Changes to the Windows releases:
The minimum Windows version is now Windows XP SP3; Windows 98, ME, 2000 and NT4
are no longer supported.
Windows binaries now target i586 and later. i386 and i486 are not
There is now experimental support for x64 versions of PHP on Windows.
There is now compiler support for Visual C++ 9 (VC9), using Visual Studio
2008. Snapshots and releases will now also be available for VC9. Old
binaries using VC6 are still supported and released in the line with VC9.
php_pdo_oci8.dll library (for use with Oracle version 8
client libraries) is no longer being built. Instead, use
php_pdo_oci.dll (note no '8') with Oracle 10 or 11
client libraries. Connection to other database versions is still supported.
For the OCI8 extension, a new library
php_oci8_11g.dll is available in addition to
php_oci8.dll. Only one can be enabled at any time. Use
php_oci8.dll with Oracle 10.2 client libraries. Use
php_oci8_11g.dll with Oracle 11 or later client libraries.
Connection to other database versions is still supported.
Windows support has been added for the following functions:
Improved portability of the stat(),
filesize() functions, and other related functions (100%
portable for the available data).
It is now possible to create hard links on Windows using the
link() function, and symbolic links using the
symlink() function. Hard links are available as of
Windows 2000, and symbolic links as of Windows Vista.
The Windows version of PHP now exposes a set of constants prefixed
PHP_WINDOWS_*. A list of these constants and their usage
can be found at Predefined Constants.
Support for the ISAPI module has been dropped. Use the improved FastCGI SAPI
A new dedicated site for PHP on Windows is now available, including
downloads, release candidates, and snapshots in various flavors
(thread-safe/not-thread-safe, VC6/VC9, x86/x64). The URL of this site is