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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\helpers;
/**
* BaseHtmlPurifier provides concrete implementation for [[HtmlPurifier]].
*
* Do not use BaseHtmlPurifier. Use [[HtmlPurifier]] instead.
*
* @author Alexander Makarov <sam@rmcreative.ru>
* @since 2.0
*/
class BaseHtmlPurifier
{
/**
* Passes markup through HTMLPurifier making it safe to output to end user.
*
* @param string $content The HTML content to purify
* @param array|\Closure|null $config The config to use for HtmlPurifier.
* If not specified or `null` the default config will be used.
* You can use an array or an anonymous function to provide configuration options:
*
* - An array will be passed to the `HTMLPurifier_Config::create()` method.
* - An anonymous function will be called after the config was created.
* The signature should be: `function($config)` where `$config` will be an
* instance of `HTMLPurifier_Config`.
*
* Here is a usage example of such a function:
*
* ```php
* // Allow the HTML5 data attribute `data-type` on `img` elements.
* $content = HtmlPurifier::process($content, function ($config) {
* $config->getHTMLDefinition(true)
* ->addAttribute('img', 'data-type', 'Text');
* });
* ```
*
* @return string the purified HTML content.
*/
public static function process($content, $config = null)
{
$configInstance = \HTMLPurifier_Config::create($config instanceof \Closure ? null : $config);
$configInstance->autoFinalize = false;
$purifier = \HTMLPurifier::instance($configInstance);
$purifier->config->set('Cache.SerializerPath', \Yii::$app->getRuntimePath());
$purifier->config->set('Cache.SerializerPermissions', 0775);
static::configure($configInstance);
if ($config instanceof \Closure) {
call_user_func($config, $configInstance);
}
return $purifier->purify($content);
}
/**
* Allow the extended HtmlPurifier class to set some default config options.
* @param \HTMLPurifier_Config $config
* @since 2.0.3
*/
protected static function configure($config)
{
}
}