/*
    - Get Location (ip-api)
    - Sends a request to ip-api via cURL to get the approximate location of the specified IP
   
    $format     - What the response should look like:
                  0 => Town/City, County/State, Country
                  1 => Town/City
                  2 => County/State
                  3 => Town/City, County/State
                  4 => Country
                  5 => State Code (ie NY)
                  6 => Town/City, County/State, State Code, Country
                  7 => Array of values
                       => [0] = success or failure
                       => [1] = Country
                       => [2] = Country Code ie. GB
                       => [3] = State Code ie. NY
                       => [4] = Country/County/State
                       => [5] = Town/City
                       => [6] = Post/ZIP Code
                       => [7] = Longitude
                       => [8] = Latitude
                       => [9] = Timezone ie. Europe/London
                       => [10] = ISP
                       => [11] = ISP
                       => [12] = ISP Full Name
                       => [13] = The IP address
   
    $ip       - The IP to get the location of
    $timeout  - Number of seconds to wait before giving up
    */
   
    public function getLocation($format = 0, $ip = '', $timeout = 5) {
        if ($ip == '')
            $ip = $_SERVER['REMOTE_ADDR'];
       
        $ch = curl_init();
       
        curl_setopt($ch, CURLOPT_URL, "http://ip-api.com/csv/" . $ip);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
       
        $data = curl_exec($ch);
        curl_close($ch);
       
        $arr = explode(",", $data);
       
        if ($arr[0] == "success") {
            // remove speech marks
            $i = 0;
            foreach ($arr as $ari) {
                $arr[$i] = str_replace('"', '', $ari);
                $i++;
            }          
           
            if ($format == 0) {
                return $arr[5] . ', ' . $arr[4] . ', ' . $arr[1];  
            } elseif ($format == 1) {
                return $arr[5];
            } elseif ($format == 2) {
                return $arr[4];
            } elseif ($format == 3) {
                return $arr[5] . ', ' . $arr[4];
            } elseif ($format == 4) {
                return $arr[1];
            } elseif ($format == 5) {
                return $arr[3];
            } elseif ($format == 6) {
                return $arr[5] . ', ' . $arr[4] . ', ' . $arr[3] . ', ' . $arr[1];
            } else {
                return $arr;
            }
        } else {
            return false;
        }
    }