Geohash PHP class popped up recently with a method of generating short hash codes for geographical locations. The codes have some interesting properties and the algorithm is documented on wikipedia.

I recently started doing a Project Euler problem a day as a fun diversion. I found the geohash algorithm intriguing, so it became my “Euler problem” for the day!

Having done it, I’m not sure I’ll find a use for it myself, but if anyone else finds it handy, do let me know!

Download it here.

3 thoughts on “Geohash PHP class

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