Sanitizer::clean

static function clean($html)
{
	$tags = self::getTags() + array(
		'html' => array('xmlns'),
		'head' => array(),
		'body' => array(),
		'meta' => array('content', 'name', 'http-equiv'),
		'title' => array(),
		'style' => array(Editor::STYLIST_TAG_ATTR, 'type'),
		'link' => array('type', 'rel', 'href'),
	);

	$commonAttributes = self::getCommonAttributes();
	foreach ($tags as $tagName => $attributes)
	{
		$tags[$tagName] = array_merge($attributes, $commonAttributes);
	}

	$sanitizer = new CBXSanitizer();
	$sanitizer->setLevel(CBXSanitizer::SECURE_LEVEL_LOW);
	$sanitizer->addTags($tags);
	$sanitizer->allowAttributes([
		Editor::BLOCK_PHP_ATTR => [
			'tag' => function ()
			{
				return true;
			},
			'content' => function ()
			{
				return true;
			},
		]
	]);
	$sanitizer->applyDoubleEncode(false);

	$storedMap = self::replacePhpToTags($html);
	$html = $sanitizer->sanitizeHtml($html);
	self::replaceTagsToPhp($html, $storedMap);

	return $html;
}