php的高性能精准IP查找类

采用了ip2region的PHP扩展模式

git clone https://github.com/lionsoul2014/ip2region.git cd ip2region cp binding/php_extension/php7/ip2region 到 php source code 的ext目录下 cp -r binding/php_extension/php7/ip2region  /usr/local/php71/include/php/ext/cp -r binding/php_extension/php7/ip2region  /usr/local/php71/include/php/ext/cp -r binding/php_extension/php5/ip2region  /usr/local/php56/include/php/ext/ ----------cp binding/c/下面所有的文件到 php source code 的ext/ip2region/lib 目录下 cp -r binding/c/   /usr/local/php71/include/php/ext/ip2region/lib/cp -r binding/c/   /usr/local/php56/include/php/ext/ip2region/lib/c目录下面的文件移动* 在ext/ip2region下，运行         phpize        ./configure        make && sudo make install/usr/local/php71/lib/php/extensions/no-debug-non-zts-20160303/

extension=ip2region.soip2region.db_file=/usr/local/php71/lib/php/extensions/no-debug-non-zts-20160303/ip2region.db

相关代码

/** * ip2region - 最自由的ip地址查询库，ip到地区的映射库，提供Binary,B树和纯内存三种查询算法，妈妈再也不用担心我的ip地址定位。 */function look_ip2region($ip){  return Ip2region:: btreeSearch(ip2long($ip));}