</ul>
<?php
include 'PostalCode.php';
// connect to the MySQL database with the zip code table
mysql_connect('localhost', 'YOUR DB USER', 'YOUR PASSWORD');
mysql_select_db('YOUR DB NAME');
// you can instantiate ZipCode with a zip code or with city and state
$portland = new PostalCode("97214");
$ventura = new PostalCode("Ventura, CA");
/*
You can get the distance to another location by specifying a zip code,
city/state string, or another ZipCode object. You can specify whether you want
to get the distance in miles or kilometers.
*/
echo "<h2>Get the distance between 2 zip codes</h2>";
$distance1 = round($portland->getDistanceTo("98501"), 2);
$distance2 = round($portland->getDistanceTo($ventura, PostalCode::UNIT_KILOMETERS), 2);
$distance3 = round($portland->getDistanceTo("Salem, OR"), 2);
echo "Zip code <strong>{$portland}</strong> is <strong>{$distance1}</strong> miles away from " . "zip code <strong>98501</strong><br/>";
echo "Zip code <strong>{$portland}</strong> is <strong>{$distance2}</strong> <em>kilometers</em> away from " . "the city <strong>{$ventura}</strong><br/>";
echo "Zip code <strong>{$portland}</strong> is <strong>{$distance3}</strong> miles away from " . "the city <strong>Salem</strong><br/>";
/*
You can get all of the zip codes within a distance range from teh zip. Here we
are doing all zip codes between 0 and 2 miles. The returned array contains the
distance as the array's key and the array element is another ZipCode object.
*/
echo "<h2>Get all zip codes between 10 and 15 miles from 97214</h2>";
foreach ($portland->getPostalCodesInRange(10, 15) as $miles => $zip) {
$miles = round($miles, 1);
echo "Zip code <strong>{$zip}</strong> is <strong>{$miles}</strong> miles away from " . " <strong>{$portland}</strong> ({$zip->getCounty()} county)<br/>";
}
