Wordpress - List most recent comments

wordpress-list-most-recent-comments.php

<?php
  global $wpdb;
  $sql = "SELECT DISTINCT ID, post_title, post_password, comment_ID, comment_post_ID, comment_author, comment_date_gmt, comment_approved, comment_type,comment_author_url, SUBSTRING(comment_content,1,30) AS com_excerpt FROM $wpdb->comments LEFT OUTER JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) WHERE comment_approved = '1' AND comment_type = '' AND post_password = '' ORDER BY comment_date_gmt DESC LIMIT 10";

  $comments = $wpdb->get_results($sql);
  $output = $pre_HTML;
  $output .= "n<ul>";
  foreach ($comments as $comment) {
    $output .= "n<li>".strip_tags($comment->comment_author) .":" . "<a href="" . get_permalink($comment->ID)."#comment-" . $comment->comment_ID . "" title="on ".$comment->post_title . "">" . strip_tags($comment->com_excerpt)."</a></li>";
  }
  $output .= "n</ul>";
  $output .= $post_HTML;
  echo $output;
?>