_print_styles example

$wp_styles->do_concat = $concatenate_scripts;
    $wp_styles->do_items( false );

    /** * Filters whether to print the admin styles. * * @since 2.8.0 * * @param bool $print Whether to print the admin styles. Default true. */
    if ( apply_filters( 'print_admin_styles', true ) ) {
        _print_styles();
    }

    $wp_styles->reset();
    return $wp_styles->done;
}

/** * Prints the styles that were queued too late for the HTML head. * * @since 3.3.0 * * @global WP_Styles $wp_styles * @global bool $concatenate_scripts * * @return array|void */