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== Using MapGuide's Custom Aggregate Function ==

MapGuide has a bunch of custom aggregate functions for your feature data queries.

Attached is a PHP code sample demonstrating the use of MapGuide's Custom Aggregate Functions. These functions are universally supported for all FDO providers. See [http://themapguyde.blogspot.com.au/2012/06/mapguides-undocumented-custom-aggregate.html this post] for a detailed overview of this functions.