Delete Users from a WordPress Website once they Unsubscribed from a List
If you need a more deep synchronization between WordPress and MailChimp, take a look at my plugin.
Create a Webhook inside MailChimp
Actually there are two ways of creating MailChimp webhooks – via the dashboard and via the MailChimp API. In this tutorial we will talk about the first method, but if you need a way to create webhooks in code, check this tutorial.
To create a webhook, in your MailChimp dashboard go to Lists, select one and in a dropdown menu Settings select Webhooks.
Webhook settings page will look something like this:
Delete a user once the webhook is fired
Once you created a webhook, let’s configure your WordPress website the proper way. Actually, you do not even have to have much coding knowledge, just insert the below code to your current theme functions.php (better a child theme or a custom plugin).
add_action( 'init', 'misha_user_delete_webhook'); function misha_user_delete_webhook(){ // exit the function in case it is not our hook if( empty( $_GET['process-webhook'] ) || empty( $_POST['type'] ) || $_GET['process-webhook'] != 'delete' ) return; if( $_POST['type'] === 'unsubscribe' ) { // we must get user ID somehow, let's to it with get_user_by() $user = get_user_by( 'email', $_POST['data']['email'] ); // wp_delete_user() is an Admin function and it won't work without this line require_once(ABSPATH . 'wp-admin/includes/user.php' ); wp_delete_user( $user->ID ); } }
If users have some articles on your website and you do not want to delete all the content, to a second parameter pass a user ID, you would like to reassign the content to, example: wp_delete_user( $user->ID, 1 ).
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Comments — 2
Would a similar solution be able to be achieved with Webhooks created in Zapier.com?
This would open up a lot of possibilities for my client’s websites, as I use Zapier to connect a range of different Marketing Automation and/or Email marketing systems to their websites.
I heard about Zapier and some of my clients use it. But I didn’t have a chance to try it.
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