PHP Display a percentage of progress of ftp_get?

Question

I have a working FTP file download script.
The files I am downloading will be about 2-4 GB per day.
I was wondering if there was a way to get the percent of the file

Answer 1

You should try buffer flush - ob_flush() and flush().

This technique works, I already used it. here is a tutorial

I am sure that you can wind yourself some more. Just google "progress php flush buffer"

Answer 2

It can be implemented easily using FTP URL protocol wrappers:

$url = "ftp://username:password@ftp.example.com/remote/source/path/file.zip";

$size = filesize($url) or die("Cannot retrieve size file");

$hin = fopen($url, "rb") or die("Cannot open source file");
$hout = fopen("/local/dest/path/file.zip", "wb") or die("Cannot open destination file");

while (!feof($hin))
{
    $buf = fread($hin, 10240);
    fwrite($hout, $buf);
    echo "\r".intval(ftell($hout)/$size*100)."%";
}

echo "\n";

fclose($hout);
fclose($hin);

---

Regarding your attempts using ftp_nb_get:
The filesize caches the results, so calling it repeatedly will get you the same value. You have to call clearstatcache.

A full code is like:

$conn_id = ftp_connect("ftp.example.com");
ftp_login($conn_id, "username", "password");

ftp_pasv($conn_id, true);

$local_path = "/local/dest/path/file.zip";
$remote_path = "/remote/source/path/file.zip";
$size = ftp_size($conn_id, $remote_path);

$ret = ftp_nb_get($conn_id, $local_path, $remote_path, FTP_BINARY);

while ($ret == FTP_MOREDATA)
{
  clearstatcache(false, $local_path);
  echo "\r".intval(filesize($local_path)/$size*100)."%";
  $ret = ftp_nb_continue($conn_id);
}

echo "\n";

Alternatively use ftp_nb_fget and query the file handle, like my first example.

Answer 3

Try using the non-blocking version ftp_nb_get() and ftp_nb_continue() in a loop, and check for the saved file's size.