3 // must be called POST validation
6 * Adds target="blank" to all outbound links. This transform is
7 * only attached if Attr.TargetBlank is TRUE. This works regardless
8 * of whether or not Attr.AllowedFrameTargets
10 class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform
13 * @type HTMLPurifier_URIParser
17 public function __construct()
19 $this->parser = new HTMLPurifier_URIParser();
24 * @param HTMLPurifier_Config $config
25 * @param HTMLPurifier_Context $context
28 public function transform($attr, $config, $context)
30 if (!isset($attr['href'])) {
34 // XXX Kind of inefficient
35 $url = $this->parser->parse($attr['href']);
36 $scheme = $url->getSchemeObj($config, $context);
38 if ($scheme->browsable && !$url->isBenign($config, $context)) {
39 $attr['target'] = '_blank';