메일보내기 img태그관련

function send_mail_with_file($from_email,$from_name,$to_email,$subject,$body,$file){
    if (strlen($to_email)==0) return 0;
    $mailheaders .= "From: $from_name<$from_email> \r\n";
    $mailheaders .= "Reply-To: $from_name<$from_email>\r\n";
    $mailheaders .= "Return-Path: $from_name<$from_email>\r\n";
    if ($file[size]>0) {
        $boundary = uniqid("part");
        if (strlen($file[type])==0) $file[type] = "application/octet-stream";

        $mailheaders .= "MIME-Version: 1.0\r\n";
        $mailheaders .= "Content-Type: Multipart/mixed; boundary = \"".$boundary."\"";

        $bodytext = "This is a multi-part message in MIME format.\r\n\r\n";
        $bodytext .= "--".$boundary."\r\n";
        $bodytext .= "Content-Type: text/html; charset=\"ks_c_5601-1987\"\r\n";
        $bodytext .= "Content-Transfer-Encoding: base64\r\n\r\n";
        $bodytext .= chunk_split(base64_encode($body))."\r\n\r\n";

  
        $bodytext .= "--".$boundary."\r\n";
        $bodytext .= "Content-Type: ".$file[type]."; name=\"".$file[name]."\"\r\n";
        $bodytext .= "Content-Transfer-Encoding: base64\r\n";
        $bodytext .= "Content-Disposition: attachment; filename=\"".$file[name]."\"\r\n\r\n";
  
  $fileSize = $file[size];
  clearstatcache();
  $files = fopen($file[tmp_name], "r");
  $cont = fread($files, $fileSize);
  fclose($files);

        $bodytext .= chunk_split(base64_encode($cont))."\r\n\r\n";

        $bodytext .= "--".$boundary."--";
    } else {
        $mailheaders .= "Content-Type: text/html \r\n\r\n";
        $bodytext = $body . "\r\n\r\n";
    }
    if (!mail($to_email,$subject,$bodytext,$mailheaders)) {return 0;}
    return 1;
}