This site is dedicated to supporting PHP on Microsoft Windows. It also supports ports of PHP extensions or features as well as providing special builds for the various Windows architectures.
If you like to build your own PHP binaries, instructions can be found on the Wiki.
If you are using PHP as FastCGI with IIS you should use the Non-Thread Safe (NTS) versions of PHP.
Please use the Apache builds provided by Apache Lounge. They provide VC11, VC14 and VC15 builds of Apache for x86 and x64. We use their binaries to build the Apache SAPIs.
If you are using PHP as module with Apache builds from apache.org (not recommended) you need to use the older VC6 versions of PHP compiled with the legacy Visual Studio 6 compiler. Do NOT use VC11+ versions of PHP with the apache.org binaries.
With Apache you have to use the Thread Safe (TS) versions of PHP.
More recent versions of PHP are built with VC11, VC14 or VC15 (Visual Studio 2012, 2015 or 2017 compiler respectively) and include improvements in performance and stability.
- The VC11 builds require to have the Visual C++ Redistributable for Visual Studio 2012 x86 or x64 installed
- The VC14 builds require to have the Visual C++ Redistributable for Visual Studio 2015 x86 or x64 installed
TS refers to multithread capable builds. NTS refers to single thread only builds. Use case for TS binaries involves interaction with a multithreaded SAPI and PHP loaded as a module into a web server. For NTS binaries the widespread use case is interaction with a web server through the FastCGI protocol, utilizing no multithreading (but also for example CLI).
Profile Guided Optimization is an optimization feature available in Microsoft's Visual C++ compiler that allows you to optimize an output file based on profiling data collected during test runs of the application or module.
The x64 builds of PHP 5 for Windows are experimental, and do not provide 64-bit integer or large file support.
PHP 7 provides full 64-bit support. The x64 builds of PHP 7 support native 64-bit integers, LFS, 64-bit memory_limit and much more.
PHP 7.1+ supports long and UTF-8 paths. See UPGRADING for details.
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