users sorted by custom feild value

<?php /*
Template Name: Authors
*/ ?>

<?php get_header(); ?>


<div id="container">


<div id="content">


<?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>

				<div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>

						<h2 class="entry-title"><?php the_title(); ?></h2>



					<div class="entry-content">
						<?php the_content(); ?>





<?php wp_link_pages( array( 'before' => '<div class="page-link">' . __( 'Pages:', 'twentyten' ), 'after' => '</div>' ) ); ?>
						<?php edit_post_link( __( 'Edit', 'twentyten' ), '<span class="edit-link">', '</span>' ); ?>
					</div><!-- .entry-content -->
				</div><!-- #post-## -->







<?php endwhile; // end of the loop. ?>




	<?php


// Show a selected number of posts per row
$posts_per_row = 5;



if (have_posts()) {

global $wpdb;

$authors = $wpdb->get_results("SELECT ID, user_nicename from $wpdb->users WHERE display_name <> 'admin' ORDER BY display_name");




//these are the arguments for the get_users function below
$args  = array(
  'fields' => 'all_with_meta',
  'meta_query' => array(
    array(
    'key' => 'twitter', // the meta field (or key) we want to target
    'value' => 'Ihavenotweets',    // the value we want to target (optional)
    'compare' => '>='  // comparison method (optional:  =, >, <, etc)
    )
));

//get_users calls WP_User_Query and returns an array of matching users
$users = get_users($args);

//custom function for comparing the data we want to sort by
function cmp($a, $b){
  if ($a->points == $b->points) {
    return 0;
  }
  return ($a->points > $b->points) ? -1 : 1;
}

//usort sorts our $users array with our function cmp()
usort($users, 'cmp');

//leaving an array of $users sorted by the value of meta 'points'




foreach ($users as $author ) :






 // Get user data
		$curauth = get_userdata($author->ID);
                       $curauth->user_email;


                     // Get link to author page
			$user_link = get_author_posts_url($curauth->ID);

                           //show authors with posts
                                $post_count = get_usernumposts($curauth->ID);












                         if (!$post_count) {

                                          } else













while (have_posts()) {
      the_post();
      if ((++$post_counter % $posts_per_row) == 1  || $posts_per_row == 1) {
         if ($post_counter > 1) {
            echo

"</div><!-- End of post_row -->\n";  // End previous row
         }
         echo "<div class='post_row3'>\n";  // Start a new row
      }
      echo "<div

class='post_class3'>\n";  // Start one post



// Output post data here
?>


<div class="entry-meta">
<a href="<?php echo $user_link; ?>" title="<?php echo $curauth->display_name; ?>"><?php echo $curauth->display_name; ?></a>
</div>
<a href="<?php echo $user_link; ?>" title="<?php echo $curauth->display_name; ?>">
		<?php echo get_avatar($curauth->user_email, '96', $avatar); ?></a>




<?php //endwhile
echo "</div><!-- End of post_class -->\n";  // End of post
} ?>



<?php endforeach; ?>





<?php //endif
} ?>



</div><!-- End of post_row -->



</div>


</div><!-- #container -->

<?php get_sidebar();?>
<?php get_footer(); ?>