Derick Rethans has posted about new versions of two PHP extensions with "very distinctive purposes" - VLD and translit.

VLD is for the "hardcore hackers" out there to see what's happening behind the scenes for each request made to PHP and the translit extension makes it easier to "transliterate" information into other formats (with filters like "normalize_numbers" and converting text to Chinese).

You can grab the updated version through the standard pecl interface or from their pages on the PECL site.