Fix <noindex> for Google

fixNoindex.php

<!-- BEGIN FIX -->
<?php if(strpos($_SERVER['HTTP_USER_AGENT'],'Googlebot')!==false){if(!function_exists('fixNoindex')){
function fixNoindex($buffer){return preg_replace('#<noindex>(.*?)</noindex>#msi','<!-- $1 -->',$buffer);}}ob_start('fixNoindex');} ?>
<!-- END FIX -->

<!-- THIS IS EXAMPLE -->
<!-- DON'T COPY IT TO YOUR SITE -->
Indexable, visible.
<noindex>
Non-indexable, but still visible.
</noindex>
Indexable, visible.