function your_custom_pagination() {
    global $wp_query;
    $total = $wp_query->max_num_pages;

    if ( $total > 1 ) {
        if ( !$current_page = get_query_var('paged') ) {
            $current_page = 1;
        }
        echo paginate_links(array(
            'base' => get_pagenum_link(1) . '%_%',
            'format' => '?paged=%#%',
            'current' => $current_page,
            'total' => $total,
            'mid_size' => 4,
            'type' => 'list',
            'prev_text' => '<span><<</span>',
            'next_text' => '<span>>></span>'
        ));
    }
}