随着微信支付的升级,PHP微信支付类V3接口也来了
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不知不觉微信支付也更新了,接口版本也升级到了V3,跟着微信的升级,将个人使用微信支付类也进行了升级
V3微信支付文档:https://pay.weixin.qq.com/wiki/doc/apiv3/index.shtml
使用方法还和之前的一样(V2微信支付),直接传递参数就可使用:
新版新增了composer安装,便于集成框架使用(Github地址):
- composer require fengkui/pay
首先把配置文件填写完整(细心不要填错,否则会导致签名错误):
- # 微信支付配置
- $wechatConfig = [
- 'xcxid' => '', // 小程序 appid
- 'appid' => '', // 微信支付 appid
- 'mchid' => '', // 微信支付 mch_id 商户收款账号
- 'key' => '', // 微信支付 apiV3key(尽量包含大小写字母,否则验签不通过)
- 'appsecret' => '', // 公众帐号 secert (公众号支付获取 code 和 openid 使用)
- 'notify_url' => '', // 接收支付状态的连接 改成自己的回调地址
- 'redirect_url' => '', // 公众号支付,调起支付页面
- 'serial_no' => '', // 证书序列号
- 'cert_client' => './cert/apiclient_cert.pem', // 证书(退款,红包时使用)
- 'cert_key' => './cert/apiclient_key.pem', // 商户私钥(Api安全中下载)
- 'public_key' => './cert/public_key.pem', // 平台公钥(调动证书列表,自动生成)
- ];
支付类封装相关方法:
method | 描述 |
---|---|
js | JSAPI下单 |
app | APP支付 |
h5 | H5支付 |
scan | Navicat支付 |
xcx | 小程序支付 |
query | 查询订单 |
close | 关闭订单 |
refund | 申请退款 |
notify | 支付结果通知 |
使用方法(这里已小程序支付为示例):
- <?php
- require_once('./vendor/autoload.php');
- $config = []; // 支付配置
- $order = [
- 'order_sn' => time(), // 订单编号
- 'total_amount' => 1, // 订单金额(分)
- 'body' => '测试商品', // 商品名称
- 'openid' => '', // 用户openid
- // 'type' => 'Wap',
- ];
- $wechat = new fengkui\Pay\Wechat($config);
- $re = $wechat->xcx($order);
- die(json_encode($re)); // JSON化直接返回小程序客户端
如下代码是封装好的完整支付类文件(Wechat.php),可以根据自己需求随意修改,详细的使用方法后期会有文档:
- <?php
- /**
- * @Author: [FENG] <1161634940@qq.com>
- * @Date: 2019-09-06 09:50:30
- * @Last Modified by: [FENG] <1161634940@qq.com>
- * @Last Modified time: 2021-07-12 18:24:18
- */
- namespace fengkui\Pay;
- use Exception;
- use RuntimeException;
- use fengkui\Supports\Http;
- /**
- * Wechat 微信支付
- * 新版(V3)接口(更新中)
- */
- class Wechat
- {
- const AUTH_TAG_LENGTH_BYTE = 16;
- // 新版相关接口
- // GET 获取平台证书列表
- private static $certificatesUrl = 'https://api.mch.weixin.qq.com/v3/certificates';
- // 统一下订单管理
- private static $transactionsUrl = 'https://api.mch.weixin.qq.com/v3/pay/transactions/';
- // 申请退款
- private static $refundUrl = 'https://api.mch.weixin.qq.com/v3/refund/domestic/refunds';
- // 静默授权,获取code
- private static $authorizeUrl = 'https://open.weixin.qq.com/connect/oauth2/authorize';
- // 通过code获取access_token以及openid
- private static $accessTokenUrl = 'https://api.weixin.qq.com/sns/oauth2/access_token';
- // 支付完整配置
- private static $config = array(
- 'xcxid' => '', // 小程序appid
- 'appid' => '', // 微信支付appid
- 'mchid' => '', // 微信支付 mch_id 商户收款账号
- 'key' => '', // 微信支付 apiV3key(尽量包含大小写字母,否则验签不通过)
- 'appsecret' => '', // 公众帐号 secert (公众号支付获取code 和 openid使用)
- 'notify_url' => '', // 接收支付状态的连接 改成自己的回调地址
- 'redirect_url' => '', // 公众号支付,调起支付页面
- 'serial_no' => '', // 证书序列号
- 'cert_client' => './cert/apiclient_cert.pem', // 证书(退款,红包时使用)
- 'cert_key' => './cert/apiclient_key.pem', // 商户私钥(Api安全中下载)
- 'public_key' => './cert/public_key.pem', // 平台公钥(调动证书列表,自动生成)
- );
- /**
- * [__construct 构造函数]
- * @param [type] $config [传递微信支付相关配置]
- */
- public function __construct($config=NULL, $referer=NULL){
- $config && self::$config = array_merge(self::$config, $config);
- }
- /**
- * [unifiedOrder 统一下单]
- * @param [type] $order [订单信息(必须包含支付所需要的参数)]
- * @param boolean $type [区分是否是小程序,是则传 true]
- * @return [type] [description]
- * $order = array(
- * 'body' => '', // 产品描述
- * 'order_sn' => '', // 订单编号
