Geohash PHP Class

I was intrigued by the algorithm used to create “geohashes” and so I wrote this PHP class to encode and decode them.

It comes with a test harness and passes enough tests to reasonably sure it is compatible with the reference implementation at That said, I’d regard it as beta – I’m sure the code could be heavily optimised, but might serve as base for translation into other languages.

Download geohash.tar.gz (15Kb)

2 thoughts on “Geohash PHP Class

  1. Pingback: 2010/03/10に気になったこと | debeso

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