WordPress is abandoning support for PHP4 and MySQL 4 in version 3.1. This will allow them to incorporate many of the features in PHP5 they haven't been able to do yet such as stronger OOP.
It doesn't need a rewrite. Instead, work with the many brilliant devs who have been improving it for years and know it inside-and-out -- including its flaws and areas for improvement.
http://wordpress.org/news/2010/07/eol-for-php4-and-mysql4/
It doesn't need a rewrite. Instead, work with the many brilliant devs who have been improving it for years and know it inside-and-out -- including its flaws and areas for improvement.