Puoi fare questa modifca al codice
Codice 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 echo urlencode(get_permalink()); ?>">logged
                in</a> to post a comment.
</p><?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 $user_identity?></a>.
                <a href="<?php echo wp_logout_url(get_permalink()); ?>"
                        title="Log out of this account">Log out &raquo;</a>
        </p>
<?php else : if ( isset($formBottom) ) : ?>
<p>
                <input type="text" name="author" id="author"
                        value="<?php echo $comment_author?>" size="22" tabindex="1"
                        <?php if ($req) echo "aria-required='true'"?> /><label
                        for="author"><small>Name <?php if ($req) echo "(required)"?></small></label>
        </p>
        <p>
                <input type="text" name="email" id="email"
                        value="<?php echo $comment_author_email?>" size="22"
                        tabindex="2" <?php if ($req) echo "aria-required='true'"?> /><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Mail (will not be published) 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; endif; ?>
e prima dell'inclusione in basso sempre in php metti
Codice PHP:
$formBottom true