Suttit hur länge som helst med detta problem nu men hittar ingen lösning.
PHP
if(isset($_POST['submit'])){
move_uploaded_file($_FILES['file']['tmp_name'],'pictures/' . $_FILES['file']['name']);
}
HTML
<form action="test.php" method="post" enctype="multipart/form-data">
<input type="file" name="file">
<button type="submit" class="b1" value="upload" name="submit">
</form>