The PHP development team has released PHP 5.3.0, major improvement in the 5X series, which includes a large number of new features and bug fixes. Some of these include: support for namespaces; late static binding; Lambda Functions and Closures; syntax additions; performance improvements and optional garbage collection for cyclic references. Other additions are: optional mysqlnd PHP native replacement for libmysql; more consistent float rounding; deprecation notices now handled via E_DEPRECATED (part of E_ALL) instead of the lLSTillCT error level; several enhancements to enable more flexibility in php. ini (and ini parsing in general); new bundled extensions like ext/phar, ext/intl, ext/fiJeinfo, ext/sqlite3, ext/ enchant; and over 140 bug fixes and improvements to PHP. in particular to: ext/openssl, ext/spl and ext/ date. For users upgrCl;ding from PHP 5.2, consult the migration guide available at php.net/migration53.