- * 'total_amount' => '', // 订单金额(分)
- * );
- */
- public static function unifiedOrder($order, $type=false)
- {
- $config = array_filter(self::$config);
- // 获取配置项
- $params = array(
- 'appid' => $type ? $config['xcxid'] : $config['appid'], // 由微信生成的应用ID
- 'mchid' => $config['mchid'], // 直连商户的商户号
- 'description' => $order['body'], // 商品描述
- 'out_trade_no' => (string)$order['order_sn'], // 商户系统内部订单号
- 'notify_url' => $config['notify_url'], // 通知URL必须为直接可访问的URL
- 'amount' => ['total' => (int)$order['total_amount'], 'currency' => 'CNY'], // 订单金额信息
- );
- !empty($order['attach']) && $params['attach'] = $order['attach']; // 附加数据
- if (!empty($order['time_expire'])) { // 订单失效时间
- preg_match('/[年\/-]/', $order['time_expire']) && $order['time_expire'] = strtotime($order['time_expire']);
- $time = $order['time_expire'] > time() ? $order['time_expire'] : $order['time_expire'] + time();
- $params['time_expire'] = date(DATE_ATOM, $time);
- }
- if (!in_array($order['type'], ['native'])) {
- !empty($order['openid']) && $params['payer'] = ['openid' => $order['openid']];
- $params['scene_info'] = ['payer_client_ip' => self::get_ip()];
- }
- if (in_array($order['type'], ['iOS', 'Android', 'Wap'])) {
- $params['scene_info']['h5_info'] = ['type' => $order['type']];
- $url = self::$transactionsUrl . 'h5'; // 拼接请求地址
- } else {
- $url = self::$transactionsUrl . strtolower($order['type']); // 拼接请求地址
- }
- $header = self::createAuthorization($url, $params, 'POST');
- $response = Http::post($url, json_encode($params, JSON_UNESCAPED_UNICODE), $header);
- $result = json_decode($response, true);
- if (isset($result['code']) && isset($result['message'])) {
- throw new \Exception("[" . $result['code'] . "] " . $result['message']);
- }
- return $result;
- }
- /**
- * [query 查询订单]
- * @param [type] $orderSn [订单编号]
- * @param boolean $type [微信支付订单编号,是否是微信支付订单号]
- * @return [type] [description]
- */
- public static function query($orderSn, $type = false)
- {
- $config = self::$config;
- $url = self::$transactionsUrl . ($type ? 'id/' : 'out-trade-no/') . $orderSn . '?mchid=' . $config['mchid'];
- $params = '';
- $header = self::createAuthorization($url, $params, 'GET');
- $response = Http::get($url, $params, $header);
- $result = json_decode($response, true);
- return $result;
- }
- /**
- * [close 关闭订单]
- * @param [type] $orderSn [微信支付订单编号]
- * @return [type] [description]
- */
- public static function close($orderSn)
- {
- $config = self::$config;
- $url = self::$transactionsUrl . 'out-trade-no/' . $orderSn . '/close';
- $params['mchid'] = $config['mchid'];
- $header = self::createAuthorization($url, $params, 'POST');
- $response = Http::post($url, json_encode($params, JSON_UNESCAPED_UNICODE), $header);
- $result = json_decode($response, true);
- return true;
- }
- /**
- * [js 获取jssdk需要用到的数据]
- * @param [type] $order [订单信息数组]
- * @return [type] [description]
- */
- public static function js($order=[]){
- $config = self::$config;
- if (!is_array($order) || count($order) < 3)
- die("订单数组信息缺失!");
- if (count($order) == 4 && !empty($order['openid'])) {
- $data = self::xcx($order, false, false); // 获取支付相关信息(获取非小程序信息)
- return $data;
- }
- $code = !empty($order['code']) ? $order['code'] : ($_GET['code'] ?? '');
- $redirectUri = $_SERVER['REQUEST_SCHEME'] . '://' . $_SERVER['HTTP_HOST'] . rtrim($_SERVER['REQUEST_URI'], '/') . '/'; // 重定向地址
- $params = ['appid' => $config['appid']];
