(PECL geoip >= 1.0.1)
geoip_db_get_all_info — Returns detailed information about all GeoIP database types
The geoip_db_get_all_info() function will return detailed information as a multi-dimensional array about all the GeoIP database types.
This function is available even if no databases are installed. It will simply list them as non-available.
The names of the different keys of the returning associative array are as follows:
Returns the associative array.
Example #1 A geoip_db_get_all_info() example
This will print the array containing all the information.
<?php
$infos = geoip_db_get_all_info();
if (is_array($infos)) {
    var_dump($infos);
}
?>
The above example will output:
array(11) {
  [1]=>
  array(3) {
    ["available"]=>
    bool(true)
    ["description"]=>
    string(21) "GeoIP Country Edition"
    ["filename"]=>
    string(32) "/usr/share/GeoIP/GeoIP.dat"
  }
[ ... ]
  [11]=>
  array(3) {
    ["available"]=>
    bool(false)
    ["description"]=>
    string(25) "GeoIP Domain Name Edition"
    ["filename"]=>
    string(38) "/usr/share/GeoIP/GeoIPDomain.dat"
  }
}
Example #2 A geoip_db_get_all_info() example
You can use the various constants as keys to get only parts of the information.
<?php
$infos = geoip_db_get_all_info();
if ($infos[GEOIP_COUNTRY_EDITION]['available']) {
    echo $infos[GEOIP_COUNTRY_EDITION]['description'];
}
?>
The above example will output:
GeoIP Country Edition