$file_name = "root.php";
$file_dir = $this->webdir;
if (!file_exists($file_dir."/".$file_name)){ //檢查文件是否存在
return false;
exit;
}else{
$file = fopen($file_dir."/".$file_name,"r"); // 打開文件
// 輸入文件標籤
header('Content-Encoding: none');
header("Content-type: application/octet-stream");
header("Accept-Ranges: bytes");
header("Accept-Length: ".filesize($file_dir."/".$file_name));
header( 'Content-Transfer-Encoding: binary' );
header("Content-Disposition: attachment; filename=" .$file_name); //以真實文件名提供給瀏覽器下載
header('Pragma: no-cache');
header('Expires: 0');
//輸出文件內容
echo fread($file,filesize($file_dir."/".$file_name));
fclose($file);
exit;
}
}