<?php
define("MAPS_HOST", "maps.google.com");
define("KEY", "abcdefg");
// Opens a connection to a MySQL server
$connection=mysql_connect(\'localhost\', \'root\', \'root\');
if (!$connection) { die(\'Not connected : \' . mysql_error());}
// Set the active MySQL database
$db_selected = mysql_select_db(\'omits_db\', $connection);
if (!$db_selected) {
die (\'Can\\\'t use db : \' . mysql_error());
}
// Select all the rows in the markers table
$query = "SELECT * FROM markers";
$result = mysql_query($query);
if (!$result) {
die("Invalid query: " . mysql_error());
}
// Initialize delay in geocode speed
$delay = 0;
$base_url = "http://" . MAPS_HOST . "/maps/geo?output=xml" . "&key=" . KEY;
// Iterate through the rows, geocoding each address
while ($row = @mysql_fetch_assoc($result)) {
$geocode_pending = true;
while ($geocode_pending) {
$address = $row["address"];
$id = $row["id"];
$request_url = $base_url . "&q=" . urlencode($address);
$xml = simplexml_load_file($request_url) or die("url not loading");
$status = $xml->Response->Status->code;
if (strcmp($status, "200") == 0) {
// Successful geocode
$geocode_pending = false;
$coordinates = $xml->Response->Placemark->Point->coordinates;
$coordinatesSplit = split(",", $coordinates);
// Format: Longitude, Latitude, Altitude
$lat = $coordinatesSplit[1];
$lng = $coordinatesSplit[0];
$query = sprintf("UPDATE markers " .
" SET lat = \'%s\', lng = \'%s\' " .
" WHERE id = \'%s\' LIMIT 1;",
mysql_real_escape_string($lat),
mysql_real_escape_string($lng),
mysql_real_escape_string($id));
$update_result = mysql_query($query);
if (!$update_result) {
die("Invalid query: " . mysql_error());
}
} else if (strcmp($status, "620") == 0) {
// sent geocodes too fast
$delay += 100000;
} else {
// failure to geocode
$geocode_pending = false;
echo "Address " . $address . " failed to geocoded. ";
echo "Received status " . $status . "
\\n";
}
usleep($delay);
}
}
?>