wordpress : Delete-comment

delete-comment

<?php
    file : delete-comment/readmore.php
?>
<?php
/*
Plugin Name: Instant Delete Comment
Plugin URI: http://example.com/
Description: Add a quick link to instantly delete comments
Author: Ozh
Version: 1.0
Author URI: http://wrox.com/
*/
        
// Add script on single post & pages with comments only, if user has edit rights
add_action( 'template_redirect', 'boj_idc_addjs_ifcomments' );
function boj_idc_addjs_ifcomments() {
    if( is_single() && current_user_can( 'moderate_comments' ) ) {
        global $post;
        if( $post->comment_count ) {
            $path = plugin_dir_url( __FILE__ );
        
            wp_enqueue_script( 'boj_idc', $path.'js/script.js' );
            $protocol = isset( $_SERVER["HTTPS"]) ? 'https://' : 'http://';
            $params = array(
              'ajaxurl' =>admin_url( 'admin-ajax.php', $protocol )
            );
            wp_localize_script( 'boj_idc', 'boj_idc', $params );
        }
    }
}
        
// Add an admin link to each comment
add_filter( 'comment_text', 'boj_idc_add_link' );
function boj_idc_add_link( $text ) {
    // Get current comment ID
    global $comment;
    $comment_id = $comment->comment_ID;
        
    // Get link to admin page to trash comment, and add nonces to it
    $link = admin_url( 'comment.php?action=trash& c='.$comment_id );
    $link = wp_nonce_url( $link, 'boj_idc-delete-'.$comment_id );
    $link = "<a href='$link' class='boj_idc_link'>delete comment </a>";
        
    return $text."<p>[admin: $link] </p>";
}
        
// Ajax handler
add_action( 'wp_ajax_boj_idc_ajax_delete', 'boj_idc_ajax_delete' );
function boj_idc_ajax_delete() {
    $cid = absint( $_POST['cid'] );
        
    $response = new WP_Ajax_Response;
        
    if(
        current_user_can( 'moderate_comments' ) &&
        check_ajax_referer( 'boj_idc-delete-'.$cid, 'nonce', false ) &&
        wp_delete_comment( $cid  )
    ){
        // Request successful
        $response->add( array(
            'data' =>'success',
            'supplemental' =>array(
                'cid'      =>$cid,
                'message'  =>'this comment has been deleted'
            ),
        ) );
    }else {
        // Request failed
        $response->add( array(
            'data' =>'error',
            'supplemental' => array(
                'cid'      => $cid,
                'message'  => 'an error occurred'
            ),
        ) );
    }      
    $response->send();       
    exit();
}

?>

<?php
    file : delete-comment/js/script.js
?>
<SCRIPT TYPE="text/javascript">
jQuery(document).ready(function($) {
        
    $('.boj_idc_link').click(function(){
        var link = this;
        // get comment id and nonce
        var href = $(link).attr( 'href' );
        var id =    href.replace(/^.*c=(\d+).*$/, '$1');
        var nonce = href.replace(/^.*_wpnonce=([a-z0-9]+).*$/, '$1');
        
        var data = {
            action: 'boj_idc_ajax_delete',
            cid: id,
            nonce: nonce
        }
        
        $.post( boj_idc.ajaxurl, data, function(data){
            var status  = $(data).find('response_data').text();
            var message = $(data).find('supplemental message').text();
            if( status == 'success' ) {
                $(link).parent().after( '<p><b>'+message+'</b></p>' ).remove();
            } else {
                alert( message );
            }
        });
		return false;  
    });
        
});
</SCRIPT>