override co author limit

function jnews_get_author_coauthor( $post_id = null, $image = true, $by_class = null, $limit = 0 ) {
    $limit = 10; /* showing author name limit */
    if ( jnews_check_coauthor_plus() ) {
        /** Get coauhtor list */
        $coauthors = get_coauthors( $post_id );
        /** Real Iterate */
        $real_i = new CoAuthorsIterator( $post_id );
        /** Custom Iterate */
        $fake_i = new CoAuthorsIterator( $post_id );

        /** Start iterate */
        $real_i->iterate();
        $fake_i->iterate();

        /** Check limiter iterate */
        $count          = $fake_i->count();
        $check_limit    = ( $limit > 0 && $count > $limit ) ? true : false;
        $residual       = ( $check_limit ) ? $count - $limit : 0;
        $residual       = ( $check_limit ) ? '<span class="meta_text separators">' . $residual . ' ' . jnews_return_translation( 'others', 'jnews', 'others' ) . '</span>' : '';
        $fake_i->count  = ( $check_limit ) ? $limit + 1 : $count;
        $is_multiple    = $fake_i->count() > 1 ? true : false;
        $multiple_class = $is_multiple ? 'jnews_multiple_author' : '';

        $authors      = '';
        $author_image = '';

        /** Loop coauthor */
        foreach ( $coauthors as $coauthor ) {
            /** Trigger real iterate */
            $real_i->iterate();
            $output       = '';
            $author_text  = '';
            $guest_author = ( 'guest-author' === $coauthor->type ) ? true : false;

            /** Check author avatar */
            if ( $image && $real_i->position < 3 ) {
                if ( $guest_author ) {
                    $author_image .= coauthors_get_avatar( $coauthor, 80, null, $coauthor->display_name, $multiple_class );
                } else {
                    $author_image .= get_avatar( get_the_author_meta( 'ID', $coauthor->ID ), 80, null, get_the_author_meta( 'display_name', $coauthor->ID ), array( 'class' => $multiple_class ) );
                }
                if ( ! $is_multiple ) {
                    $author_text .= $author_image;
                    $author_image = '';
                }
            }

            /** Continue if limit reacehed */
            if ( $check_limit && $fake_i->is_last() ) {
                continue;
            }
            if ( 0 === $fake_i->position ) {
                $author_text .= '<span class="meta_text ' . $by_class . '">' . jnews_return_translation( 'by', 'jnews', 'by' ) . '</span>';
            }
            $author_text .= $guest_author ? coauthors_posts_links_single( $coauthor ) : jnews_the_author_link( $coauthor->ID, false );

            // Append separators.
            if ( 1 === $fake_i->count() - $fake_i->position ) { // last author or only author.
                $output .= $author_text;
            } elseif ( 2 === $fake_i->count() - $fake_i->position ) { // second to last.
                $output .= $author_text . '<span class="meta_text separators-and">' . jnews_return_translation( 'and', 'jnews', 'and' ) . '</span>';
            } else {
                $output .= $author_text . '<span class="meta_text separators">' . jnews_return_translation( ',', 'jnews', ',' ) . '</span>';
            }

            /** Trigger custom iterate */
            $fake_i->iterate();
            $authors .= $output;
        }
        $authors  = $is_multiple ? $author_image . $authors : $authors;
        $authors .= $residual;

        return $authors;
    }

    return '';
}