function browse_info() //获取浏览器具体类型的自定义方法
 {
  $browser="";$browserver="";
  $Browsers =array("Lynx","MOSAIC","AOL","Opera","JAVA","MacWeb","WebExplorer","OmniWeb");
  $Agent = $GLOBALS["HTTP_USER_AGENT"];
  for ($i=0; $i<=7; $i++)
  {
   if (strpos($Agent,$Browsers[$i]))
   {
   $browser = $Browsers[$i];
   $browserver ="";
   }
  }
  if (ereg("Mozilla",$Agent) && !ereg("MSIE",$Agent))
  {
   $temp =explode("(", $Agent); $Part=$temp[0];
   $temp =explode("/", $Part); $browserver=$temp[1];
   $temp =explode(" ",$browserver); $browserver=$temp[0];
   $browserver =preg_replace("/([d.]+)/","1",$browserver);
   $browserver = " $browserver";
   $browser = "Netscape Navigator";
  }
  if (ereg("Mozilla",$Agent) && ereg("Opera",$Agent))
  {
   $temp =explode("(", $Agent); $Part=$temp[1];
   $temp =explode(")", $Part); $browserver=$temp[1];
   $temp =explode(" ",$browserver);$browserver=$temp[2];
   $browserver =preg_replace("/([d.]+)/","1",$browserver);
   $browserver = " $browserver";
   $browser = "Opera";
  }
  if (ereg("Mozilla",$Agent) && ereg("MSIE",$Agent))
  {
   $temp = explode("(", $Agent); $Part=$temp[1];
   $temp = explode(";",$Part); $Part=$temp[1];
   $temp = explode(" ",$Part);$browserver=$temp[2];
   $browserver =preg_replace("/([d.]+)/","1",$browserver);
   $browserver = " $browserver";
   $browser = "Internet Explorer";
  }
  if ($browser!="")
  {
  $browseinfo = "$browser$browserver";
  }
  else
  {
  $browseinfo = "Unknown";
  }
  return $browseinfo;
 }

 

调用该方法返回浏览器名称与版本号