Add delete, approve, spam Links to Comments

3 comments

1. Per default wp_list_comments() calls the class Walker_Comment. Its method start_el() calls edit_comment_link() and here we find a filter for your question: It is called 'edit_comment_link' and it passes two variables, the link text and the comment ID, which we can use.

   The URLs to mark a comment as spam or to delete it are:

   • wp-admin/comment.php?c=1&action=cdc&dt=spam for spam, and
   • wp-admin/comment.php?c=1&action=cdc for deletion.

   We can add a parameter redirect_to= to send us back to the post after the comment was trashed.

   Here is a sample plugin I just hacked together (GitHub address):

   <?php # -*- coding: utf-8 -*-
   /**
    * Plugin Name: T5 Comment moderation links
    * Version:     2012.06.04
    * Author:      Thomas Scholz <info@toscho.de>
    * Author URI:  http://toscho.de
    * License:     MIT
    * License URI: http://www.opensource.org/licenses/mit-license.php
    */
   
   if ( ! function_exists( 't5_comment_mod_links' ) )
   {
       add_filter( 'edit_comment_link', 't5_comment_mod_links', 10, 2 );
   
       /**
        * Adds Spam and Delete links to the Sdit link.
        *
        * @wp-hook edit_comment_link
        * @param   string  $link Edit link markup
        * @param   int $id Comment ID
        * @return  string
        */
       function t5_comment_mod_links( $link, $id )
       {
           $template = ' <a class="comment-edit-link" href="%1$s%2$s">%3$s</a>';
           $admin_url = admin_url( "comment.php?c=$id&action=" );
   
           // Mark as Spam.
           $link .= sprintf( $template, $admin_url, 'cdc&dt=spam', __( 'Spam' ) );
           // Delete.
           $link .= sprintf( $template, $admin_url, 'cdc', __( 'Delete' ) );
   
           // Approve or unapprove.
           $comment = get_comment( $id );
   
           if ( '0' === $comment->comment_approved )
           {
               $link .= sprintf( $template, $admin_url, 'approvecomment', __( 'Approve' ) );
           }
           else
           {
               $link .= sprintf( $template, $admin_url, 'unapprovecomment', __( 'Unapprove' ) );
           }
   
           return $link;
       }
   }
   

   Screenshot with TwentyEleven (order reversed by the stylesheet):

   

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2. This is what I use (added as a reference — toscho’s answer IS BETTER for many reasons):

   <?php if (current_user_can('edit_post')) {
       $id = get_comment_ID();
       echo ' <a href="'.admin_url("comment.php?action=cdc&c=$id").'">[Delete]</a>';
       echo ' <a href="'.admin_url("comment.php?action=cdc&dt=spam&c=$id").'">[Spam]</a>';
   } ?>
   

   Most themes already come with an “Edit” link, so I didn’t include that.

   Example Preview:

   

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3. In 2022, unfortunately, the accepted answer does no longer work… without some changes, at least. You now need to add a nonce or the action will be rejected as per protocol. But this can be amended:

   $template = '<a class="comment-spam-link" href="%1$s">%2$s</a>';
   $admin_url = admin_url( 'comment.php?c=' . $comment_id . '&action=' );
   $nonce_url = esc_url( wp_nonce_url( $admin_url . 'spamcomment', 'delete-comment_' . $comment_id ) );
   
   // $nonce_url = esc_url( wp_nonce_url( $admin_url . 'trashcomment', 'delete-comment_' . $comment_id ) );
   // $nonce_url = esc_url( wp_nonce_url( $admin_url . 'approvecomment', 'approve-comment_' . $comment_id ) );
   // $nonce_url = esc_url( wp_nonce_url( $admin_url . 'unapprovecomment', 'approve-comment_' . $comment_id ) );
   // $nonce_url = esc_url( wp_nonce_url( $admin_url . 'deletecomment', 'delete-comment_' . $comment_id ) );
   

   And used like this, for example, although I strongly recommend adding &redirect_to= as well:

   $output = sprintf( $template, $nonce_url, __( 'Spam' ) );
   

   Taken from the core wp-admin/comment.php.

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