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File: geoplugin.class.php

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  Classes of Andy S  >  GeoLocation (geoPlugin)  >  geoplugin.class.php  >  Download  
File: geoplugin.class.php
Role: Class source
Content type: text/plain
Description: geoPlugin geolocation class
Class: GeoLocation (geoPlugin)
Get geographical information of an IP address
Author: By
Last change: minor error warning level changes
Date: 6 years ago
Size: 4,493 bytes
 

Contents

Class file image Download
<?php
/*
This PHP class is free software: you can redistribute it and/or modify
the code under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

However, the license header, copyright and author credits
must not be modified in any form and always be displayed.

This class is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

@author geoPlugin (gp_support@geoplugin.com)
@copyright Copyright geoPlugin (gp_support@geoplugin.com)
$version 1.01


This PHP class uses the PHP Webservice of http://www.geoplugin.com/ to geolocate IP addresses

Geographical location of the IP address (visitor) and locate currency (symbol, code and exchange rate) are returned.

See http://www.geoplugin.com/webservices/php for more specific details of this free service

*/

class geoPlugin {
   
   
//the geoPlugin server
   
var $host = 'http://www.geoplugin.net/php.gp?ip={IP}&base_currency={CURRENCY}';
       
   
//the default base currency
   
var $currency = 'USD';
   
   
//initiate the geoPlugin vars
   
var $ip = null;
    var
$city = null;
    var
$region = null;
    var
$areaCode = null;
    var
$dmaCode = null;
    var
$countryCode = null;
    var
$countryName = null;
    var
$continentCode = null;
    var
$latitute = null;
    var
$longitude = null;
    var
$currencyCode = null;
    var
$currencySymbol = null;
    var
$currencyConverter = null;
   
    function
geoPlugin() {

    }
   
    function
locate($ip = null) {
       
        global
$_SERVER;
       
        if (
is_null( $ip ) ) {
           
$ip = $_SERVER['REMOTE_ADDR'];
        }
       
       
$host = str_replace( '{IP}', $ip, $this->host );
       
$host = str_replace( '{CURRENCY}', $this->currency, $host );
       
       
$data = array();
       
       
$response = $this->fetch($host);
       
       
$data = unserialize($response);
       
       
//set the geoPlugin vars
       
$this->ip = $ip;
       
$this->city = $data['geoplugin_city'];
       
$this->region = $data['geoplugin_region'];
       
$this->areaCode = $data['geoplugin_areaCode'];
       
$this->dmaCode = $data['geoplugin_dmaCode'];
       
$this->countryCode = $data['geoplugin_countryCode'];
       
$this->countryName = $data['geoplugin_countryName'];
       
$this->continentCode = $data['geoplugin_continentCode'];
       
$this->latitude = $data['geoplugin_latitude'];
       
$this->longitude = $data['geoplugin_longitude'];
       
$this->currencyCode = $data['geoplugin_currencyCode'];
       
$this->currencySymbol = $data['geoplugin_currencySymbol'];
       
$this->currencyConverter = $data['geoplugin_currencyConverter'];
       
    }
   
    function
fetch($host) {

        if (
function_exists('curl_init') ) {
                       
           
//use cURL to fetch data
           
$ch = curl_init();
           
curl_setopt($ch, CURLOPT_URL, $host);
           
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
           
curl_setopt($ch, CURLOPT_USERAGENT, 'geoPlugin PHP Class v1.0');
           
$response = curl_exec($ch);
           
curl_close ($ch);
           
        } else if (
ini_get('allow_url_fopen') ) {
           
           
//fall back to fopen()
           
$response = file_get_contents($host, 'r');
           
        } else {

           
trigger_error ('geoPlugin class Error: Cannot retrieve data. Either compile PHP with cURL support or enable allow_url_fopen in php.ini ', E_USER_ERROR);
            return;
       
        }
       
        return
$response;
    }
   
    function
convert($amount, $float=2, $symbol=true) {
       
       
//easily convert amounts to geolocated currency.
       
if ( !is_numeric($this->currencyConverter) || $this->currencyConverter == 0 ) {
           
trigger_error('geoPlugin class Notice: currencyConverter has no value.', E_USER_NOTICE);
            return
$amount;
        }
        if ( !
is_numeric($amount) ) {
           
trigger_error ('geoPlugin class Warning: The amount passed to geoPlugin::convert is not numeric.', E_USER_WARNING);
            return
$amount;
        }
        if (
$symbol === true ) {
            return
$this->currencySymbol . round( ($amount * $this->currencyConverter), $float );
        } else {
            return
round( ($amount * $this->currencyConverter), $float );
        }
    }
   
    function
nearby($radius=10, $limit=null) {

        if ( !
is_numeric($this->latitude) || !is_numeric($this->longitude) ) {
           
trigger_error ('geoPlugin class Warning: Incorrect latitude or longitude values.', E_USER_NOTICE);
            return array( array() );
        }
       
       
$host = "http://www.geoplugin.net/extras/nearby.gp?lat=" . $this->latitude . "&long=" . $this->longitude . "&radius={$radius}";
       
        if (
is_numeric($limit) )
           
$host .= "&limit={$limit}";
           
        return
unserialize( $this->fetch($host) );

    }

   
}

?>