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Example code of larva/laravel-ip2region

Informations about the package laravel-ip2region

laravel-ip2region

Laravel 的 ip2region 位置查询模块

Latest Stable Version Latest Unstable Version

本库基于 ip2region ，简单整合方便使用Composer来管理。

Ip2region 是什么？

ip2region - 准确率 99.9% 的离线IP地址定位库，0.0x 毫秒级查询，ip2region.db 数据库只有数MB，提供了查询绑定和 Binary, B 树，内存三种查询算法。

Ip2region 特性

99.9%准确率

数据聚合了一些知名ip到地名查询提供商的数据，这些是他们官方的的准确率，经测试着实比经典的纯真IP定位准确一些。
ip2region的数据聚合自以下服务商的开放API或者数据(升级程序每秒请求次数2到4次):
01, >80%, 淘宝IP地址库, http://ip.taobao.com/
02, ≈10%, GeoIP, https://geoip.com/
03, ≈2%, 纯真IP库, http://www.cz88.net/
备注：如果上述开放API或者数据都不给开放数据时ip2region将停止数据的更新服务。

标准化的数据格式

每条ip数据段都固定了格式：

只有中国的数据精确到了城市，其他国家有部分数据只能定位到国家，后前的选项全部是0，已经包含了全部你能查到的大大小小的国家（请忽略前面的城市Id，个人项目需求）。

体积小

包含了全部的 IP，生成的数据库文件 ip2region.db 只有几MB，最小的版本只有 1.5MB，随着数据的详细度增加数据库的大小也慢慢增大，目前还没超过8MB。

查询速度快

全部的查询客户端单次查询都在 0.x 毫秒级别，内置了三种查询算法

  1. memory 算法：整个数据库全部载入内存，单次查询都在 0.1x 毫秒内，C语言的客户端单次查询在 0.00x 毫秒级别。
  2. binary 算法：基于二分查找，基于 ip2region.db 文件，不需要载入内存，单次查询在 0.x 毫秒级别。
  3. b-tree 算法：基于 btree 算法，基于 ip2region.db 文件，不需要载入内存，单词查询在 0.x 毫秒级别，比 binary 算法更快。

任何客户端 b-tree 都比 binary 算法快，当然 memory 算法固然是最快的！

环境需求

安装

All versions of laravel-ip2region with dependencies

PHP Build Version
Package Version
Requires php Version ^8.0
ext-json Version *
illuminate/support Version ^9.0 || ^10.0
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