'; $book_author_blog_comment_field['email'] = ''; $book_author_blog_comment_field['url'] = ' '; return $book_author_blog_comment_field; } add_filter( 'comment_form_defaults', 'book_author_blog_comment_default_form' ); function book_author_blog_comment_default_form( $default_form ) { $default_form['comment_field'] = ''; $default_form['submit_button'] = ''; $default_form['comment_notes_before'] = ''; $default_form['title_reply'] = esc_attr__( 'Leave A Comment', 'book-author-blog' ); $default_form['title_reply_before'] = '