PHP implements code sharing to obtain IP address location

/**
 * 获取IP地址所在地
 */
function getIPLoc($ip)
{
    $url = 'http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip='.$ip;
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true) ; // 获取数据返回
    $result = curl_exec($ch);
    curl_close($ch);
    // $result = httpRequest($url);
    $result = json_decode($result); 
    $data = array();
    if ($result && !empty($result->province)) {
        $data['country'] = $result->country;
        $data['province'] = $result->province;
        $data['city'] = $result->city;
    } 
    return $data; 
}