Include Exclude Tax Toogle For Woocommerce

functions.php

<?php

function kl_tax_toggle_shortcode() {

    $kl_show_tax = isset($_COOKIE['kl_show_tax']) ? $_COOKIE['kl_show_tax'] : 'yes';

    ob_start();
    ?>
    <div class="kl-tax-toggle-wrapper">
       
        <a href="javascript:void(0)" id="kl-hide-tax-btn" data-show-tax="no" class="<?php echo $kl_show_tax === 'no' ? 'active' : ''; ?>">
            Exclude
        </a>
		 <a href="javascript:void(0)" id="kl-show-tax-btn" data-show-tax="yes" class="<?php echo $kl_show_tax === 'yes' ? 'active' : ''; ?>">
           Include
        </a>
    </div>
    <script type="text/javascript">
       document.addEventListener('DOMContentLoaded', function() {
			var showTaxButton = document.getElementById('kl-show-tax-btn');
			var hideTaxButton = document.getElementById('kl-hide-tax-btn');

			showTaxButton.addEventListener('click', function() {
				document.cookie = 'kl_show_tax=yes;path=/';
				kl_refreshCart();
			});

			hideTaxButton.addEventListener('click', function() {
				document.cookie = 'kl_show_tax=no;path=/';
				kl_refreshCart();
			});

			function kl_refreshCart() {
				jQuery('body').trigger('wc_fragment_refresh');
				location.reload();
			}
		});
    </script>
    <?php
    $output = ob_get_clean();
    return $output;
}
add_shortcode('kl_tax_toggle', 'kl_tax_toggle_shortcode');

function kl_clear_cart_prices_on_toggle() {
    if ( isset($_COOKIE['kl_show_tax']) ) {
        if ( isset($_GET['kl_refresh_cart']) && $_GET['kl_refresh_cart'] === '1' ) {
            WC()->cart->calculate_totals();
            WC()->cart->set_session();
            wc_add_notice('Cart prices updated based on tax toggle.', 'success');
        }
    }
}
add_action('init', 'kl_clear_cart_prices_on_toggle');

function kl_add_refresh_param_to_urls( $url ) {
    if ( isset($_COOKIE['kl_show_tax']) ) {
        $url = add_query_arg('kl_refresh_cart', '1', $url);
    }
    return $url;
}
add_filter('woocommerce_get_checkout_url', 'kl_add_refresh_param_to_urls');
add_filter('woocommerce_get_cart_url', 'kl_add_refresh_param_to_urls');

function kl_display_prices_including_tax() {
    $kl_show_tax = isset($_COOKIE['kl_show_tax']) ? $_COOKIE['kl_show_tax'] : 'yes';
    return $kl_show_tax === 'yes';
}
add_filter('woocommerce_cart_display_prices_including_tax', 'kl_display_prices_including_tax');

function kl_adjust_shop_prices_based_on_tax_toggle( $price, $product ) {
    $kl_show_tax = isset($_COOKIE['kl_show_tax']) ? $_COOKIE['kl_show_tax'] : 'yes';

    if ( $kl_show_tax === 'no' ) {
        $tax_rates = WC_Tax::get_rates( $product->get_tax_class() );
        $taxes = WC_Tax::calc_tax( $product->get_price(), $tax_rates, true );
        $price_excl_tax = wc_price( $product->get_price() - array_sum( $taxes ) );
        $price = $price_excl_tax." excl tax";
    }

    return $price;
}
add_filter( 'woocommerce_get_price_html', 'kl_adjust_shop_prices_based_on_tax_toggle', 10, 2 );
add_filter( 'woocommerce_get_variation_price_html', 'kl_adjust_shop_prices_based_on_tax_toggle', 10, 2 );