =>true));


$config->set (' HTML. Doctype ', ' XHTML 1.0 Transitional ')//html document type (permanent)


$config->set (' core.encoding ', ' UTF-8 ')//character encoding (permanent)

HTML-allowed elements
div elements, table elements, TR elements, TD elements, BR elements
New Htmlpurifier Object

Copy Code code as follows:


$purifier = new Htmlpurifier ($config);

To invoke the purify method of the Htmlpurifier object

Copy Code code as follows:


$puri _html = $purifier->purify ($html);

The second way
Customizing a class htmlpurifier.php

Copy Code code as follows:


<?php


require_once ' HTMLPurifier.includes.php ';


require_once ' HTMLPurifier.autoload.php ';


class Resume_htmlpurifier implements zend_filter_interface{


protected $_htmlpurifier = null;


Public Function __construct ($options = null)


{


$config = Htmlpurifier_config::createdefault ();


$config->set (' code.encoding ', ' UTF-8 ');


$config->set (' HTML. Doctype ', ' XHTML 1.0 Transitional ')


if (!is_null ($options)) {


foreach ($options as $option) {


$config->set ($option [0], $option [1], $option [2]);


}


}


$this->_htmlpurifier = new Htmlpurifier ($config);


}


Public Function Filter ($value)


{


return $this->_htmlpurifier->purify ($value);





}


}


?>

Set CONFIG information
For example:

Copy Code code as follows:


$conf = Array (


Array (' HTML. Allowedelements ',


Array (


' div ' => true,


' table ' => true,


' tr ' => true,


' TD ' => True,


' BR ' => true,


),


false),//Allow Property div table tr td br Element


Array (' HTML. Allowedattributes ', Array (' class ' => TRUE), false),//Allow property class


Array (' attr.forbiddenclasses ', Array (' resume_p ' => TRUE), false),//Prohibit classes such as


Array (' Autoformat.removeempty ', true, false),//go to space


Array (' AutoFormat.RemoveEmpty.RemoveNbsp ', true, false),//go to nbsp


Array (' URI. Disable ', True, false],


);

Call

Copy Code code as follows:

$p = new Resume_htmlpurifier ($conf);
$puri _html = $p->filter ($html);