How to Customize User Registration Notification Emails in WordPress

In this section, we will explore how to customize the user registration notification emails in WordPress. By default, when a new user registers on your website, WordPress sends an email notification to the user with their login details. However, you may want to personalize this email and add additional information.

The code snippet provided contains two functions that allow you to customize the subject and message of the user registration email.

Let’s start with the first function wpturbo_customize_user_registration_email_subject(). This function is hooked onto the wp_new_user_notification_subject filter. It takes two parameters: $subject and $user_id. The $subject parameter contains the default subject of the email, which we can modify. In this case, we set it to "Welcome to our website!".

function wpturbo_customize_user_registration_email_subject( $subject, $user_id ) {
    $subject = 'Welcome to our website!'; // Custom email subject
    return $subject;
}
add_filter( 'wp_new_user_notification_subject', 'wpturbo_customize_user_registration_email_subject', 10, 2 );

Next, we have the wpturbo_customize_user_registration_email_message() function. This function is hooked onto the wp_new_user_notification_message filter. It takes three parameters: $message, $user_id, and $user_pass. The $message parameter contains the default message of the email, which we can customize.

Inside this function, we use the get_userdata() function to retrieve the user data based on the $user_id provided. We then extract the user login using the $user->user_login property and assign it to the variable $user_login.

We construct the customized email message using string concatenation. In this example, we start with a greeting using the user’s login, then thank them for registering on our website. We also include their username for their reference. Additionally, we provide contact information if they need further assistance.

function wpturbo_customize_user_registration_email_message( $message, $user_id, $user_pass ) {
    $user = get_userdata( $user_id );
    $user_login = stripslashes( $user->user_login );
    $message = "Dear $user_login,nn";
    $message .= "Thank you for registering on our website.n";
    $message .= "Please keep this email for your records.nn";
    $message .= "Username: $user_loginnn";
    $message .= "If you have any questions or need further assistance, please feel free to contact us.nn";
    $message .= "Best regards,n";
    $message .= "Your Website Team";
    return $message;
}
add_filter( 'wp_new_user_notification_message', 'wpturbo_customize_user_registration_email_message', 10, 3 );

Once we have constructed the customized message, we return it using the return statement. This modified message will replace the default email message sent by WordPress.

By utilizing these two functions and hooking them into the relevant filters, you can easily customize the subject and message of the user registration notification emails in WordPress to better suit the needs of your website and users.