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<?php
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// +----------------------------------------------------------------------
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// | ThinkLibrary 6.0 for ThinkPhP 6.0
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// +----------------------------------------------------------------------
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// | 版权所有 2017~2020 [ https://www.dtapp.net ]
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// +----------------------------------------------------------------------
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// | 官方网站: https://gitee.com/liguangchun/ThinkLibrary
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// +----------------------------------------------------------------------
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// | 开源协议 ( https://mit-license.org )
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// +----------------------------------------------------------------------
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// | gitee 仓库地址 ：https://gitee.com/liguangchun/ThinkLibrary
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// | github 仓库地址 ：https://github.com/GC0202/ThinkLibrary
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// | Packagist 地址 ：https://packagist.org/packages/liguangchun/think-library
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// +----------------------------------------------------------------------
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namespace DtApp\ThinkLibrary\service;
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use DtApp\ThinkLibrary\exception\DtaException;
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use DtApp\ThinkLibrary\Service;
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use think\App;
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/**
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* 纯真数据库
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* Class QqWryService
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* @package DtApp\ThinkLibrary\service
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*/
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class QqWryService extends Service
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{
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/**
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* QQWry.Dat文件指针
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* @var resource
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*/
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private $fp;
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/**
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* 第一条IP记录的偏移地址
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*
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* @var int
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*/
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private $firstIp;
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/**
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* 最后一条IP记录的偏移地址
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* @var int
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*/
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private $lastIp;
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/**
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* IP记录的总条数（不包含版本信息记录）
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* @var int
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*/
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private $totalIp;
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/**
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* 不存在
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* @var string
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*/
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private $unknown = '未知';
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/**
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* 构造函数，打开 QQWry.Dat 文件并初始化类中的信息
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* @param App $app
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*/
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public function __construct(App $app)
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{
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$this->fp = 0;
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if (($this->fp = fopen(__DIR__ . '/bin/qqwry.dat', 'rb')) !== false) {
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$this->firstIp = $this->getLong();
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$this->lastIp = $this->getLong();
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$this->totalIp = ($this->lastIp - $this->firstIp) / 7;
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}
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parent::__construct($app);
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}
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/**
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* 设置未知的返回字段
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* @param string $unknown
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* @return QqWryService
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*/
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public function setUnknown(string $unknown = '未知')
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{
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$this->unknown = $unknown;
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return $this;
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}
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/**
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* 获取省信息
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* @param string $ip
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* @return mixed
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* @throws DtaException
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*/
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public function getProvince(string $ip = '')
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{
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return $this->getLocation($ip)['state'];
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}
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/**
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* 获取城市信息
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* @param string $ip
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* @return mixed
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* @throws DtaException
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*/
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public function getCity(string $ip = '')
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{
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return $this->getLocation($ip)['city'];
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}
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/**
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* 获取地区信息
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* @param string $ip
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* @return mixed
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* @throws DtaException
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*/
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public function getArea(string $ip = '')
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{
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return $this->getLocation($ip)['area'];
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}
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/**
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* 获取运营商信息
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* @param string $ip
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* @return mixed
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* @throws DtaException
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*/
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public function getExtend(string $ip = '')
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{
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return $this->getLocation($ip)['extend'];
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}
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/**
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* 根据所给 IP 地址或域名返回所在地区信息
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* @param string $ip
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* @return mixed|null
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* @throws DtaException
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*/
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public function getLocation(string $ip = '')
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{
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if (empty($ip)) {
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$ip = get_ip();
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}
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if (strpos($ip, 'http://') === 0) {
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$ip = substr($ip, 7);
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$ip = gethostbyname($ip);
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}
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static $locationData = [];
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if (!isset($locationData[$ip])) {
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if (!$this->fp) {
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// 如果数据文件没有被正确打开，则直接返回错误
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throw new DtaException('数据库文件不存在!');
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}
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$location['ip'] = $ip; // 将输入的域名转化为IP地址
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$ip = $this->packIp($location['ip']); // 将输入的IP地址转化为可比较的IP地址
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// 不合法的IP地址会被转化为255.255.255.255
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// 对分搜索
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$l = 0; // 搜索的下边界
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$u = $this->totalIp; // 搜索的上边界
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$findip = $this->lastIp; // 如果没有找到就返回最后一条IP记录（QQWry.Dat的版本信息）
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while ($l <= $u) { // 当上边界小于下边界时，查找失败
