IP2Location (PHP Module)
========================
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*This is the official release maintained by IP2Location.com*

This PHP module provides fast lookup of country, region, city, latitude, longitude, ZIP code, time zone, ISP, domain name, connection speed, IDD code, area code, weather station code, weather station name, MNC, MCC, mobile brand, elevation, usage type, address type and IAB category from IP address by using IP2Location database. This module uses a file based database available at IP2Location.com. 

This module can be used in many types of projects such as:

1. select the geographically closest mirror
2. analyze your web server logs to determine the countries of your visitors
3. credit card fraud detection
4. software export controls
5. display native language and currency 
6. prevent password sharing and abuse of service 
7. geotargeting in advertisement

Free IP2Location LITE and commerical databases are available for download. 
* LITE database is available at https://lite.ip2location.com (Free with limited accuracy)
* Commercial database is availabe at https://www.ip2location.com (Comprehensive with high accuracy)

Monthly update is available for both IP2Location LITE and commercial database.

## KEY FEATURES

1. **Support both IPv4 and IPv6 with ease.** If you would like to enable IPv6 support, you just need to replace your BIN file with IPv6 version. That's it, and no code modification needed.
2. **Extensible.** If you require different granularity of IP information, you can visit [IP2Location.com](https://www.ip2location.com/databases) to download the relevant BIN file, and the information will made ready for you.
3. **Comprehensive Information.** There are more than 13 types of information that you can retrieve from an IP address. Please visit [IP2Location.com](https://www.ip2location.com/databases) for details.

## INSTALLATION

Install this package using **composer** as below:

```
composer require ip2location/ip2location-php
```

To test this installation, please browse examples/example.php using web browser.

## USAGE

You can check the **example.php** file to learn more about usage.

### Database Class
Below is the description of the functions available in the **Database** class.

| Function Name | Description |
|---|---|
|Constructor|Expect 2 input parameters:<ol><li>Full path of IP2Location BIN data file.</li><li>File Open Mode<ul><li>	SHARED_MEMORY</li><li>MEMORY_CACHE</li><li>FILE_IO</li></ul></li></ol>For SHARED_MEMORY and MEMORY_CACHE, it will require your server to have sufficient memory to hold the BIN data, otherwise it will raise the errors during the object initialization.|
|**string** getDate()|Return the database's compilation date as a string of the form 'YYYY-MM-DD'|
|**string** getType()|Return the database's type, 1 to 25 respectively for DB1 to DB25. Please visit https://www.ip2location.com/databases for details.|
|**string** getModuleVersion()|Return the version of module|
|**string** getDatabaseVersion()|Return the version of database|
|**array** lookup($ip)|Return the IP information in array. Below is the information returned:<ul><li>ipNumber</li><li>ipVersion</li><li>ipAddress</li><li>countryCode</li><li>countryName</li><li>regionName</li><li>cityName</li><li>latitude</li><li>longitude</li><li>areaCode</li><li>iddCode</li><li>weatherStationCode</li><li>weatherStationName</li><li>mcc</li><li>mnc</li><li>mobileCarrierName</li><li>usageType</li><li>elevation</li><li>netSpeed</li><li>timeZone</li><li>zipCode</li><li>domainName</li><li>isp</li><li>addressType</li><li>category</li></ul>You can visit [IP2Location](https://www.ip2location.com/databases/db25-ip-country-region-city-latitude-longitude-zipcode-timezone-isp-domain-netspeed-areacode-weather-mobile-elevation-usagetype-addresstype-category) for the description of each field. Note: although the above names are not exactly matched with the names given in this link, but they are self-described.|
|**array** getCidr($ip)|Return an array of the complete IP list in CIDR format of the detected row record based on the given IP address.|


