php file download appears download file content garbled corrupted solution (recommended) _php instance

When doing PHP programs, you need to use PHP to do the file download

Then do it. Copy the code and change it.

A lot of the effects are coming out.

Then click to download, well, I thought that the file download, who knows, the picture opened when prompted file damage, which I observed the size of the file. It seems to be about 1KB more.

Use PS to open, well, prompted the damage, but the image can come out.

So I think it's the 1kb problem.

Then, I put a txt upload up, and then download.

It turns out that there are a few more characters in front and back of the file.

Then I'm thinking about how to get rid of it. All kinds of Baidu, Google, on the forum to ask questions.

Finally, after my one-hour search, I finally found a solution.

The code is as follows

Public function Download ()
{
  $upload =m (' upload ');
  $data = $upload->find ($_get[' id '));

  if (empty ($data)) {
    header (' http/1.0 404 Not Found ');
    Header (' Location:. ');
  } else{

  $path = './public/uploads/'. $data [' Savename '];

  Header ("Content-type:". $data [' Type ']);

  Header (' Content-disposition:attachment filename= "'. $data [' name ']. '"];

  Header (' Content-length: '. $data [' size ']);

  Ob_clean ();
  Flush ();

  ReadFile ($path);

  }

Attention:

Ob_clean ();
Flush (); This is the key. Use these two functions, get it, the picture is open normally, the text is not garbled.

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