আমি "চন্দ্র নাক্কা" উত্তরের উপর ভিত্তি করে একটি ক্লাস লিখেছি। আশা করি এটি জিওপ্লাগিন থেকে একটি সেশনে তথ্য সংরক্ষণে লোকদের সহায়তা করতে পারে তাই তথ্যগুলি পুনরুদ্ধার করার সময় লোডটি আরও দ্রুত হয়। এটি একটি বেসরকারী অ্যারেতে মানগুলিও সংরক্ষণ করে তাই একই কোডে পুনর্নির্মাণ এটি যত দ্রুত সম্ভব is
class Geo {
private $_ip = null;
private $_useSession = true;
private $_sessionNameData = 'GEO_SESSION_DATA';
private $_hasError = false;
private $_geoData = [];
const PURPOSE_SUPPORT = [
"all", "*", "location",
"request",
"latitude",
"longitude",
"accuracy",
"timezonde",
"currencycode",
"currencysymbol",
"currencysymbolutf8",
"country",
"countrycode",
"state", "region",
"city",
"address",
"continent",
"continentcode"
];
const CONTINENTS = [
"AF" => "Africa",
"AN" => "Antarctica",
"AS" => "Asia",
"EU" => "Europe",
"OC" => "Australia (Oceania)",
"NA" => "North America",
"SA" => "South America"
];
function __construct($ip = null, $deepDetect = true, $useSession = true)
{
// define the session useage within this class
$this->_useSession = $useSession;
$this->_startSession();
// define a ip as far as possible
$this->_ip = $this->_defineIP($ip, $deepDetect);
// check if the ip was set
if (!$this->_ip) {
$this->_hasError = true;
return $this;
}
// define the geoData
$this->_geoData = $this->_fetchGeoData();
return $this;
}
function get($purpose)
{
// making sure its lowercase
$purpose = strtolower($purpose);
// makeing sure there are no error and the geodata is not empty
if ($this->_hasError || !count($this->_geoData) && !in_array($purpose, self::PURPOSE_SUPPORT)) {
return 'error';
}
if (in_array($purpose, ['*', 'all', 'location'])) {
return $this->_geoData;
}
if ($purpose === 'state') $purpose = 'region';
return (isset($this->_geoData[$purpose]) ? $this->_geoData[$purpose] : 'missing: '.$purpose);
}
private function _fetchGeoData()
{
// check if geo data was set before
if (count($this->_geoData)) {
return $this->_geoData;
}
// check possible session
if ($this->_useSession && ($sessionData = $this->_getSession($this->_sessionNameData))) {
return $sessionData;
}
// making sure we have a valid ip
if (!$this->_ip || $this->_ip === '127.0.0.1') {
return [];
}
// fetch the information from geoplusing
$ipdata = @json_decode($this->curl("http://www.geoplugin.net/json.gp?ip=" . $this->_ip));
// check if the data was fetched
if (!@strlen(trim($ipdata->geoplugin_countryCode)) === 2) {
return [];
}
// make a address array
$address = [$ipdata->geoplugin_countryName];
if (@strlen($ipdata->geoplugin_regionName) >= 1)
$address[] = $ipdata->geoplugin_regionName;
if (@strlen($ipdata->geoplugin_city) >= 1)
$address[] = $ipdata->geoplugin_city;
// makeing sure the continentCode is upper case
$continentCode = strtoupper(@$ipdata->geoplugin_continentCode);
$geoData = [
'request' => @$ipdata->geoplugin_request,
'latitude' => @$ipdata->geoplugin_latitude,
'longitude' => @$ipdata->geoplugin_longitude,
'accuracy' => @$ipdata->geoplugin_locationAccuracyRadius,
'timezonde' => @$ipdata->geoplugin_timezone,
'currencycode' => @$ipdata->geoplugin_currencyCode,
'currencysymbol' => @$ipdata->geoplugin_currencySymbol,
'currencysymbolutf8' => @$ipdata->geoplugin_currencySymbol_UTF8,
'city' => @$ipdata->geoplugin_city,
'region' => @$ipdata->geoplugin_regionName,
'country' => @$ipdata->geoplugin_countryName,
'countrycode' => @$ipdata->geoplugin_countryCode,
'continent' => self::CONTINENTS[$continentCode],
'continentcode' => $continentCode,
'address' => implode(", ", array_reverse($address))
];
if ($this->_useSession) {
