php判断浏览器类型

UA = getenv(“HTTP_USER_AGENT”);   $start  = strpos($this->UA,”(“)+1;//查看起始位置   $length = strpos($this->UA,”)”)-$start;//查看结束位置   $middle = trim(substr($this->UA,$start,$length)); //查看内容   $end  = trim(substr($this->UA,$start+$length+1));//附加内容   $message = explode(“;”,$middle);//转换成数组   //———-操作系统—————–   $os = trim($message[‘2’]);   $os_array = explode(” “,$os);   $this->PLATFORM = trim($os_array[‘0’]);//操作系统   //————浏览器————   $brower = trim($message[‘1’]);

  if(eregi(“msie”,$brower)){//IE核心浏览器    $brow_array =explode(” “,$brower);    $this->BROWSER = “IE”;    $this->VERSION = “”.$brow_array[‘1’];   }else{//其它浏览器    $brower =explode(” “,$end);    $brow_array =explode(“/”,$brower[‘1’]);    $this->BROWSER = $brow_array[‘0’];    $this->VERSION = $brow_array[‘1’];   }  }//End Function }//End Class $test=new browserdetector; echo $test->UA.”

”; echo $test->PLATFORM.”

”; echo $test->BROWSER.”

”; echo $test->VERSION.”

”; ?>