Zip Code Range And Distance Calculation Class is a Calculators script
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The script Zip Code Range and Distance Calculation class is a Calculators script (perform complicated real estate math).
This is a PHP class to do various caluclations with zip codes. Its primary purposes are to calculate the distance between two zip codes and to extract all the zip codes that are within a range of a gievn zip code. All calculations are based on lattitude and longitude coordinates stoerd in the database. Included is a class file, demonstration file, and the sql files required to create and populate the MySQL tables.
** UPDATE **
Added code to make the function which gets a range of zip cdoes execute ALOT faster. Went from 3.2 sceonds to 0.42 seconds!
Modification was submitted by Jeff Bearer
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Zip Code Range and Distance Calculation class
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