$this->_setSession($this->_sessionNameData, $geoData);
}
return $geoData;
}
private function _startSession()
{
// only start a new session when the status is 'none' and the class
// requires a session
if ($this->_useSession && session_status() === PHP_SESSION_NONE) {
session_start();
}
}
private function _defineIP($ip, $deepDetect)
{
// check if the ip was set before
if ($this->_ip) {
return $this->_ip;
}
// check if the ip given is valid
if (filter_var($ip, FILTER_VALIDATE_IP)) {
return $ip;
}
// try to get the ip from the REMOTE_ADDR
$ip = filter_input(INPUT_SERVER, 'REMOTE_ADDR', FILTER_VALIDATE_IP);
// check if we need to end the search for a IP if the REMOTE_ADDR did not
// return a valid and the deepDetect is false
if (!$deepDetect) {
return $ip;
}
// try to get the ip from HTTP_X_FORWARDED_FOR
if (($ip = filter_input(INPUT_SERVER, 'HTTP_X_FORWARDED_FOR', FILTER_VALIDATE_IP))) {
return $ip;
}
// try to get the ip from the HTTP_CLIENT_IP
if (($ip = filter_input(INPUT_SERVER, 'HTTP_CLIENT_IP', FILTER_VALIDATE_IP))) {
return $ip;
}
return $ip;
}
private function _hasSession($key, $filter = FILTER_DEFAULT)
{
return (isset($_SESSION[$key]) ? (bool)filter_var($_SESSION[$key], $filter) : false);
}
private function _getSession($key, $filter = FILTER_DEFAULT)
{
if ($this->_hasSession($key, $filter)) {
$value = filter_var($_SESSION[$key], $filter);
if (@json_decode($value)) {
return json_decode($value, true);
}
return filter_var($_SESSION[$key], $filter);
} else {
return false;
}
}
private function _setSession($key, $value)
{
if (is_array($value)) {
$value = json_encode($value);
}
$_SESSION[$key] = $value;
}
function emptySession($key) {
if (!$this->_hasSession($key)) {
return;
}
$_SESSION[$key] = null;
unset($_SESSION[$key]);
}
function curl($url)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($ch);
curl_close($ch);
return $output;
}
}
এই শ্রেণীর সাথে 'অপ' প্রশ্নটির উত্তর দিয়ে আপনি কল করতে পারেন
$country = (new \Geo())->get('country'); // United Kingdom
এবং উপলব্ধ অন্যান্য বৈশিষ্ট্যগুলি হ'ল:
$geo = new \Geo('185.35.50.4');
var_dump($geo->get('*')); // allias all / location
var_dump($geo->get('country'));
var_dump($geo->get('countrycode'));
var_dump($geo->get('state')); // allias region
var_dump($geo->get('city'));
var_dump($geo->get('address'));
var_dump($geo->get('continent'));
var_dump($geo->get('continentcode'));
var_dump($geo->get('request'));
var_dump($geo->get('latitude'));
var_dump($geo->get('longitude'));
var_dump($geo->get('accuracy'));
var_dump($geo->get('timezonde'));
var_dump($geo->get('currencyCode'));
var_dump($geo->get('currencySymbol'));
var_dump($geo->get('currencySymbolUTF8'));
ফিরতি
array(15) {
["request"]=>
string(11) "185.35.50.4"
["latitude"]=>
string(7) "51.4439"
["longitude"]=>
string(7) "-0.1854"
["accuracy"]=>
string(2) "50"
["timezonde"]=>
string(13) "Europe/London"
["currencycode"]=>
string(3) "GBP"
["currencysymbol"]=>
string(2) "£"
["currencysymbolutf8"]=>
string(2) "£"
["city"]=>
string(10) "Wandsworth"
["region"]=>
string(10) "Wandsworth"
["country"]=>
string(14) "United Kingdom"
["countrycode"]=>
string(2) "GB"
["continent"]=>
string(6) "Europe"
["continentcode"]=>
string(2) "EU"
["address"]=>
string(38) "Wandsworth, Wandsworth, United Kingdom"
}
string(14) "United Kingdom"
string(2) "GB"
string(10) "Wandsworth"
string(10) "Wandsworth"
string(38) "Wandsworth, Wandsworth, United Kingdom"
string(6) "Europe"
string(2) "EU"
string(11) "185.35.50.4"
string(7) "51.4439"
string(7) "-0.1854"
string(2) "50"
string(13) "Europe/London"
string(3) "GBP"
string(2) "£"
string(2) "£"