WordPress 5 Cookbook

Activating the user from an email link

Here, we complete the process by implementing the activation process. In step 6, we used the login_message filter with a callback function called wpccp_chapter5_add_login_message.

login_message: This is a built-in filter used to filter and change the default message in the backend login screen. We can use this filter to change the message dynamically, based on the necessary conditions.

Inside the function, we check the availability of the activation code from the email link by using $_GET['activation_code']. Once we have an activation code, we use the base64_decode function to decode the base64-encoded string and unserialize to convert the values into an array. Next, we retrieve the activation status ...