/**
* Given a set of content, filter the content by normalizing the content
*
* @since 5.0
* @access public
* @param string
* @return
*/
public function filterHtml($content = '')
{
static $filter;
static $filterType;
// If filter hasn't been initialized before, do it now.
if (!isset($filter)) {
jimport('joomla.filter.filterinput');
// Get tags & attributes that should be stripped.
$filterTags = EasyBlogAcl::getFilterTags();
$filterAttrs = EasyBlogAcl::getFilterAttributes();
$filterType = 'html';
// Create filter instance.
$filter = JFilterInput::getInstance($filterTags, $filterAttrs, 1, 1, 0);
$filter->tagBlacklist = $filterTags;
$filter->attrBlacklist = $filterAttrs;
// Disable filtering if there's nothing to filter
if (count($filterTags) < 1 && count($filterAttrs) < 1) {
$filter = false;
}
}
// If we can skip filtering, just return content.
if ($filter == false) {
return $content;
}
// Strip blacklisted tags & attributes.
return $filter->clean($content, $filterType);
}
