Wordpress Theming by cookie

function.php

function set_newuser_cookie() {
    if (!isset($_COOKIE['wp_exq_cookieTheming'])) {
        setcookie('wp_exq_cookieTheming', rand(0,5), time()+60*5, COOKIEPATH, COOKIE_DOMAIN, false);
    }
}
add_action( 'init', 'set_newuser_cookie');

/*based on some url : themes/exquiseV2/style/  */
/*Style_0.css                                  */
/*Style_1.css                                  */
/*Style_2.css                                  */
/*Style_3.css                                  */
/*Style_4.css                                  */
/* Init with the custom cookie                 */

if (isset($_COOKIE['wp_exq_cookieTheming'])) {
     

    /*
     * register with hook 'wp_print_styles'
     */
    add_action('wp_print_styles', 'add_my_stylesheet');

    /*
     * Enqueue style-file, if it exists.
     */

    function add_my_stylesheet() {
        $myStyleFile = get_template_directory().'/style/Style_'.$_COOKIE['wp_exq_cookieTheming'].'.css';
        if ( file_exists($myStyleFile) ) {
            wp_register_style('myStyleSheets', $myStyleFile);
            wp_enqueue_style( 'myStyleSheets');
        }
    }


}
else {
     
    /*
     * register with hook 'wp_print_styles'
     */
    add_action('wp_print_styles', 'add_my_stylesheet');

    /*
     * Enqueue style-file, if it exists.
     */

    function add_my_stylesheet() {
        $myStyleFile = get_template_directory().'/style/Style_'.rand(0,5).'.css';
        if ( file_exists($myStyleFile) ) {
            wp_register_style('myStyleSheets', $myStyleFile);
            wp_enqueue_style( 'myStyleSheets');
        }
    }


}