function rss_permissions_preprocess_page in RSS Permissions 6

Implementation of theme_preprocess_page(). Use regex to remove RSS link from HEAD, if the user has no permission for that feed.

File

./rss_permissions.module, line 274

Code

function rss_permissions_preprocess_page(&$vars) {
  if (preg_match('/<link rel="alternate" type="application\\/rss\\+xml" title=".*?" href="(.*?)" \\/>/', $vars['head'], $matches)) {

    // $matches[1] is the URL to the feed.
    if (!empty($matches[1]) && !rss_permissions_feed_url_access($matches[1])) {
      $vars['head'] = preg_replace('/<link rel="alternate" type="application\\/rss\\+xml" title=".*?" href="' . addcslashes($matches[1], '/') . '" \\/>\\n/', '', $vars['head']);
    }
  }
}