### WebService Class
Below is the description of the functions available in the **WebService** class.

| Function Name         | Description                                                  |
| --------------------- | ------------------------------------------------------------ |
| Constructor           | Expect 3 input parameters:<ol><li>IP2Location API Key.</li><li>Package (WS1 - WS25)</li><li>Use HTTPS or HTTP</li></ol> |
| **array** lookup($ip) | Return the IP information in array.<ul><li>country_code</li><li>country_name</li><li>region_name</li><li>city_name</li><li>latitude</li><li>longitude</li><li>zip_code</li><li>time_zone</li><li>isp</li><li>domain</li><li>net_speed</li><li>idd_code</li><li>area_code</li><li>weather_station_code</li><li>weather_station_name</li><li>mcc</li><li>mnc</li><li>mobile_brand</li><li>elevation</li><li>usage_type</li><li>address_type</li><li>category</li><li>continent<ul><li>name</li><li>code</li><li>hemisphere</li><li>translations</li></ul></li><li>country<ul><li>name</li><li>alpha3_code</li><li>numeric_code</li><li>demonym</li><li>flag</li><li>capital</li><li>total_area</li><li>population</li><li>currency<ul><li>code</li><li>name</li><li>symbol</li></ul></li><li>language<ul><li>code</li><li>name</li></ul></li><li>idd_code</li><li>tld</li><li>translations</li></ul></li><li>region<ul><li>name</li><li>code</li><li>translations</li></ul></li><li>city<ul><li>name</li><li>translations</li></ul></li><li>geotargeting<ul><li>metro</li></ul></li><li>country_groupings</li><li>time_zone_info<ul><li>olson</li><li>current_time</li><li>gmt_offset</li><li>is_dst</li><li>sunrise</li><li>sunset</li></ul></li><ul> |
| **int** getCredit()   | Return remaining credit of the web service account.          |

### IpTools Class

Below is the description of the functions available in the **IpTools** class.

| Function Name                        | Description                                                  |
| ------------------------------------ | ------------------------------------------------------------ |
| **bool** isIpv4($ip)                 | Return either **true** or **false**. Verify if a string is a valid IPv4 address. |
| **bool** isIpv6($ip)                 | Return either **true** or **false**. Verify if a string is a valid IPv6 address. |
| **mixed** ipv4ToDecimal($ip)         | Translate IPv4 address from dotted-decimal address to decimal format. Return **null** on error. |
| **mixed** decimalToIpv4($number)     | Translate IPv4 address from decimal number to dotted-decimal address. Return **null** on error. |
| **mixed** ipv6ToDecimal($ip)         | Translate IPv6 address from hexadecimal address to decimal format. Return **null** on error. |
| **mixed** decimalToIpv6($number)     | Translate IPv6 address from decimal number into hexadecimal address. Return **null** on error. |
| **array** ipv4ToCidr($ipFrom, $ipTo) | Convert IPv4 range into a list of IPv4 CIDR notation.        |
| **array** cidrToIpv4($cidr)          | Convert IPv4 CIDR notation into a list of IPv4 addresses.    |
| **array** ipv6ToCidr($ipFrom, $ipTo) | Convert IPv6 range into a list of IPv6 CIDR notation.        |
| **array** cidrToIpv6($cidr)          | Convert IPv6 CIDR notation into a list of IPv6 addresses.    |

### Country Class

Below is the description of the functions available in the **Country** class.

| Function Name                          | Description                                                  |
| -------------------------------------- | ------------------------------------------------------------ |
| Constructor                            | Expect a IP2Location Country Information CSV file. This database is free for download at https://www.ip2location.com/free/country-information |
| **array** getCountryInfo($countryCode) | Provide a ISO 3166 country code to get the country information in array. Will return a full list of countries information if country code not provided. Below is the information returned: <ul><li>country_code</li><li>country_alpha3_code</li><li>country_numeric_code</li><li>capital</li><li>country_demonym</li><li>total_area</li><li>population</li><li>idd_code</li><li>currency_code</li><li>currency_name</li><li>currency_symbol</li><li>lang_code</li><li>lang_name</li><li>cctld</li></ul> |

## DEPENDENCIES

This library requires IP2Location BIN data file to function. You may download the BIN data file at
* IP2Location LITE BIN Data (Free): https://lite.ip2location.com
* IP2Location Commercial BIN Data (Comprehensive): https://www.ip2location.com

An outdated BIN database was provided in the databases folder for your testing. You are recommended to visit the above links to download the latest BIN database.

You can also sign up for [IP2Location Web Service](https://www.ip2location.com/web-service/ip2location) to lookup by IP2Location API.

## IPv4 BIN vs IPv6 BIN
* Use the IPv4 BIN file if you just need to query IPv4 addresses.
* Use the IPv6 BIN file if you need to query BOTH IPv4 and IPv6 addresses.

## OTHER FRAMEWORK LIBRARY
Below are the list of other framework library that you can install and use right away.
* [IP2Location Laravel](https://github.com/ip2location/ip2location-laravel)
* [IP2Location CakePHP](https://github.com/ip2location/ip2location-cakephp)
* [IP2Location CodeIgniter](https://github.com/ip2location/codeigniter-ip2location)
* [IP2Location Yii](https://github.com/ip2location/ip2location-yii)
* [Symfony Framework](https://blog.ip2location.com/knowledge-base/geolocation-lookup-using-symfony-4-and-ip2location-bin-database/). Tutorial on the Symfony implementation.

## COPYRIGHT AND LICENSE

Copyright (C) 2005-2021 by IP2Location.com

License under MIT
