WikiPage::getURL PHP Method

    public function getURL()
    {
        $url = Config::PATH;
        foreach ($this->path as $part) {
            $url .= '/' . strtr(str_replace('_', '%5F', urlencode($part)), '+', '_');
        }
        if ($this->object instanceof GitTree) {
            $url .= '/';
        }
        return $url;
    }

 public static function parseLinkTarget($ref)
 {
     $ref = strtr($ref, "\n", ' ');
     $parts = explode(':', $ref, 2);
     $valid = -1;
     if (count($parts) == 1) {
         $page = new WikiPage(explode('/', $ref));
         $valid = $page->isValid();
         $url = $page->getURL();
     } else {
         if ($parts[0] == 'wp') {
             $url = 'http://en.wikipedia.org/wiki/' . strtr(implode('/', array_map('urlencode', explode('/', $parts[1]))), '+', '_');
             $ref = $parts[1] . ' (Wikipedia)';
         } else {
             $url = $ref;
         }
     }
     return array($url, $ref, $valid);
 }