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$i = floor(($l + $u) / 2); // 计算近似中间记录
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fseek($this->fp, $this->firstIp + $i * 7);
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$beginip = strrev(fread($this->fp, 4)); // 获取中间记录的开始IP地址
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// strrev函数在这里的作用是将little-endian的压缩IP地址转化为big-endian的格式
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// 以便用于比较，后面相同。
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if ($ip < $beginip) { // 用户的IP小于中间记录的开始IP地址时
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$u = $i - 1; // 将搜索的上边界修改为中间记录减一
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} else {
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fseek($this->fp, $this->getLong3());
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$endip = strrev(fread($this->fp, 4)); // 获取中间记录的结束IP地址
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if ($ip > $endip) { // 用户的IP大于中间记录的结束IP地址时
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$l = $i + 1; // 将搜索的下边界修改为中间记录加一
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} else { // 用户的IP在中间记录的IP范围内时
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$findip = $this->firstIp + $i * 7;
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break; // 则表示找到结果，退出循环
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}
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}
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}
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//获取查找到的IP地理位置信息
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fseek($this->fp, $findip);
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$location['beginip'] = long2ip($this->getLong()); // 用户IP所在范围的开始地址
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$offset = $this->getLong3();
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fseek($this->fp, $offset);
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$location['endip'] = long2ip($this->getLong()); // 用户IP所在范围的结束地址
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$byte = fread($this->fp, 1); // 标志字节
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switch (ord($byte)) {
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case 1: // 标志字节为1，表示国家和区域信息都被同时重定向
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$countryOffset = $this->getLong3(); // 重定向地址
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fseek($this->fp, $countryOffset);
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$byte = fread($this->fp, 1); // 标志字节
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switch (ord($byte)) {
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case 2: // 标志字节为2，表示国家信息又被重定向
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fseek($this->fp, $this->getLong3());
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$location['all'] = $this->getString();
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fseek($this->fp, $countryOffset + 4);
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$location['extend'] = $this->getExtendString();
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break;
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default: // 否则，表示国家信息没有被重定向
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$location['all'] = $this->getString($byte);
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$location['extend'] = $this->getExtendString();
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break;
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}
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break;
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case 2: // 标志字节为2，表示国家信息被重定向
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fseek($this->fp, $this->getLong3());
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$location['all'] = $this->getString();
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fseek($this->fp, $offset + 8);
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$location['extend'] = $this->getExtendString();
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break;
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default: // 否则，表示国家信息没有被重定向
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$location['all'] = $this->getString($byte);
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$location['extend'] = $this->getExtendString();
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break;
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}
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// CZ88.NET表示没有有效信息
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if (trim($location['all']) === 'CZ88.NET') {
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$location['all'] = $this->unknown;
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}
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if (trim($location['extend']) === 'CZ88.NET') {
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$location['extend'] = '';
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}
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$location['all'] = iconv("gb2312", "UTF-8//IGNORE", $location['all']);
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$location['extend'] = iconv("gb2312", "UTF-8//IGNORE", $location['extend']);
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$location['extend'] = $location['extend'] ?? '';
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$parseData = $this->parseLocation($location['all']);
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$location['state'] = $parseData[0];
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$location['city'] = $parseData[1];
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$location['area'] = $parseData[2];
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// 全部地址
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$res['location_all'] = $location['all'];
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// 运营商
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$res['isp']['name'] = $location['extend'];
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// IP
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$res['ip']['ipv4'] = $location['ip'];
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$res['ip']['beginip'] = $location['beginip'];
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$res['ip']['endip'] = $location['endip'];
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$res['ip']['trueip'] = ip2long($location['ip']);
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$res['ip']['ipv6'] = $this->getNormalizedIP($location['ip']);
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$getAdCodeLatLng = $this->getNameAdCodeLatLng($location['state'], $location['city'], $location['area']);
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// 省份
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$res['province'] = $getAdCodeLatLng['province'];
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// 城市
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$res['city'] = $getAdCodeLatLng['city'];
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// 地区
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$res['district'] = $getAdCodeLatLng['district'];
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$locationData[$ip] = $location;
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}
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return $res;
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}
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/**
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* 解析省市区县
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* @param $location
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* @return array
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* @example '江苏省苏州市吴江市' , '江苏省苏州市吴中区' , '江苏省苏州市昆山市' , '黑龙江省鸡西市' , '广西桂林市' , '陕西省西安市户县' , '河南省开封市通许县' ,'内蒙古呼伦贝尔市海拉尔区','甘肃省白银市平川区','孟加拉','上海市' , '北京市朝阳区' ,'美国' ,'香港' , 俄罗斯' ,'IANA'
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*/
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private function parseLocation($location)
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{
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$state = $city = $area = $this->unknown;
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if (preg_match('/^(.+省)?(新疆|内蒙古|宁夏|西藏|广西|香港|澳门)?(.+市)?(.+市)?(.+(县|区))?/', $location, $preg)) {
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if (count($preg) == 4) { //匹配 "浙江省杭州市"
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$state = $preg[1] ? $preg[1] : ($preg[2] ? $preg[2] : $preg[3]);
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$city = $preg[3];
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} else if (count($preg) == 7) { //匹配 "浙江省杭州市江干区"
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$state = $preg[1] ? $preg[1] : ($preg[2] ? $preg[2] : $preg[3]);
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$city = $preg[3];
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$area = $preg[5];
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} else if (count($preg) == 3) { //匹配 "香港"
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$state = $preg[1] ? $preg[1] : $preg[2];
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$city = $state;
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} else if (count($preg) == 2) { //匹配 "浙江省"
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$state = $preg[1] ? $preg[1] : $this->unknown;
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}
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}
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return [$state, $city, $area];
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}
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/**
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* 返回读取的长整型数
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* @return mixed
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*/
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private function getLong()
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{
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//将读取的little-endian编码的4个字节转化为长整型数
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$result = unpack('Vlong', fread($this->fp, 4));
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return $result['long'];
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}
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/**
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* 返回读取的3个字节的长整型数
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* @return mixed
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*/
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private function getLong3()
