How to update image using mysql in php?

[hemaldazzle]

in below my code
in this code image is not move in folder but updated the path what are reason?

if($btnUpdate != "")
	{
	 $id = $_POST["id"];
     $uploaddir = './upload/'; 
     $ssImage = $uploaddir.basename($_FILES['image']['name']); 
		
	 
		

		mysql_query("update gallery set gallery_image='".$ssImage."' where id_gallery = '".$id."' " ) or die(mysql_error());
		if (move_uploaded_file($_FILES['image']['tmp_name'], $ssImage)) {
		header('Location: gallarydetail.php');
	 }
	}

[Dormilich]

what are reason?

I would guess that move_uploaded_f ile() failed.