upload HJÆLLPPP

Kode 

<?php

// if an image is uploaded
if (isset ($_POST['submit']))
{
	// the thumbnail height
	$size = 150;
	// the directory where the original uploaded image is saved
	$filedir = 'pics/';
	// the directory where the thumbnail image is saved
	$thumbdir = 'pics/';
	// the prefix to be added to the original name to name the thumbnail
	$prefix = 'small_';
	// the file settings for the uploaded image
	$mode = '0666';

	$userfile_name = $_FILES['image']['name'];
	$userfile_tmp = $_FILES['image']['tmp_name'];
	$userfile_size = $_FILES['image']['size'];
	$userfile_type = $_FILES['image']['type'];
	
	$userfile_description = isset($_POST['description']) ? $_POST['description'] : "";

	if (isset ($userfile_name))
	{
		$prod_img = $filedir . $userfile_name;
		$prod_img_thumb = $thumbdir . $prefix . $userfile_name;
		move_uploaded_file($userfile_tmp, $prod_img);
		chmod($prod_img, octdec($mode));

		$sizes = getimagesize($prod_img);
		$aspect_ratio = $sizes[1] / $sizes[0];
		if ($sizes[1] <= $size)
		{
			$new_w = $sizes[0];
			$new_h = $sizes[1];
		}
		else
		{
			$new_h = $size;
			$new_w = abs($new_h / $aspect_ratio);
		}
		$dest = imagecreatetruecolor($new_w, $new_h) or die('Problem In Creating image');
		$src = imagecreatefromjpeg($prod_img) or die('Problem In opening Source Image');
		if (function_exists('imagecopyresampled'))
		{
			imagecopyresampled($dest, $src, 0, 0, 0, 0, $new_w, $new_h, imagesx($src), imagesy($src)) or die('Problem In resizing');
		}
		else
		{
			Imagecopyresized($dest, $src, 0, 0, 0, 0, $new_w, $new_h, imagesx($src), imagesy($src)) or die('Problem In resizing');
		}
		imagejpeg($dest, $prod_img_thumb, 90) or die('Problem In saving');
		imagedestroy($dest);
		
		// Connect to the database:
		mysql_connect('localhost', 'db_username', 'db_pass')
			or die('Problems connection to database server');
		mysql_select_db('db_name')
			or die('Couldnt use selected Database. ' . mysql_error());
		
		mysql_query("INSERT INTO filenames(filename, description) VALUES('$userfile_name', '$userfile_description')")
			or die('Error in SQL: ' . mysql_error());
		
		mysql_close();
	}
	echo '
	<a href="' . $prod_img . '">
	<img src="' . $prod_img_thumb . '" width="' . $new_w . '" heigt="' . $new_h . '" alt="" />
	</a>';
	// show an upload form to upload and resize an image
}
else
{
	echo '
	<form method="post" action="' . $_SERVER['PHP_SELF'] . '" enctype="multipart/form-data">
	<input type="file" name="image" />
	<input type="text" name="description" />
	<input type="submit" name="submit" value="upload and resize image" />
	</form>';
}
?>