Vc6, vc9, ts, and CTS in PHP

Take windows as an example to see the downloaded php zip file name.

Php-5.4.4-nts-Win32-VC9-x86.zip

 

Vc6: Legacy Visual Studio 6 compiler, compiled using this compiler.
Vc9: Visual Studio 2008 compiler, which is compiled by the compiler.

In fact, this does not have a big impact, because from PhP 5.3, there is no vc6 version for download.

 

TS: thread safe thread security. The thread security check is performed during execution.
NT: Non-thread safe non-thread security check is not performed during execution.

In Apache + PhP mode, PHP is usually loaded into Apache as a module. In this case, the working mode of Apache parent process-multiple sub-processes is adopted, thread security check is required, so if you execute PHP in this way, select the TS version

If FastCGI is used, for example, PHP-FPM is used to manage PHP Execution, and thread security check is not required, select the PHP