Cross-version library for maxmind offline geolocation api. download depencies and databases from https://www.maxmind.com

class.geolocation.php

<?php

# Maxmind Geolocation Database
# Portable library for cross-version readings
# 
# Armagan Corlu aka Psy_Chip
# root@psychip.net
# 30.08.2014
#
# sample usage:
# $obj = new maxgeolocation(2); // <=== select db version 1 or 2
# $obj->geoinfo('127.0.0.1'); // returns an array with country & city information


$root = dirname(__FILE__);
require_once $root . '/GeoliteV2/Reader.php';
require_once $root . '/GeoliteV2/Reader/Util.php';
require_once $root . '/GeoliteV2/Reader/Decoder.php';
require_once $root . '/GeoliteV2/Reader/InvalidDatabaseException.php';
require_once $root . '/GeoliteV2/Reader/Metadata.php';

use MaxMind\Db\Reader;

unset($root);

class maxgeolocation {

    var $dbv1 = "Geolite/db/GeoIPCity_08_2012.dat";
    var $dbv2 = "GeoliteV2/db/GeoLite2-City.mmdb";
    private $root;
    private $db;
    private $ver;

    function __construct($version = 2) {
        $this->root = dirname(__FILE__);
        switch ($version) {
            case 1:
                $this->db = $this->root . DIRECTORY_SEPARATOR . $this->dbv1;
                include_once $this->root . "/Geolite/geoipcity.inc";

                break;
            case 2:
                $this->db = $this->dbv2;
                break;
        }
        $this->ver = $version;
    }

    private function obj2array($data) {
        if (is_array($data) || is_object($data)) {
            $result = [];
            foreach ($data as $key => $value) {
                $result[$key] = $this->obj2array($value);
            }
            return $result;
        }
        return $data;
    }

    private function geoinfo_ipv1($ip) {
        $gi = geoip_open($this->db, GEOIP_STANDARD);
        $record = geoip_record_by_addr($gi, $ip);
        geoip_close($gi);
        return $this->obj2array($record);
    }

    private function geoinfo_ipv2($ip) {
        $reader = new Reader($this->db);
        $record = $reader->get($ip);
        $tmp = $this->obj2array($record);
        $data = [];
        $data['country_code'] = $tmp['country']['iso_code'];
        $data['country_name'] = $tmp['country']['names']['en'];
        $data['city'] = $tmp['city']['names']['en'];
        $data['latitude'] = $tmp['location']['latitude'];
        $data['longitude'] = $tmp['location']['longitude'];
        return $data;
    }

    public function geoinfo($ip) {
        switch ($this->ver) {
            case 1:
                return $this->geoinfo_ipv1($ip);
            case 2:
                return $this->geoinfo_ipv2($ip);
        }
    }

}