Display registered users comment count on your WordPress blog

by Jean-Baptiste Jung on October 19, 2009

Simply paste the following code where you'd like the count to be displayed. Re-arrange the code as desired.

<?php
global $wpdb;
$where = 'WHERE comment_approved = 1 AND user_id <> 0';
$comment_counts = (array) $wpdb->get_results("
		SELECT user_id, COUNT( * ) AS total
		FROM {$wpdb->comments}
		{$where}
		GROUP BY user_id
	", object);
foreach ( $comment_counts as $count ) {
  $user = get_userdata($count->user_id);
  echo 'User ' . $user->display_name . ' comment count is ' . $count->total . '
';
}
?>

Credits: Michael H on WordPress forums.

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Display registered users comment count on your WordPress blog