(PECL geoip >= 0.2.0)
geoip_region_by_name — Get the country code and region
The geoip_region_by_name() function will return the country and region corresponding to a hostname or an IP address.
This function is currently only available to users who have bought a commercial GeoIP Region Edition. A warning will be issued if the proper database cannot be located.
The names of the different keys of the returning associative array are as follows:
The hostname or IP address whose region is to be looked-up.
Returns the associative array on success, or FALSE if the address cannot be found in the database.
Example #1 A geoip_region_by_name() example
This will print the array containing the country code and region of the host example.com.
<?php
$region = geoip_region_by_name('www.example.com');
if ($region) {
print_r($region);
}
?>
上例将输出：
Array
(
[country_code] => US
[region] => CA
)