PHP 记录访客的浏览信息方法

<?php
//echo $_server['http_user_agent'];
//echo "<br />".$_server ['remote_addr'];
/**
 * 获取客户端类型，手机还是电脑，以及相应的操作系统类型。
 *
 * @param string $subject
 */
function get_os($agent) {
  $os = false;
  if (preg_match ( '/win/i', $agent ) && strpos ( $agent, '95' )) {
    $os = 'windows 95';
  } else if (preg_match ( '/win 9x/i', $agent ) && strpos ( $agent, '4.90' )) {
    $os = 'windows me';
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/98/i', $agent )) {
    $os = 'windows 98';
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/nt 6.0/i', $agent )) {
    $os = 'windows vista';
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/nt 6.1/i', $agent )) {
    $os = 'windows 7';
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/nt 6.2/i', $agent )) {
    $os = 'windows 8';
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/nt 10.0/i', $agent )) {
    $os = 'windows 10'; // 添加win10判断
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/nt 5.1/i', $agent )) {
    $os = 'windows xp';
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/nt 5/i', $agent )) {
    $os = 'windows 2000';
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/nt/i', $agent )) {
    $os = 'windows nt';
  } else if (preg_match ( '/win/i', $agent ) && preg_match ( '/32/i', $agent )) {
    $os = 'windows 32';
  } else if (preg_match ( '/linux/i', $agent )) {
    if(preg_match("/mobile/", $agent)){
      if(preg_match("/qq/i", $agent)){
        $os = "android qq browser";
      }else{
        $os = "android browser";
      }
    }else{
      $os = 'pc-linux';
    }
  } else if (preg_match ( '/mac/i', $agent )) {
    if(preg_match("/mobile/", $agent)){
      if(preg_match("/qq/i", $agent)){
        $os = "iphone qq browser";
      }else{
        $os = "iphone browser";
      }
    }else{
      $os = 'mac os x';
    }
  } else if (preg_match ( '/unix/i', $agent )) {
    $os = 'unix';
  } else if (preg_match ( '/sun/i', $agent ) && preg_match ( '/os/i', $agent )) {
    $os = 'sunos';
  } else if (preg_match ( '/ibm/i', $agent ) && preg_match ( '/os/i', $agent )) {
    $os = 'ibm os/2';
  } else if (preg_match ( '/mac/i', $agent ) && preg_match ( '/pc/i', $agent )) {
    $os = 'macintosh';
  } else if (preg_match ( '/powerpc/i', $agent )) {
    $os = 'powerpc';
  } else if (preg_match ( '/aix/i', $agent )) {
    $os = 'aix';
  } else if (preg_match ( '/hpux/i', $agent )) {
    $os = 'hpux';
  } else if (preg_match ( '/netbsd/i', $agent )) {
    $os = 'netbsd';
  } else if (preg_match ( '/bsd/i', $agent )) {
    $os = 'bsd';
  } else if (preg_match ( '/osf1/i', $agent )) {
    $os = 'osf1';
  } else if (preg_match ( '/irix/i', $agent )) {
    $os = 'irix';
  } else if (preg_match ( '/freebsd/i', $agent )) {
    $os = 'freebsd';
  } else if (preg_match ( '/teleport/i', $agent )) {
    $os = 'teleport';
  } else if (preg_match ( '/flashget/i', $agent )) {
    $os = 'flashget';
  } else if (preg_match ( '/webzip/i', $agent )) {
    $os = 'webzip';
  } else if (preg_match ( '/offline/i', $agent )) {
    $os = 'offline';
  } else {
    $os = '未知操作系统';
  }
  return $os;
}
/**
 * 获取 客户端的浏览器类型
 * @return string
 */
function get_broswer($sys){
  if (stripos($sys, "firefox/") > 0) {
    preg_match("/firefox\/([^;)]+)+/i", $sys, $b);
    $exp[0] = "firefox";
    $exp[1] = $b[1]; //获取火狐浏览器的版本号
  } elseif (stripos($sys, "maxthon") > 0) {
    preg_match("/maxthon\/([\d\.]+)/", $sys, $aoyou);
    $exp[0] = "傲游";
    $exp[1] = $aoyou[1];
  } elseif (stripos($sys, "msie") > 0) {
    preg_match("/msie\s+([^;)]+)+/i", $sys, $ie);
    $exp[0] = "ie";
    $exp[1] = $ie[1]; //获取ie的版本号
  } elseif (stripos($sys, "opr") > 0) {
    preg_match("/opr\/([\d\.]+)/", $sys, $opera);
    $exp[0] = "opera";
    $exp[1] = $opera[1];
  } elseif(stripos($sys, "edge") > 0) {
    //win10 edge浏览器 添加了chrome内核标记 在判断chrome之前匹配
    preg_match("/edge\/([\d\.]+)/", $sys, $edge);
    $exp[0] = "edge";
    $exp[1] = $edge[1];
  } elseif (stripos($sys, "chrome") > 0) {
    preg_match("/chrome\/([\d\.]+)/", $sys, $google);
    $exp[0] = "chrome";
    $exp[1] = $google[1]; //获取google chrome的版本号
  } elseif(stripos($sys,'rv:')>0 && stripos($sys,'gecko')>0){
    preg_match("/rv:([\d\.]+)/", $sys, $ie);
    $exp[0] = "ie";
    $exp[1] = $ie[1];
  }else {
    $exp[0] = "未知浏览器";
    $exp[1] = "";
  }
  return $exp[0].'('.$exp[1].')';
}
/**
 * 根据 客户端ip 获取到其具体的位置信息
 * @param unknown $ip
 * @return string
 */
function get_address_by_ip($ip) {
  $url = "http://ip.taobao.com/service/getipinfo.php?ip=".$ip;
  $curl = curl_init();
  curl_setopt($curl, curlopt_url, $url);
  curl_setopt($curl, curlopt_header, 0);
  curl_setopt($curl, curlopt_returntransfer, 1);
  $info = curl_exec($curl);
  curl_close($curl);
  return $info;
}
function clientlog() {
  $useragent = $_server ['http_user_agent'];
  $clientip = $_server ['remote_addr'];
  $client_info = get_os ( $useragent ) . "---" . get_broswer ( $useragent );
  $rawdata_position = get_address_by_ip ( $clientip );
  $rawdata_position = json_decode($rawdata_position, true);
  $country = $rawdata_position['data']['country'];
  $province = $rawdata_position['data']['region'];
  $city = $rawdata_position['data']['city'];
  $nettype = $rawdata_position['data']['isp'];

  $time = date ( 'y-m-d h:m:s' );
  $data = "来自{$country} {$province} {$city }{$nettype} 的客户端: {$client_info},ip为:{$clientip},在{$time}时刻访问了{$_server['php_self']}文件！\r\n";
  $filename = "./log.log";
  if (! file_exists ( $filename )) {
    fopen ( $filename, "w+" );
  }
  file_put_contents ( $filename, $data, file_append );
}

require_once "comm_function.php";