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In comments, I want to limit author names. For example, the author's name should be no more than 10 characters. I'm looking for a way to do this. Thank you very much in advance.

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There's a filter called get_comment_author that you can hook into to modify a comment author's appearance.

add_filter( 'get_comment_author', function( $author, $comment_id, $comment ) {

    // limit to first 10 characters
    $author = substr( $author, 0, 10 );

    return $author;
}, 10, 3 );
  • Thank you very much. It definitely works. I wish you a happy day! – A. Muller Dec 5 '18 at 18:19

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