Running PHP7 under Windows requires Visual C++redistributable 2015 and previous versions do not need to be that high, and the latest version of Apache may also require this component, which is the C + + that is running visual Studio 2015 Application of the necessary components, install once can solve the environmental problems, then go to the Microsoft Official website to download the installation program, install it again.
There are 64-bit version and 32-bit version, all installed after the restart, the following is the download link:
64-bit version: http://download.microsoft.com/download/9/E/1/9E1FA77A-9E95-4F3D-8BE1-4D2D0C947BA2/enu_INREL/ Vcredistd14x64/vc_redist.x64.exe
32-bit version: http://download.microsoft.com/download/9/E/1/9E1FA77A-9E95-4F3D-8BE1-4D2D0C947BA2/enu_INREL/ Vcredistd14x86/vc_redist.x86.exe
Troubleshooting PHP7 prompts for missing VCRUNTIME140.DLL under Windows