MIPL WC Multisite Sync – Synchronize WC Products, Orders, Customers & Coupons across multiple sites

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Is getting SSL error?

Confirm SSL is enabled on both sites for secure data transfer. Without SSL, API key access will be ineffective. For testing on localhost or development environments, use self-signed SSL. Include the following code in the functions.php or main plugin file on both sites.

add_filter('http_request_args', 'wp_wc_allow_unsafe_url_for_testing', 0, 1);
function wp_wc_allow_unsafe_url_for_testing($args) {
    $args['sslverify'] = false;
    $args['reject_unsafe_urls'] = false;
    return $args;
}

Please replace ‘development’ with the actual value that indicates your development environment if your setup uses a different constant or configuration.

Remember to remove or adjust this code before deploying your website to a live production environment, as using self-signed or invalid SSL certificates in production can expose your site and users to security threats.

How To Fix the “cURL Error 28: Connection Timed Out”

Increase the HTTP request timeout,
Place this code snippet in your theme’s functions.php file, If you need a longer timeout, you can adjust the value accordingly.

// Increase HTTP request timeout
function custom_http_request_timeout( $timeout ) {
    $timeout = 60; // in seconds
    return $timeout;
}
add_filter( 'http_request_timeout', 'custom_http_request_timeout' );

If you’re still encountering errors after increasing the timeout, follow the troubleshooting steps you mentioned:
1. Check Firewall settings in Security Plugin: Ensure that your security plugin is not blocking outgoing requests.
2. Check site SSL Certificate: Verify that your SSL certificate is valid and properly configured.
3. Check the cURL version: Make sure cURL is installed and updated to the latest version on your server.
4. Check the PHP memory limit: Ensure that your PHP memory limit is sufficient for the operations you’re performing.