$ php composer.phar require zertex/yii2-zx-country-db "*"
OR, (*1)
add to your composer.json
, (*2)
{ "require": { "zertex/yii2-zx-country-db": "*" } }
OR, (*3)
download directly from maxmind website, (*4)
This product includes GeoLite2 data created by MaxMind, available from http://www.maxmind.com., (*5)