возможно ли передать клиенту парам, что бы браузер предложил скачать данные, а не отобразил в окне

google -> content-disposition attachment

пилец народ проги пишет =)

<?php
function dl_file_resume($file){

   //First, see if the file exists
   if (!is_file($file)) { die("<b>404 File not found!</b>"); }
   
   //Gather relevent info about file
   $len = filesize($file);
   $filename = basename($file);
   $file_extension = strtolower(substr(strrchr($filename,"."),1));
   
   //This will set the Content-Type to the appropriate setting for the file
   switch( $file_extension ) {
       case "exe": $ctype="application/octet-stream"; break;
       case "zip": $ctype="application/zip"; break;
       case "mp3": $ctype="audio/mpeg"; break;
       case "mpg":$ctype="video/mpeg"; break;
       case "avi": $ctype="video/x-msvideo"; break;
       default: $ctype="application/force-download";
   }
   
   //Begin writing headers
   header("Cache-Control:");
   header("Cache-Control: public");
   
   //Use the switch-generated Content-Type
   header("Content-Type: $ctype");
   if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE")) {
       # workaround for IE filename bug with multiple periods / multiple dots in filename
       # that adds square brackets to filename - eg. setup.abc.exe becomes setup[1].abc.exe
       $iefilename = preg_replace('/\./', '%2e', $filename, substr_count($filename, '.') - 1);
       header("Content-Disposition: attachment; filename=\"$iefilename\"");
   } else {
       header("Content-Disposition: attachment; filename=\"$filename\"");
   }
   header("Accept-Ranges: bytes");
   
   $size=filesize($file);
   //check if http_range is sent by browser (or download manager)
   if(isset($_SERVER['HTTP_RANGE'])) {
       list($a, $range)=explode("=",$_SERVER['HTTP_RANGE']);
       //if yes, download missing part
       str_replace($range, "-", $range);
       $size2=$size-1;
       $new_length=$size2-$range;
       header("HTTP/1.1 206 Partial Content");
       header("Content-Length: $new_length");
       header("Content-Range: bytes $range$size2/$size");
   } else {
       $size2=$size-1;
       header("Content-Range: bytes 0-$size2/$size");
       header("Content-Length: ".$size);
   }
   //open the file
   $fp=fopen("$file","rb");
   //seek to start of missing part
   fseek($fp,$range);
   //start buffered download
   while(!feof($fp)){
       //reset time limit for big files
       set_time_limit(0);
       print(fread($fp,1024*8));
       flush();
       ob_flush();
   }
   fclose($fp);
   exit;
}
?>

анонимусу respect =)

спасибо 

а нах свич по екстеншнам? браузеру ж пох, какой тип бинаря на винт сохранять. application/octet-stream должно быть вполне достаточно