Mine

<?php
//absolute path.
$abs_path = "C:\wamp\www\billing\\";

//Makes sure submit is pressed.
if(isset($_POST['submit']))
{
	$dir = trim($_POST['directory']);
	$create_dir = mkdir($abs_path.$dir,0777);
	
	if(!$create_dir)
	{
		die('Could not create directory.');
	}
	
	//Move files.
	copy ($_FILES['imagefile']['tmp_name'][0], $abspath.$dir.'/'.$_FILES['imagefile']['name'][0]);
	copy ($_FILES['imagefile']['tmp_name'][1], $abspath.$dir.'/'.$_FILES['imagefile']['name'][1]); 
	copy ($_FILES['imagefile']['tmp_name'][2], $abspath.$dir.'/'.$_FILES['imagefile']['name'][2]);
	
	echo 'Your file has been uploaded.';
	
	
}
?>

<form method="POST" action="delete.php" enctype="multipart/form-data">
File:
<input type="file" name="imagefile[]" />
<br />
File:
<input type="file" name="imagefile[]" />
<br />
File:
<input type="file" name="imagefile[]" />
<br />
Artist:
<input type="text" name="directory" />
<input type="submit" name="submit" value="Submit"> 
</form>