So not sure if i have missed something but awaiting comments dont have a own class, so is there a way to add in a simple way a custom class to comments that are awaiting moderation so that I can style there comments with CSS.


Here's one way to add a custom .wpse-comment-awaiting-moderation comment class through the comment_class filter:

add_filter( 'comment_class', 'wpse_259326_comment_classes', 10, 5 );

function wpse_259326_comment_classes ( $classes, $class, $comment_ID, $comment, $post_id )
    if( 'unapproved' === wp_get_comment_status( $comment ) && is_array( $classes ) )
        $classes[] = 'wpse-comment-awaiting-moderation';

    return $classes;

where we used that wp_get_comment_status( $comment ) returns 'unapproved' for unappproved comments.

  • this outputs a error: Warning: join() [function.join]: Invalid arguments passed in C:\wamp\www\xxxxxx\wp-includes\comment-template.php on line 430 i am using wp_list_comments() to outpu the comments – user759235 Mar 8 '17 at 14:55
  • strange, I don't see any obvious problems with the snippet. I just tested this on a default theme without an error and it worked there. @user759235 – birgire Mar 8 '17 at 15:22
  • Sounds like your get_comment_class() is returning a string instead of an array? Do you have another filters in place? What PHP are you using? – birgire Mar 8 '17 at 15:31
  • php 5.3.0 with wp 4.7.2 and no other files or code – user759235 Mar 8 '17 at 15:38
  • 1
    okay not sure why, but it now works....thanks!!!! – user759235 Mar 8 '17 at 15:55

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