source: trunk/www.guidonia.net/wp/wp-content/themes/duplexes/comments.php@ 44

<?php // Do not delete these lines
// thanks to Jeremy at http://clarktech.no-ip.com for the tips
        if (!empty($_SERVER['SCRIPT_FILENAME']) && 'comments.php' == basename($_SERVER['SCRIPT_FILENAME']))
                die ('Please do not load this page directly. Thanks!');
if (function_exists('post_password_required')) 
        {
        if ( post_password_required() ) 
                {
                echo '<p class="nocomments">This post is password protected. Enter the password to view comments.</p>';
                return;
                }
        } else 
        {
        if (!empty($post->post_password)) 
                { // if there's a password
                        if ($_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password) 
                        {  // and it doesn't match the cookie  ?>
                                <p class="nocomments">This post is password protected. Enter the password to view comments.</p>
                                <?php return;
                        }
                }
        }
if (function_exists('wp_list_comments')):
//WP 2.7 Comment Loop
if ( have_comments() ) : ?>

        <?php if ( ! empty($comments_by_type['comment']) ) :
        $count = count($comments_by_type['comment']);
        ($count !== 1) ? $txt = "Comments for this entry" : $txt = "Comment for this entry"; ?>
        <h3 id="comments"><?php echo $count . " " . $txt; ?></h3>
        <ul class="commentlist">
                <?php wp_list_comments('type=comment&callback=mytheme_comment'); ?>
        </ul>
        <?php endif; ?>

        <div class="navigation">
                <div class="alignleft"><?php previous_comments_link() ?></div>
                <div class="alignright"><?php next_comments_link() ?></div>
                <div class="cleared"></div>
        </div>

        <?php if ( ! empty($comments_by_type['pings']) ) :
        $countp = count($comments_by_type['pings']);
        ($countp !== 1) ? $txtp = "Trackbacks / Pingbacks for this entry" : $txtp = "Trackback or Pingback for this entry"; ?>
        <h3><?php echo $countp . " " . $txtp; ?></h3>
        <ul class="trackback">
                  <?php wp_list_comments('type=pings&callback=mytheme_ping'); ?>
        </ul>
        <?php endif; ?>


<?php else : // this is displayed if there are no comments so far ?>
        <?php if ('open' == $post->comment_status) :
                // If comments are open, but there are no comments.
        else : ?><p class="nocomments">Comments are closed.</p>
        <?php endif;
endif;
else:
//WP 2.6 and older Comment Loop
/* This variable is for alternating comment background */
                $oddcomment = 'alt';
?>
 
<!-- You can start editing here. -->
<?php if ($comments) : ?>
        <h3 id="comments"><?php comments_number('No comments filed', 'One comment', '% comments' );?> for this entry</h3> 
        <ol class="commentlist">
        <?php foreach ( $comments as $comment ) : ?>
                <li class="<?php echo $oddcomment; ?>" id="comment-<?php comment_ID() ?>">

<a class="gravatar">
<?php 
if (function_exists('get_avatar')) {
      echo get_avatar( $comment, 44);
   } else {
      //alternate gravatar code for < 2.5
      $grav_url = "http://www.gravatar.com/avatar.php?gravatar_id=
         " . md5($email) . "&default=" . urlencode($default) . "&size=" . $size;
      echo "<img src='$grav_url' height='44px' width='44px' />";
   }
?>
</a>

                        <div class="commentbody">
                        <cite><?php comment_author_link() ?></cite> 
                        <?php if ($comment->comment_approved == '0') : ?>
                        <em>Your comment is awaiting moderation.</em>
                        <?php endif; ?>
                        <br />
                        <small class="commentmetadata"><a href="#comment-<?php comment_ID() ?>" title=""><?php comment_date('F jS, Y') ?> on <?php comment_time() ?></a> <?php edit_comment_link('edit','&nbsp;&nbsp;',''); ?></small>
<div class="cleared"></div>
                        <?php comment_text() ?>
                        </div>
                </li>
 
        <?php /* Changes every other comment to a different class */    
                if ('alt' == $oddcomment) $oddcomment = '';
                else $oddcomment = 'alt';
        ?>
        <?php endforeach; /* end for each comment */ ?>
        </ol>
 <?php else : // this is displayed if there are no comments so far ?>
 
  <?php if ('open' == $post->comment_status) : ?> 
                <!-- If comments are open, but there are no comments. -->
         <?php else : // comments are closed ?>
                <!-- If comments are closed. -->
        <p class="nocomments">Comments are closed.</p>



 
<?php endif; ?>
 
<?php endif; ?>
 
<?php endif; // 2.6 and older Comment Loop end ?>
 
<?php if ('open' == $post->comment_status) : ?>
<div class="cleared"></div>
<div id="respond">
<h3>Leave a Reply</h3>
<?php if (function_exists('cancel_comment_reply_link')) { 
//2.7 comment loop code ?>
<div id="cancel-comment-reply">
        <small><?php cancel_comment_reply_link();?></small>
</div>
<?php } ?>
 
<?php if ( get_option('comment_registration') && !$user_ID ) : ?>
<p>You must be <a href="<?php echo get_option('siteurl'); ?>/wp-login.php?redirect_to=<?php the_permalink(); ?>">logged in</a> to post a comment.</p></div>
<?php else : ?>
<form action="<?php echo get_option('siteurl'); ?>/wp-comments-post.php" method="post" id="commentform">
<?php if ( $user_ID ) : ?>
<p>Logged in as <a href="<?php echo get_option('siteurl'); ?>/wp-admin/profile.php"><?php echo $user_identity; ?></a>. <a href="<?php echo get_option('siteurl'); ?>/wp-login.php?action=logout" title="Log out of this account">Logout &raquo;</a></p>
<?php else : ?>
<p><input type="text" name="author" id="author" value="<?php echo $comment_author; ?>" size="22" tabindex="1" />
<label for="author"><small>Name <?php if ($req) echo "(required)"; ?></small></label></p>
<p><input type="text" name="email" id="email" value="<?php echo $comment_author_email; ?>" size="22" tabindex="2" />
<label for="email"><small>Mail (will not be published) <?php if ($req) echo "(required)"; ?></small></label></p>
<p><input type="text" name="url" id="url" value="<?php echo $comment_author_url; ?>" size="22" tabindex="3" />
<label for="url"><small>Website</small></label></p>
<?php endif; ?>

<?php if (function_exists('cancel_comment_reply_link')) { 
//2.7 comment loop code ?>
 <?php comment_id_fields(); ?>
<?php } ?>

<!--<p><small><strong>XHTML:</strong> You can use these tags: <?php echo allowed_tags(); ?></small></p>-->
<p><textarea name="comment" id="comment" cols="100%" rows="10" tabindex="4"></textarea></p>
<p><input name="submit" type="submit" id="submit" class="submitbutton" tabindex="5" value="Leave comment" />
<input type="hidden" name="comment_post_ID" value="<?php echo $id; ?>" />
</p>

<?php do_action('comment_form', $post->ID); ?>
 
</form>
</div>
<?php endif; // If registration required and not logged in ?>
 
<?php endif; // if you delete this the sky will fall on your head ?>