meta_box_prefs example

        ?> <fieldset class="metabox-prefs"> <legend><?php _e( 'Screen elements' ); ?></legend> <p> <?php _e( 'Some screen elements can be shown or hidden by using the checkboxes.' ); ?> <?php _e( 'Expand or collapse the elements by clicking on their headings, and arrange them by dragging their headings or by clicking on the up and down arrows.' ); ?> </p> <div class="metabox-prefs-container"> <?php
        meta_box_prefs( $this );

        if ( 'dashboard' === $this->id && has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) {
            if ( isset( $_GET['welcome'] ) ) {
                $welcome_checked = empty( $_GET['welcome'] ) ? 0 : 1;
                update_user_meta( get_current_user_id(), 'show_welcome_panel', $welcome_checked );
            } else {
                $welcome_checked = (int) get_user_meta( get_current_user_id(), 'show_welcome_panel', true );
                if ( 2 === $welcome_checked && wp_get_current_user()->user_email !== get_option( 'admin_email' ) ) {
                    $welcome_checked = false;
                }
            }