WPML Multilingual & Multicurrency for WooCommerce – Currency Switching Issue with Kinsta Cache

Status: Open
Reported for: WPML Multilingual & Multicurrency for WooCommerce 5.3.6
Topic tags: Bug, WCML

Overview of the issue

For websites hosted on Kinsta, there may be instances where WPML Multilingual & Multicurrency for WooCommerce currency switching functionality encounters difficulties. This can result in users viewing incorrect currency displays or being unable to switch currencies as expected.

Workaround

To mitigate this issue, a combination of code adjustments and Kinsta support intervention is recommended.

Step 1

Please, make sure of having a full site backup of your site before proceeding.

Add the following code snippet to your theme’s functions.php file:

/**
 * Enable cookie strategy for Kinsta caching.
 * 
 * @link wpmlsupp-11434
 */
add_filter( 'wcml_user_store_strategy', function () {
    return 'cookie';
});

Step 2

After implementing the code snippet, reach out to Kinsta support to request enabling cookie-based caching for your site. Specifically, ask to use the wcml_client_currency cookie for cache bucket keys.

You can find more information about how to get help support from Kinsta team on this link.

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