- // 如果没有get参数没有code;则重定向去获取code;
- if (empty($code)) {
- $params['redirect_uri'] = $redirectUri; // 返回的url
- $params['response_type'] = 'code';
- $params['scope'] = 'snsapi_base';
- $params['state'] = $order['order_sn']; // 获取订单号
- $url = self::$authorizeUrl . '?'. http_build_query($params) .'#wechat_redirect';
- } else {
- $params['secret'] = $config['appsecret'];
- $params['code'] = $code;
- $params['grant_type'] = 'authorization_code';
- $response = Http::get(self::$accessTokenUrl, $params); // 进行GET请求
- $result = json_decode($response, true);
- $order['openid'] = $result['openid']; // 获取到的openid
- $data = self::xcx($order, false, false); // 获取支付相关信息(获取非小程序信息)
- if (!empty($order['code'])) {
- return $data;
- }
- $url = $config['redirect_url'] ?? $redirectUri;
- $url .= '?data=' . json_encode($data, JSON_UNESCAPED_UNICODE);
- }
- header('Location: '. $url);
- die;
- }
- /**
- * [app 获取APP支付需要用到的数据]
- * @param [type] $order [订单信息数组]
- * @return [type] [description]
- */
- public static function app($order=[], $log=false)
- {
- if(empty($order['order_sn']) || empty($order['total_amount']) || empty($order['body'])){
- die("订单数组信息缺失!");
- }
- $order['type'] = 'app'; // 获取订单类型,用户拼接请求地址
- $result = self::unifiedOrder($order, true);
- if (!empty($result['prepay_id'])) {
- $data = array (
- 'appId' => self::$config['appid'], // 微信开放平台审核通过的移动应用appid
- 'timeStamp' => (string)time(),
- 'nonceStr' => self::get_rand_str(32, 0, 1), // 随机32位字符串
- 'prepayid' => $result['prepay_id'],
- );
- $data['paySign'] = self::makeSign($data);
- $data['partnerid'] = $config['mchid'];
- $data['package'] = 'Sign=WXPay';
- return $data; // 数据小程序客户端
- } else {
- return $log ? $result : false;
- }
- }
- /**
- * [h5 微信H5支付]
- * @param [type] $order [订单信息数组]
- * @return [type] [description]
- */
- public static function h5($order=[], $log=false)
- {
- if(empty($order['order_sn']) || empty($order['total_amount']) || empty($order['body']) || empty($order['type']) || !in_array(strtolower($order['type']), ['ios', 'android', 'wap'])){
- die("订单数组信息缺失!");
- }
- $result = self::unifiedOrder($order);
- if (!empty($result['h5_url'])) {
- return $result['h5_url']; // 返回链接让用户点击跳转
- } else {
- return $log ? $result : false;
- }
- }
- /**
- * [xcx 获取jssdk需要用到的数据]
- * @param [type] $order [订单信息数组]
- * @param boolean $log [description]
- * @param boolean $type [区分是否是小程序,默认 true]
- * @return [type] [description]
- */
- public static function xcx($order=[], $log=false, $type=true)
- {
- if(empty($order['order_sn']) || empty($order['total_amount']) || empty($order['body']) || empty($order['openid'])){
- die("订单数组信息缺失!");
- }
- $order['type'] = 'jsapi'; // 获取订单类型,用户拼接请求地址
- $config = self::$config;
- $result = self::unifiedOrder($order, $type);
- if (!empty($result['prepay_id'])) {
- $data = array (
- 'appId' => $type ? $config['xcxid'] : $config['appid'], // 由微信生成的应用ID
- 'timeStamp' => (string)time(),
- 'nonceStr' => self::get_rand_str(32, 0, 1), // 随机32位字符串
- 'package' => 'prepay_id='.$result['prepay_id'],
- );
- $data['paySign'] = self::makeSign($data);
- $data['signType'] = 'RSA';
- return $data; // 数据小程序客户端
- } else {
- return $log ? $result : false;
- }
- }
- /**
- * [scan 微信扫码支付]
- * @param [type] $order [订单信息数组]
- * @return [type] [description]
- */
- public static function scan($order=[], $log=false)
- {
- if(empty($order['order_sn']) || empty($order['total_amount']) || empty($order['body'])){
