Du libre et du sport

public static function publicHeadContent($core, $_ctx) {
	if ($core->blog->settings->shortURL->shortURLEnabled) {
		$types = $core->getPostTypes();
		foreach ($types as $k => $v) {
				$urltype[$k] = preg_replace('/\/%s/','',$types[$k]['public_url']);
			}
		//print_r($urltype);
		if (array_key_exists($core->url->type, $urltype)) {
			if ($GLOBALS['core']->blog->settings->shortURL->shortURLEvenShorter) {
				$id = dcShortURL::idConversion($_ctx->posts->post_id);
			} else {
				$id = $_ctx->posts->post_id;
			}
			$url = $core->blog->url.$core->url->getBase("shortURL").'/'.rawurlencode($id);
			echo '<link rel="shortlink" type="text/html" href="'.$url.'" />';
		}
	}
}