<?php
   $postDetails = get_post($postID);
   echo  $post_id_7->comment_count;
?>

<?php
 comments_popup_link( 'No comments ','1 comment ','% comments ','comments-link ','Comments are off for this post ');
?>

<?php
 get_permalink($id);
?>

<?php
global $wpdb;
$commentQuery = "SELECT * from $wpdb->comments WHERE comment_approved= '1' 
ORDER BY comment_date DESC LIMIT 0 ,5";
$comments = $wpdb->get_results($commentQuery);
foreach ($comments as $comment) {
$url = '<a href="'. get_permalink($comment->comment_post_ID).
'#comment-'.$comment->comment_ID .'">';
?>
<li><?php echo $url; ?><?php echo $comment->comment_author; ?> On 
<?php echo get_the_title($comment->comment_post_ID); ?></a></li>
<?php } ?>

<?php 
   $args = array(
    'type'            => 'monthly',
    'format'          => 'html',
    'show_post_count' => false,
    'echo'            => 1 ); 
    echo wp_get_archives( $args ); 
?>

<?php
$args = array(
    'smallest'                  => 8,
    'largest'                   => 22,
    'unit'                      => 'pt',
    'number'                    => 45,
    'format'                    => 'flat',
    'orderby'                   => 'name',
    'order'                     => 'ASC',
    'exclude'                   => null,
    'include'                   => null,
    'topic_count_text_callback' => default_topic_count_text,
    'link'                      => 'view',
    'taxonomy'                  => 'post_tag',
    'echo'                      => true );

  wp_tag_cloud( $args );
 ?>