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# GeoIP2 PHP API #

## Description ##

This package provides an API for the GeoIP2 and GeoLite2

[web services](https://dev.maxmind.com/geoip/docs/web-services?lang=en) and

[databases](https://dev.maxmind.com/geoip/docs/databases?lang=en).

## Install via Composer ##

We recommend installing this package with [Composer](https://getcomposer.org/).

### Download Composer ###

To download Composer, run in the root directory of your project:

```bash

curl -sS https://getcomposer.org/installer | php

```

You should now have the file `composer.phar` in your project directory.

### Install Dependencies ###

Run in your project root:

```sh

php composer.phar require geoip2/geoip2:~2.0

```

You should now have the files `composer.json` and `composer.lock` as well as

the directory `vendor` in your project directory. If you use a version control

system, `composer.json` should be added to it.

### Require Autoloader ###

After installing the dependencies, you need to require the Composer autoloader

from your code:

```php

require 'vendor/autoload.php';

```

## Install via Phar ##

Although we strongly recommend using Composer, we also provide a

[phar archive](https://php.net/manual/en/book.phar.php) containing most of the

dependencies for GeoIP2. Our latest phar archive is available on

[our releases page](https://github.com/maxmind/GeoIP2-php/releases).

### Install Dependencies ###

In order to use the phar archive, you must have the PHP

[Phar extension](https://php.net/manual/en/book.phar.php) installed and

enabled.

If you will be making web service requests, you must have the PHP

[cURL extension](https://php.net/manual/en/book.curl.php)

installed to use this archive. For Debian based distributions, this can

typically be found in the the `php-curl` package. For other operating

systems, please consult the relevant documentation. After installing the

extension you may need to restart your web server.

If you are missing this extension, you will see errors like the following:

```

PHP Fatal error:  Uncaught Error: Call to undefined function MaxMind\WebService\curl_version()

```

### Require Package ###

To use the archive, just require it from your script:

```php

require 'geoip2.phar';

```

## Optional C Extension ##

The [MaxMind DB API](https://github.com/maxmind/MaxMind-DB-Reader-php)

includes an optional C extension that you may install to dramatically increase

the performance of lookups in GeoIP2 or GeoLite2 databases. To install, please

follow the instructions included with that API.

The extension has no effect on web-service lookups.

## IP Geolocation Usage ##

IP geolocation is inherently imprecise. Locations are often near the center of

the population. Any location provided by a GeoIP2 database or web service

should not be used to identify a particular address or household.

## Database Reader ##

### Usage ###

To use this API, you must create a new `\GeoIp2\Database\Reader` object with

the path to the database file as the first argument to the constructor. You

may then call the method corresponding to the database you are using.

If the lookup succeeds, the method call will return a model class for the

record in the database. This model in turn contains multiple container

classes for the different parts of the data such as the city in which the

IP address is located.

If the record is not found, a `\GeoIp2\Exception\AddressNotFoundException`

is thrown. If the database is invalid or corrupt, a

`\MaxMind\Db\InvalidDatabaseException` will be thrown.

See the [API documentation](https://maxmind.github.io/GeoIP2-php/) for more

details.

### City Example ###

```php

<?php

require_once 'vendor/autoload.php';

use GeoIp2\Database\Reader;

// This creates the Reader object, which should be reused across

// lookups.

$cityDbReader = new Reader('/usr/local/share/GeoIP/GeoIP2-City.mmdb');

// Replace "city" with the appropriate method for your database, e.g.,

// "country".

$record = $cityDbReader->city('128.101.101.101');

print($record->country->isoCode . "\n"); // 'US'

print($record->country->name . "\n"); // 'United States'

print($record->country->names['zh-CN'] . "\n"); // '美国'

print($record->mostSpecificSubdivision->name . "\n"); // 'Minnesota'

print($record->mostSpecificSubdivision->isoCode . "\n"); // 'MN'

print($record->city->name . "\n"); // 'Minneapolis'

print($record->postal->code . "\n"); // '55455'

print($record->location->latitude . "\n"); // 44.9733

print($record->location->longitude . "\n"); // -93.2323

print($record->traits->network . "\n"); // '128.101.101.101/32'

```

### Anonymous IP Example ###

```php

<?php

require_once 'vendor/autoload.php';

use GeoIp2\Database\Reader;

// This creates the Reader object, which should be reused across

// lookups.

$anonymousDbReader = new Reader('/usr/local/share/GeoIP/GeoIP2-Anonymous-IP.mmdb');

$record = $anonymousDbReader->anonymousIp('128.101.101.101');

if ($record->isAnonymous) { print "anon\n"; }

print($record->ipAddress . "\n"); // '128.101.101.101'

print($record->network . "\n"); // '128.101.101.101/32'

