(PECL geoip >= 1.0.3)
geoip_continent_code_by_name — Get the two letter continent code
The geoip_continent_code_by_name() function will return the two letter continent code corresponding to a hostname or an IP address.
The hostname or IP address whose location is to be looked-up.
Returns the two letter continent code on success, or FALSE if the address cannot be found in the database.
Example #1 A geoip_continent_code_by_name() example
This will print where the host example.com is located.
<?php
$continent = geoip_continent_code_by_name('www.example.com');
if ($continent) {
echo 'This host is located in: ' . $continent;
}
?>
上例将输出：
This host is located in: NA