用户手机号码隐私处理

if($is_privacy === true && !empty($user['user_name_view']))
{


$user['user_name_view'] = substr($user['user_name_view'], 0, 3).'***'.substr($user['user_name_view'], -3);

}

来源：https://www.cnblogs.com/ysbl/p/11686164.html