PHP5.3 系列是个跨越了之前PHP5.2系列的很多功能,完善了面向对象和空间方面的功能。使得PHP功能更加完善和强大,也是之前传说的PHP6的内容。可能是命名的问题所以改名为php5.3。建议大家转入PHP5.3系列 

php5.2.15 也同时发布,弥补之前PHP5.2系列中的不足,仅仅是在安全和漏洞上面完善

 PHP是一种新型的CGI程序编写语言,易学易用,运行速度快,可以方便快捷地编写出功能强大,运行速度快,并可同时运行于 Windows、Unix、Linux平台的Web后台程序, 内置了对文件上传、密码认证、Cookies操作、邮件收发、动态GIF生成等功能,PHP 直接为很多数据库提供原本的连接,包括Oracle、Sybase、Postgres、Mysql、Informix、Dbase、Solid、 Access等,完全支持ODBC接口,用户更换平台时,无需变换PHP代码,可即拿即用.

Security Enhancements and Fixes in PHP 5.3.4:

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  • Fixed crash in zip extract method (possible CWE-170).
  • Paths with NULL in them (foo\0bar.txt) are now considered as invalid (CVE-2006-7243).
  • Fixed a possible double free in imap extension (Identified by Mateusz Kocielski). (CVE-2010-4150).
  • Fixed NULL pointer dereference in ZipArchive::getArchiveComment. (CVE-2010-3709).
  • Fixed possible flaw in open_basedir (CVE-2010-3436).
  • Fixed MOPS-2010-24, fix string validation. (CVE-2010-2950).
  • Fixed symbolic resolution support when the target is a DFS share.
  • Fixed bug #52929 (Segfault in filter_var with FILTER_VALIDATE_EMAIL with large amount of data) (CVE-2010-3710).

Key Bug Fixes in PHP 5.3.4 include:

  • Added stat support for zip stream.
  • Added follow_location (enabled by default) option for the http stream support.
  • Added a 3rd parameter to get_html_translation_table. It now takes a charset hint, like htmlentities et al.
  • Implemented FR #52348, added new constant ZEND_MULTIBYTE to detect zend multibyte at runtime.
  • Multiple improvements to the FPM SAPI.
  • Over 100 other bug fixes.

下载 http://www.php.net/downloads.php