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{
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//将读取的little-endian编码的3个字节转化为长整型数
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$result = unpack('Vlong', fread($this->fp, 3) . chr(0));
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return $result['long'];
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}
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/**
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* 返回压缩后可进行比较的IP地址
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* @param $ip
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* @return false|string
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*/
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private function packIp($ip)
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{
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// 将IP地址转化为长整型数，如果在PHP5中，IP地址错误，则返回False，
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// 这时intval将Flase转化为整数-1，之后压缩成big-endian编码的字符串
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return pack('N', intval(ip2long($ip)));
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}
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/**
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* 返回读取的字符串
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*
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* @access private
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* @param string $data
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* @return string
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*/
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private function getString($data = "")
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{
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$char = fread($this->fp, 1);
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while (ord($char) > 0) { // 字符串按照C格式保存，以\0结束
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$data .= $char; // 将读取的字符连接到给定字符串之后
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$char = fread($this->fp, 1);
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}
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return $data;
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}
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/**
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* 返回地区信息
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* @return string
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*/
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private function getExtendString()
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{
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$byte = fread($this->fp, 1); // 标志字节
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switch (ord($byte)) {
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case 0: // 没有区域信息
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$area = "";
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break;
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case 1:
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case 2: // 标志字节为1或2，表示区域信息被重定向
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fseek($this->fp, $this->getLong3());
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$area = $this->getString();
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break;
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default: // 否则，表示区域信息没有被重定向
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$area = $this->getString($byte);
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break;
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}
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return $area;
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}
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/**
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* 析构函数，用于在页面执行结束后自动关闭打开的文件。
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*/
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public function __destruct()
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{
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if ($this->fp) {
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fclose($this->fp);
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}
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$this->fp = 0;
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}
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/**
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* ipv4转换ipv6
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* @param $ip
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* @return bool|false|string|string[]|null
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*/
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protected function getNormalizedIP($ip)
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{
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if (!is_string($ip)) {
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return '';
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}
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if (preg_match('%^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$%', $ip, $match)) {
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$IPParts = array();
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for ($i = 1; $i <= 4; $i++) {
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$IPPart = (int)$match[$i];
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if ($IPPart > 255) {
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return '';
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}
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$IPParts[$i] = str_pad(decHex($IPPart), 2, '0', STR_PAD_LEFT);
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}
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return '0000:0000:0000:0000:0000:ffff:' . $IPParts[1] . $IPParts[2] . ':' . $IPParts[3] . $IPParts[4];
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}
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return '';
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}
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/**
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* 解析CODE
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* @param $province_name
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* @param $city_name
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* @param $district_name
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* @return array
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*/
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private function getNameAdCodeLatLng($province_name, $city_name, $district_name)
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{
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// 名称
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$province['name'] = $province_name;
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$city['name'] = $city_name;
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$district['name'] = $district_name;
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// adcode
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$province['adcode'] = '';
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$city['adcode'] = '';
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$district['adcode'] = '';
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// lat
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$province['lat'] = '';
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$city['lat'] = '';
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$district['lat'] = '';
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// lng
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$province['lng'] = '';
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$city['lng'] = '';
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$district['lng'] = '';
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if (!empty($province_name)) {
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$json_province = json_decode(file_get_contents(__DIR__ . '/bin/province.json'), true);
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foreach ($json_province['rows'] as $key => $value) {
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if ($value['name'] == $province_name) {
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$province['name'] = $value['name'];
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$province['adcode'] = $value['adcode'];
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$province['lat'] = $value['lat'];
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$province['lng'] = $value['lng'];
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}
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}
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}
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if (!empty($city_name)) {
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$json_city = json_decode(file_get_contents(__DIR__ . '/bin/city.json'), true);
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foreach ($json_city['rows'] as $key => $value) {
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|
if ($value['name'] == $city_name) {
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|
$city['name'] = $value['name'];
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$city['adcode'] = $value['adcode'];
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|
$city['lat'] = $value['lat'];
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$city['lng'] = $value['lng'];
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|
}
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|
}
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|
}
|
|
|
if (!empty($district_name)) {
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|
|
$json_district = json_decode(file_get_contents(__DIR__ . '/bin/district.json'), true);
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|
|
foreach ($json_district['rows'] as $key => $value) {
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|
|
if ($value['name'] == $district_name) {
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|
$district['name'] = $value['name'];
|
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|
$district['adcode'] = $value['adcode'];
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|
|
$district['lat'] = $value['lat'];
|
|
|
$district['lng'] = $value['lng'];
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return [
|
|
|
'province' => $province,
|
|
|
'city' => $city,
|
|
|
'district' => $district
|
|
|
];
|
|
|
}
|
|
|
}
|
