Block third party cookies with GDPR Cookie Compliance WordPress plugin

functions-cookies.php

<?php

/* Force page reload on gpdr_cookie accept */
add_action('gdpr_force_reload', '__return_true');

/* 
 * Disable cookie for Omnisend for Woocommerce
 * Here we are disabling a plugin option, the filter does not exists inside the plugin
 * We are directly changing an option value using https://developer.wordpress.org/reference/hooks/option_option/
 * https://wordpress.org/plugins/omnisend-connect/
 */
add_filter( 'option_omnisend_account_id', 'load_omnisend_with_consent', 10, 2 );
function load_omnisend_with_consent( $value, $option ) {
    if (function_exists('gdpr_cookie_is_accepted')) :
        if (gdpr_cookie_is_accepted('thirdparty')) :
            return $value;
        endif;
    endif;
		
    return null;
}

/* 
 * Disable cookie for Facebook for WooCommerce 
 * https://wordpress.org/plugins/facebook-for-woocommerce/
 */
add_filter('facebook_for_woocommerce_integration_pixel_enabled', 'gdpr_cookie_facebook_wc', 20);
function gdpr_cookie_facebook_wc()
{
    $enable_fb_wc = true;
    if (function_exists('gdpr_cookie_is_accepted')) :
        $enable_fb_wc = gdpr_cookie_is_accepted('thirdparty');
    endif;
    return $enable_fb_wc;
}