如何使用管理中的复选框在dropdwon中显示wp标签

function wp_dropdown_tags_with_checkbox( $args = '' ) {
    $defaults = array(
        'show_option_all'    => '',
        'show_option_none'   => '',
        'orderby'            => 'name',
        'order'              => 'ASC',
        'show_count'         => 0,
        'hide_empty'         => 1,
        'child_of'           => 0,
        'exclude'            => '',
        'echo'               => 1,
        'selected'           => 0,
        'hierarchical'       => 0,
        'name'               => 'tag',
        'id'                 => '',
        'class'              => '',
        'depth'              => 0,
        'tab_index'          => 0,
        'taxonomy'           => 'post_tag',
        'hide_if_empty'      => false,
        'value_field'        => 'term_id',
    );

    $r = wp_parse_args( $args, $defaults );
    $tags = get_terms( $r['taxonomy'], $r );

    if ( ! $tags ) {
        return '';
    }

    $name = esc_attr( $r['name'] );
    $id = $r['id'] ? esc_attr( $r['id'] ) : $name;
    $class = $r['class'] ? ' ' . esc_attr( $r['class'] ) : '';
    $tab_index = $r['tab_index'] ? ' tabindex="' . esc_attr( $r['tab_index'] ) . '"' : '';

    $dropdown = "<select name='{$name}[]' id='{$id}' class='wpse-dropdown{$class}' multiple='multiple'{$tab_index}>";
    $dropdown .= '<option value="">' . esc_html( $r['show_option_all'] ) . '</option>';

    if ( ! empty( $r['show_option_none'] ) ) {
        $selected = selected( in_array( '0', (array) $r['selected'], true ), true, false );
        $dropdown .= "<option value='0'{$selected}>" . esc_html( $r['show_option_none'] ) . '</option>';
    }

    $name = esc_attr( $name );
    $id = $r['id'] ? esc_attr( $r['id'] ) : $name;
    $class = $r['class'] ? ' ' . esc_attr( $r['class'] ) : '';
    $tab_index = $r['tab_index'] ? ' tabindex="' . esc_attr( $r['tab_index'] ) . '"' : '';

    foreach ( $tags as $tag ) {
        $term_id = $tag->term_id;
        $name = esc_attr( $r['name'] );
        $selected = selected( in_array( strval( $term_id ), (array) $r['selected'], true ), true, false );
        $dropdown .= "<option value='{$term_id}'{$selected}>" . esc_html( $tag->name ) . '</option>';
    }

    $dropdown .= '</select>';

    if ( $r['echo'] ) {
        echo $dropdown;
    }

    return $dropdown;
}

$args = array(
    'taxonomy' => 'post_tag',
    'name' => 'wp_tags',
    'id' => 'wp_tags',
    'show_option_all' => 'All Tags',
    'selected' => array( 1, 2, 3 ), // 选中的标签ID
);
wp_dropdown_tags_with_checkbox( $args );