$tablo_ek = $wpdb->prefix;
wp_reset_postdata();
$sorgu     = mysql_query("SELECT * FROM ".$tablo_ek."comments LEFT OUTER JOIN ".$tablo_ek."posts ON ".$tablo_ek."comments.comment_post_id = ".$tablo_ek."posts.id WHERE ".$tablo_ek."posts.post_status='publish' AND ".$tablo_ek."comments.comment_approved='1' ORDER BY ".$tablo_ek."comments.comment_id DESC LIMIT 5");
    for ($j=0; $niphell=mysql_fetch_array($sorgu); $j++){
        echo $niphell['comment_author'].' '.$niphell['comment_date_gmt'].' Tarihinde yazdı. Konu:<a href="'.get_permalink($niphell['post_id']).'">'.$niphell['post_title'].'</a><br />';
    }
wp_reset_postdata();