- die("订单数组信息缺失!");
- }
- $order['type'] = 'native'; // Native支付
- $result = self::unifiedOrder($order);
- if (!empty($result['code_url'])) {
- return urldecode($result['code_url']); // 返回链接让用户点击跳转
- } else {
- return $log ? $result : false;
- }
- }
- /**
- * [notify 回调验证]
- * @return [array] [返回数组格式的notify数据]
- */
- public static function notify($server = [], $response = [])
- {
- $config = self::$config;
- $server = $server ?? $_SERVER;
- $response = $response ?? file_get_contents('php://input', 'r');
- if (empty($response) || empty($server['HTTP_WECHATPAY_SIGNATURE'])) {
- return false;
- }
- $body = [
- 'timestamp' => $server['HTTP_WECHATPAY_TIMESTAMP'],
- 'nonce' => $server['HTTP_WECHATPAY_NONCE'],
- 'data' => $response,
- ];
- // 验证应答签名
- $verifySign = self::verifySign($body, trim($server['HTTP_WECHATPAY_SIGNATURE']), trim($server['HTTP_WECHATPAY_SERIAL']));
- if (!$verifySign) {
- die("签名验证失败!");
- }
- $result = json_decode($response, true);
- if (empty($result) || $result['event_type'] != 'TRANSACTION.SUCCESS' || $result['summary'] != '支付成功') {
- return false;
- }
- // 加密信息
- $associatedData = $result['resource']['associated_data'];
- $nonceStr = $result['resource']['nonce'];
- $ciphertext = $result['resource']['ciphertext'];
- $data = $result['resource']['ciphertext'] = self::decryptToString($associatedData, $nonceStr, $ciphertext);
- return json_decode($data, true);
- }
- /**
- * [refund 微信支付退款]
- * @param [type] $order [订单信息]
- * @param [type] $type [是否是小程序]
- */
- public static function refund($order)
- {
- $config = self::$config;
- if(empty($order['refund_sn']) || empty($order['refund_amount']) || (empty($order['order_sn']) && empty($order['transaction_id']))){
- die("订单数组信息缺失!");
- }
- $params = array(
- 'out_refund_no' => (string)$order['refund_sn'], // 商户退款单号
- 'funds_account' => 'AVAILABLE', // 退款资金来源
- 'amount' => [
- 'refund' => $order['refund_amount'],
- 'currency' => 'CNY',
- ]
- );
- if (!empty($order['transaction_id'])) {
- $params['transaction_id'] = $order['transaction_id'];
- $orderDetail = self::query($order['transaction_id'], true);
- } else {
- $params['out_trade_no'] = $order['order_sn'];
- $orderDetail = self::query($order['order_sn']);
- }
- $params['amount']['total'] = $orderDetail['amount']['total'];
- !empty($order['reason']) && $params['reason'] = $order['reason'];
- $url = self::$refundUrl;
- $header = self::createAuthorization($url, $params, 'POST');
- $response = Http::post($url, json_encode($params, JSON_UNESCAPED_UNICODE), $header);
- $result = json_decode($response, true);
- return $result;
- }
- /**
- * [queryRefund 查询退款]
- * @param [type] $refundSn [退款单号]
- * @return [type] [description]
- */
- public static function queryRefund($refundSn, $type = false)
- {
- $url = self::$refundUrl . '/' . $refundSn;
- $params = '';
- $header = self::createAuthorization($url, $params, 'GET');
- $response = Http::get($url, $params, $header);
- $result = json_decode($response, true);
- return $result;
- }
- /**
- * [success 通知支付状态]
- */
- public static function success()
- {
- $str = ['code'=>'SUCCESS', 'message'=>'成功'];
- die(json_encode($str, JSON_UNESCAPED_UNICODE));
- }
- /**
- * [createAuthorization 获取接口授权header头信息]
- * @param [type] $url [请求地址]
- * @param array $data [请求参数]
- * @param string $method [请求方式]
- * @return [type] [description]
- */
- //生成v3 Authorization
- protected static function createAuthorization($url, $data=[], $method='POST'){
