/**
* Validates the XML to only allow tags defined in the DTD
*
* @param string $html_content
* @return string - DTD valid XML
*/
function anno_validate_xml_content_on_save($html_content)
{
// Strip all tags not defined by DTD
$content = anno_to_xml($html_content);
// Convert remaining br to break tags. Unable to do this with phpQuery, it thinks break tag should be opened and closed
$content = str_replace(array('<br />', '<br>'), '<break />', $content);
$content = str_replace(' ', ' ', $content);
$content = strip_tags($content, implode('', array_unique(anno_get_dtd_valid_elements())));
return $content;
}
function anno_xslt_transform($content, $action = 'xml')
{
error_reporting(-1);
ini_set('error_reporting', E_ALL);
// HTML->XML
if ($action == 'xml') {
$content = trim(anno_to_xml($content));
} else {
$content = trim(anno_process_editor_content($content));
}
error_reporting(0);
return $content;
}