必应将地理数据解压算法端口映射到PHP

I am trying to port Microsoft's Decompress Algorithm to PHP from Java(or maybe its C++ or C# since that's Microsoft). This is an algorithm that takes their compressed shape data from their Bing Maps Geodata API results and expands it into lat/lon coordinates. They have posted their algorithm on their site over at I am trying to port Microsoft's Decompress Algo