- $config = self::$config;
- //商户号
- $mchid = $config['mchid'];
- // 证书序列号
- if (empty($config['serial_no'])) {
- $certFile = @file_get_contents($config['cert_client']);
- $certArr = openssl_x509_parse($publicStr);
- $serial_no = $certArr['serialNumberHex'];
- } else {
- $serial_no = $config['serial_no'];
- }
- // 解析url地址
- $url_parts = parse_url($url);
- //生成签名
- $body = [
- 'method' => $method,
- 'url' => ($url_parts['path'] . (!empty($url_parts['query']) ? "?${url_parts['query']}" : "")),
- 'time' => time(), // 当前时间戳
- 'nonce' => self::get_rand_str(32, 0, 1), // 随机32位字符串
- 'data' => (strtolower($method) == 'post' ? json_encode($data, JSON_UNESCAPED_UNICODE) : $data), // POST请求时 需要 转JSON字符串
- ];
- $sign = self::makeSign($body);
- //Authorization 类型
- $schema = 'WECHATPAY2-SHA256-RSA2048';
- //生成token
- $token = sprintf('mchid="%s",nonce_str="%s",timestamp="%d",serial_no="%s",signature="%s"', $mchid, $body['nonce'], $body['time'], $serial_no, $sign);
- $header = [
- 'Content-Type:application/json',
- 'Accept:application/json',
- 'User-Agent:*/*',
- 'Authorization: '. $schema . ' ' . $token
- ];
- return $header;
- }
- /**
- * [makeSign 生成签名]
- * @param [type] $data [加密数据]
- * @return [type] [description]
- */
- public static function makeSign($data)
- {
- $config = self::$config;
- if (!in_array('sha256WithRSAEncryption', \openssl_get_md_methods(true))) {
- throw new \RuntimeException("当前PHP环境不支持SHA256withRSA");
- }
- // 拼接生成签名所需的字符串
- $message = '';
- foreach ($data as $value) {
- $message .= $value . "\n";
- }
- // 商户私钥
- $private_key = self::getPrivateKey($config['cert_key']);
- // 生成签名
- openssl_sign($message, $sign, $private_key, 'sha256WithRSAEncryption');
- $sign = base64_encode($sign);
- return $sign;
- }
- /**
- * [verifySign 验证签名]
- * @param [type] $data [description]
- * @param [type] $sign [description]
- * @param [type] $serial [description]
- * @return [type] [description]
- */
- public static function verifySign($data, $sign, $serial)
- {
- $config = self::$config;
- if (!in_array('sha256WithRSAEncryption', \openssl_get_md_methods(true))) {
- throw new \RuntimeException("当前PHP环境不支持SHA256withRSA");
- }
- $sign = \base64_decode($sign);
- // 拼接生成签名所需的字符串
- $message = '';
- foreach ($data as $value) {
- $message .= $value . "\n";
- }
- // 获取证书相关信息
- self::certificates($serial);
- // 平台公钥
- $public_key = self::getPublicKey($config['public_key']); //平台公钥
- // 验证签名
- $recode = \openssl_verify($message, $sign, $public_key, 'sha256WithRSAEncryption');
- return $recode == 1 ? true : false;
- }
- //获取私钥
- public static function getPrivateKey($filepath)
- {
- return openssl_pkey_get_private(file_get_contents($filepath));
- }
- //获取公钥
- public static function getPublicKey($filepath)
- {
- return openssl_pkey_get_public(file_get_contents($filepath));
- }
- /**
- * [certificates 获取证书]
- * @return [type] [description]
- */
- public static function certificates($serial)
- {
- $config = self::$config;
- $publicStr = @file_get_contents($config['public_key']);
- if ($publicStr) { // 判断证书是否存在
- $openssl = openssl_x509_parse($publicStr);
- if ($openssl['serialNumberHex'] == $serial) { // 是否是所需证书
- // return self::getPublicKey($config['public_key']); //平台公钥
- return '';
- }
- }
- $url = self::$certificatesUrl;
- $params = '';
- $header = self::createAuthorization($url, $params, 'GET');
- $response = Http::get($url, $params, $header);
