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I was interested in trying to calculate against an SQL Table and return values that matched within the calculation.  What i am trying to put together is a Zip Code Locator.  I have a table "AREA" of Lat, Long and Zip Code numbers for the area im interested in.  I also have a table "LOCATIONS" of Lat, Long and Zip code numbers for 25 different locations with data about Store Name, Address, etc.

 

What i would like to do is have a user input thier Zip code and that would launch one query, which would pull down the Lat & Long from the table "AREA".  I would like to then Query the database "LOCATIONS" and calculate the distance between them using a formula. So it would do this.

 

User submit--->$_POST['zip'];---->Query and bring down LAT, LON from "AREA" table--->Query the LOCATIONS table, bring down all values---->calculate LAT, LON, from AREA table minus LAT, LON from the LOCATIONS table and populate to Variables the values that were LESS THAN 5 or something.

 

I hope this made sense. Sorry it was written quickly.

 

Even a tutorial that is similar, might allow me to utilize some of the same ideas to make this happen.

 

Thanks

Chris

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