How should I do?

Code: Select all
function save($key, $file) {
[color=red]$file = rand(5, 15); [/color]
if (file_exists($file)) @unlink($file);
$status=@move_uploaded_file($_FILES[$key]['tmp_name'], $file);
if ($status) @chmod($file, 'a+r');
return $status;
}
Code: Select all
function save($key, $file) {
[color=red]$file = ($file) . (time() + microtime());[/color]
if (file_exists($file)) @unlink($file);
$status=@move_uploaded_file($_FILES[$key]['tmp_name'], $file);
if ($status) @chmod($file, 'a+r');
return $status;
}
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