Added location parameter (#4)

* Added include field, and updated README.md file

* Added indentations

Co-authored-by: zeeshan-tfw <zeeshan-tfw@gmail.com>

Author: zeeshan-tfw

README.md

@@ -24,6 +24,11 @@ You need a valid 'IPGeolocation API key' to use this SDK. [Sign up](https://ipge
 
 Internet connection is required to run this component.
 
+## Documentation
+Use the following URL to visit documentation
+[https://ipgeolocation.io/documentation.html](https://ipgeolocation.io/documentation.html)
+
+
 ## Basic Usage
 
 Call method **get_geolocation($apiKey, $ip, $lang, $fields, $excludes)** passing _API key_ and _IP address_ as parameters (rest of the parameters are optional) and it will return the Geolocation for the passed IP address.

ip-geolocation-api-php.php

@@ -1,24 +1,24 @@
 <?php
-    $apiKey = "PUT_YOUR_API_KEY_HERE";
+    $apiKey = "YOUR_API_KEY";
     $ip = "CLIENT_IP_ADDRESS";
-    $location = get_geolocation($apiKey, $ip);
+    $location = get_geolocation($apiKey, $ip, "en", "*", "", $include);
     $decodedLocation = json_decode($location, true);
 
     echo "<pre>";
     print_r($decodedLocation);
     echo "</pre>";
-
-    function get_geolocation($apiKey, $ip, $lang = "en", $fields = "*", $excludes = "") {
-        $url = "https://api.ipgeolocation.io/ipgeo?apiKey=".$apiKey."&ip=".$ip."&lang=".$lang."&fields=".$fields."&excludes=".$excludes;
+    
+    function get_geolocation($apiKey, $ip, $lang = "en", $fields = "*", $excludes = "", $include = "") {
+        $url = "https://api.ipgeolocation.io/ipgeo?apiKey=".$apiKey."&ip=".$ip."&lang=".$lang."&fields=".$fields."&excludes=".$excludes."&include=".$include;
         $cURL = curl_init();
-
         curl_setopt($cURL, CURLOPT_URL, $url);
         curl_setopt($cURL, CURLOPT_HTTPGET, true);
         curl_setopt($cURL, CURLOPT_RETURNTRANSFER, true);
         curl_setopt($cURL, CURLOPT_HTTPHEADER, array(
             'Content-Type: application/json',
             'Accept: application/json'
         ));
+        
         return curl_exec($cURL);
     }
 ?>