php Search

Hello,

I just want to ask how difficult it is to make a search using php ...


for example , for a dating site it it should return the people that are in the given city and the the people who live 5 km away form that given city .

is it difficult to make ? is there any tutorial for it or ...

thank you
kensy11Asked:
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EMB01Commented:
This would depend on how your database is set up.  Let's say it's set up like this:

Persons_table:
int ID
varchar Name
varchar City

You would make an SQL call with PHP like this:

$q = 'select `Name` from `Persons_table` where `City` = "Canton"';
mysql_query($q);

To get people within 5 miles of that city, you would have to find what cities are within 5 miles of that city.  To do this, you might need to have a zip code for your user.  See this application for an example of how it might work:

http://www.zip-codes.com/zip-code-radius-finder.asp?zipMilesLow=5&zipMilesHigh=5&zip1=44714&Submit=Search
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EMB01Commented:
Here is another way to do this.  From the link below:

"you ask the user for his address and then request google maps api for the longtitude and latitude"

Ref.  http://stackoverflow.com/questions/5552502/find-people-within-x-miles-of-my-city
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Ray PaseurCommented:
This article teaches how to do proximity matching.
http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/A_4276-What-is-near-me-Proximity-calculations-using-PHP-and-MySQL.html

Be careful if you use Google APIs for any of the application.  You are required to put the site online for free use by everyone if you do not have a Google Enterprise license for their services.  If you use the Google Maps API or the Google Geocoder, you must display a Google map with the information.

So the answer to the question "Is it difficult?" is "Not if you have enough money!"
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