<?php

namespace App\Components;

use ipip\db\City;

class IPIP
{
	/**
	 * 查询IP地址的详细信息
	 *
	 * @param string $ip IPv4
	 *
	 * @return array|null
	 */
	public static function ip($ip)
	{
		$filePath = public_path('ipip.ipdb');

		$loc = new City($filePath);
		$result = $loc->findMap($ip, 'CN');

		return $result;
	}
}