- $result = json_decode($response, true);
- if (empty($result['data'])) {
- throw new RuntimeException("[" . $result['code'] . "] " . $result['message']);
- }
- foreach ($result['data'] as $key => $certificate) {
- if ($certificate['serial_no'] == $serial) {
- $publicKey = self::decryptToString(
- $certificate['encrypt_certificate']['associated_data'],
- $certificate['encrypt_certificate']['nonce'],
- $certificate['encrypt_certificate']['ciphertext']
- );
- file_put_contents($config['public_key'], $publicKey);
- break; // 终止循环
- }
- // self::$publicKey[$certificate['serial_no']] = $publicKey;
- }
- // return self::getPublicKey($config['public_key']); //平台公钥
- }
- /**
- * [decryptToString 证书和回调报文解密]
- * @param [type] $associatedData [附加数据包(可能为空)]
- * @param [type] $nonceStr [加密使用的随机串初始化向量]
- * @param [type] $ciphertext [Base64编码后的密文]
- * @return [type] [description]
- */
- public static function decryptToString($associatedData, $nonceStr, $ciphertext)
- {
- $config = self::$config;
- $ciphertext = base64_decode($ciphertext);
- if (strlen($ciphertext) <= self::AUTH_TAG_LENGTH_BYTE) {
- return false;
- }
- // ext-sodium (default installed on >= PHP 7.2)
- if (function_exists('\sodium_crypto_aead_aes256gcm_is_available') &&
- \sodium_crypto_aead_aes256gcm_is_available()) {
- return \sodium_crypto_aead_aes256gcm_decrypt($ciphertext, $associatedData, $nonceStr, $config['key']);
- }
- // ext-libsodium (need install libsodium-php 1.x via pecl)
- if (function_exists('\Sodium\crypto_aead_aes256gcm_is_available') &&
- \Sodium\crypto_aead_aes256gcm_is_available()) {
- return \Sodium\crypto_aead_aes256gcm_decrypt($ciphertext, $associatedData, $nonceStr, $config['key']);
- }
- // openssl (PHP >= 7.1 support AEAD)
- if (PHP_VERSION_ID >= 70100 && in_array('aes-256-gcm', \openssl_get_cipher_methods())) {
- $ctext = substr($ciphertext, 0, -self::AUTH_TAG_LENGTH_BYTE);
- $authTag = substr($ciphertext, -self::AUTH_TAG_LENGTH_BYTE);
- return \openssl_decrypt($ctext, 'aes-256-gcm', $config['key'], \OPENSSL_RAW_DATA, $nonceStr,
- $authTag, $associatedData);
- }
- throw new \RuntimeException('AEAD_AES_256_GCM需要PHP 7.1以上或者安装libsodium-php');
- }
- /** fengkui.net
- * [get_rand_str 获取随机字符串]
- * @param integer $randLength [长度]
- * @param integer $addtime [是否加入当前时间戳]
- * @param integer $includenumber [是否包含数字]
- * @return [type] [description]
- */
- public static function get_rand_str($randLength=6, $addtime=0, $includenumber=1)
- {
- if ($includenumber)
- $chars='abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNPQEST123456789';
- $chars='abcdefghijklmnopqrstuvwxyz';
- $len = strlen($chars);
- $randStr = '';
- for ($i=0; $i<$randLength; $i++){
- $randStr .= $chars[rand(0, $len-1)];
- }
- $tokenvalue = $randStr;
- $addtime && $tokenvalue = $randStr . time();
- return $tokenvalue;
- }
- /** fengkui.net
- * [get_ip 定义一个函数get_ip() 客户端IP]
- * @return [type] [description]
- */
- public static function get_ip()
- {
- if (getenv("HTTP_CLIENT_IP"))
- $ip = getenv("HTTP_CLIENT_IP");
- else if(getenv("HTTP_X_FORWARDED_FOR"))
- $ip = getenv("HTTP_X_FORWARDED_FOR");
- else if(getenv("REMOTE_ADDR"))
- $ip = getenv("REMOTE_ADDR");
- else $ip = "Unknow";
- if(preg_match('/^((?:(?:25[0-5]|2[0-4]\d|((1\d{2})|([1-9]?\d)))\.){3}(?:25[0-5]|2[0-4]\d|((1\d{2})|([1 -9]?\d))))$/', $ip))
- return $ip;
- else
- return '';
- }
- }
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