PHP: Problem with filesize

I need a little help here:

I get a file from an HTML upload form. And I have a "target" filename in $File.

When I do this:

copy($_FILES['binfile']['tmp_name'], $File);
echo '<hr>' . filesize($_FILES['binfile']['tmp_name']);
echo '<hr>' . filesize($File);

Everything works fine. I get the same number twice.

However when I delete the first call of filesize(), I get "0" (zero).

copy($_FILES['binfile']['tmp_name'], $File);
echo '<hr>' . filesize($File);

Any suggestions? What am I doing wrong? Why do I need to get the filesize of the "original" file before I can get the size of the copy?

(That's actually what it is: I need to call the filesize() for the original file. Neither sleep() n开发者_Go百科or calling filesize() of another file helps.)

System:

• Apache 2.0
• PHP 5.2.6
• Debian Linux (Lenny)

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How big is this file? You are doing a copy and then stating the file straight away. Could this be the problem?

Does the builtin move_uploaded_file() function give the same behavior?

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Try this:

copy($_FILES['binfile']['tmp_name'], $File);
clearstatcache();
$filesize = $_FILES['binfile']['size'];
echo '<hr>' . $filesize;

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How about this:

copy($_FILES['binfile']['tmp_name'], $File);

clearstatcache();
while (empty(filesize($File)))
    sleep(2);

echo '<hr>' . filesize($File);

OR try this:

copy($_FILES['binfile']['tmp_name'], $File);

clearstatcache();
while (!file_exists($File))
    sleep(2);

echo '<hr>' . filesize($File);