With codeplex gone it can be a bit hard to find the real download for some things. I had to search an old server archive to find this.
Php manager 1.2 x64,
This is the original v1.2 64bit download from 2012.
I also found the older 1.1.1 download should you want that instead,
You need the Visual C++ Redistributable
For Php v7.2,
https://aka.ms/vs/15/release/VC_redist.x64.exe The .ms(Microsoft) link looks a bit odd but you can find it on the official site here: https://visualstudio.microsoft.com/downloads/ under other tools and frameworks.
For Php v7.0, v7.1,
For Php v5.6,