```

### Connection-Type Example ###

```php

<?php

require_once 'vendor/autoload.php';

use GeoIp2\Database\Reader;

// This creates the Reader object, which should be reused across

// lookups.

$connectionTypeDbReader = new Reader('/usr/local/share/GeoIP/GeoIP2-Connection-Type.mmdb');

$record = $connectionTypeDbReader->connectionType('128.101.101.101');

print($record->connectionType . "\n"); // 'Corporate'

print($record->ipAddress . "\n"); // '128.101.101.101'

print($record->network . "\n"); // '128.101.101.101/32'

```

### Domain Example ###

```php

<?php

require_once 'vendor/autoload.php';

use GeoIp2\Database\Reader;

// This creates the Reader object, which should be reused across

// lookups.

$domainDbReader = new Reader('/usr/local/share/GeoIP/GeoIP2-Domain.mmdb');

$record = $domainDbReader->domain('128.101.101.101');

print($record->domain . "\n"); // 'umn.edu'

print($record->ipAddress . "\n"); // '128.101.101.101'

print($record->network . "\n"); // '128.101.101.101/32'

```

### Enterprise Example ###

```php

<?php

require_once 'vendor/autoload.php';

use GeoIp2\Database\Reader;

// This creates the Reader object, which should be reused across

// lookups.

$enterpriseDbReader = new Reader('/usr/local/share/GeoIP/GeoIP2-Enterprise.mmdb');

// Use the ->enterprise method to do a lookup in the Enterprise database

$record = $enterpriseDbReader->enterprise('128.101.101.101');

print($record->country->confidence . "\n"); // 99

print($record->country->isoCode . "\n"); // 'US'

print($record->country->name . "\n"); // 'United States'

print($record->country->names['zh-CN'] . "\n"); // '美国'

print($record->mostSpecificSubdivision->confidence . "\n"); // 77

print($record->mostSpecificSubdivision->name . "\n"); // 'Minnesota'

print($record->mostSpecificSubdivision->isoCode . "\n"); // 'MN'

print($record->city->confidence . "\n"); // 60

print($record->city->name . "\n"); // 'Minneapolis'

print($record->postal->code . "\n"); // '55455'

print($record->location->accuracyRadius . "\n"); // 50

print($record->location->latitude . "\n"); // 44.9733

print($record->location->longitude . "\n"); // -93.2323

print($record->traits->network . "\n"); // '128.101.101.101/32'

```

### ISP Example ###

```php

<?php

require_once 'vendor/autoload.php';

use GeoIp2\Database\Reader;

// This creates the Reader object, which should be reused across

// lookups.

$ispDbReader = new Reader('/usr/local/share/GeoIP/GeoIP2-ISP.mmdb');

$record = $ispDbReader->isp('128.101.101.101');

print($record->autonomousSystemNumber . "\n"); // 217

print($record->autonomousSystemOrganization . "\n"); // 'University of Minnesota'

print($record->isp . "\n"); // 'University of Minnesota'

print($record->organization . "\n"); // 'University of Minnesota'

print($record->ipAddress . "\n"); // '128.101.101.101'

print($record->network . "\n"); // '128.101.101.101/32'

```

## Database Updates ##

You can keep your databases up to date with our

[GeoIP Update program](https://github.com/maxmind/geoipupdate/releases).

[Learn more about GeoIP Update on our developer

portal.](https://dev.maxmind.com/geoip/updating-databases?lang=en)

## Web Service Client ##

### Usage ###

To use this API, you must create a new `\GeoIp2\WebService\Client`

object with your `$accountId` and `$licenseKey`:

```php

$client = new Client(42, 'abcdef123456');

```

You may also call the constructor with additional arguments. The third argument

specifies the language preferences when using the `->name` method on the model

classes that this client creates. The fourth argument is additional options

such as `host` and `timeout`.

For instance, to call the GeoLite2 web service instead of the GeoIP2 web

service:

```php

$client = new Client(42, 'abcdef123456', ['en'], ['host' => 'geolite.info']);

```

To call the Sandbox GeoIP2 web service instead of the production GeoIP2 web

service:

```php

$client = new Client(42, 'abcdef123456', ['en'], ['host' => 'sandbox.maxmind.com']);

```

After creating the client, you may now call the method corresponding to a

specific endpoint with the IP address to look up, e.g.:

```php

$record = $client->city('128.101.101.101');

```

If the request succeeds, the method call will return a model class for the

endpoint you called. This model in turn contains multiple record classes, each

of which represents part of the data returned by the web service.

If there is an error, a structured exception is thrown.

See the [API documentation](https://maxmind.github.io/GeoIP2-php/) for more

details.

### Example ###

```php

<?php

require_once 'vendor/autoload.php';

use GeoIp2\WebService\Client;

// This creates a Client object that can be reused across requests.

// Replace "42" with your account ID and "license_key" with your license

// key. Set the "host" to "geolite.info" in the fourth argument options

// array to use the GeoLite2 web service instead of the GeoIP2 web

// service. Set the "host" to "sandbox.maxmind.com" in the fourth argument

// options array to use the Sandbox GeoIP2 web service instead of the

// production GeoIP2 web service.

$client = new Client(42, 'abcdef123456');

// Replace "city" with the method corresponding to the web service that

// you are using, e.g., "country", "insights".

$record = $client->city('128.101.101.101');

print($record->country->isoCode . "\n"); // 'US'

print($record->country->name . "\n"); // 'United States'

print($record->country->names['zh-CN'] . "\n"); // '美国'

print($record->mostSpecificSubdivision->name . "\n"); // 'Minnesota'

print($record->mostSpecificSubdivision->isoCode . "\n"); // 'MN'

print($record->city->name . "\n"); // 'Minneapolis'

print($record->postal->code . "\n"); // '55455'

print($record->location->latitude . "\n"); // 44.9733

print($record->location->longitude . "\n"); // -93.2323

print($record->traits->network . "\n"); // '128.101.101.101/32'

```

## Values to use for Database or Array Keys ##

**We strongly discourage you from using a value from any `names` property as

a key in a database or array.**

These names may change between releases. Instead we recommend using one of the

following:

* `GeoIp2\Record\City` - `$city->geonameId`

* `GeoIp2\Record\Continent` - `$continent->code` or `$continent->geonameId`

* `GeoIp2\Record\Country` and `GeoIp2\Record\RepresentedCountry` -

  `$country->isoCode` or `$country->geonameId`

* `GeoIp2\Record\Subdivision` - `$subdivision->isoCode` or `$subdivision->geonameId`

### What data is returned? ###

While many of the end points return the same basic records, the attributes

which can be populated vary between end points. In addition, while an end

point may offer a particular piece of data, MaxMind does not always have every

piece of data for any given IP address.

Because of these factors, it is possible for any end point to return a record

where some or all of the attributes are unpopulated.

See the

[GeoIP2 web service docs](https://dev.maxmind.com/geoip/docs/web-services?lang=en)

for details on what data each end point may return.

The only piece of data which is always returned is the `ipAddress`

attribute in the `GeoIp2\Record\Traits` record.

## Integration with GeoNames ##

[GeoNames](https://www.geonames.org/) offers web services and downloadable

databases with data on geographical features around the world, including

populated places. They offer both free and paid premium data. Each

feature is unique identified by a `geonameId`, which is an integer.

Many of the records returned by the GeoIP2 web services and databases

include a `geonameId` property. This is the ID of a geographical feature

(city, region, country, etc.) in the GeoNames database.

Some of the data that MaxMind provides is also sourced from GeoNames. We

source things like place names, ISO codes, and other similar data from

the GeoNames premium data set.

## Reporting data problems ##

If the problem you find is that an IP address is incorrectly mapped,

please

[submit your correction to MaxMind](https://www.maxmind.com/en/correction).

If you find some other sort of mistake, like an incorrect spelling,

please check the [GeoNames site](https://www.geonames.org/) first. Once

you've searched for a place and found it on the GeoNames map view, there

are a number of links you can use to correct data ("move", "edit",

"alternate names", etc.). Once the correction is part of the GeoNames

data set, it will be automatically incorporated into future MaxMind

releases.

If you are a paying MaxMind customer and you're not sure where to submit

a correction, please

[contact MaxMind support](https://www.maxmind.com/en/support) for help.

## Other Support ##

Please report all issues with this code using the

[GitHub issue tracker](https://github.com/maxmind/GeoIP2-php/issues).

If you are having an issue with a MaxMind service that is not specific

to the client API, please see

[our support page](https://www.maxmind.com/en/support).

## Requirements  ##

This library requires PHP 8.1 or greater.

This library also relies on the [MaxMind DB Reader](https://github.com/maxmind/MaxMind-DB-Reader-php).

## Contributing ##

Patches and pull requests are encouraged. All code should follow the PSR-2

style guidelines. Please include unit tests whenever possible. You may obtain

the test data for the maxmind-db folder by running `git submodule update

--init --recursive` or adding `--recursive` to your initial clone, or from

https://github.com/maxmind/MaxMind-DB

## Versioning ##

The GeoIP2 PHP API uses [Semantic Versioning](https://semver.org/).

## Copyright and License ##

This software is Copyright (c) 2013-2024 by MaxMind, Inc.

This is free software, licensed under the Apache License, Version 2.0.