WordPress, one of the most popular content management systems, provides a wide range of hooks and filters that allow developers to customize and extend its functionality. One essential hook for user account management is the “password_change_email.”

The “password_change_email” hook is a filter hook in WordPress that allows developers to modify the content of the password change email sent to users when they request to change their password.

To use the “password_change_email” hook effectively as a filter, follow these steps:

  1. Add a Custom Function: Create a custom function in your theme’s functions.php file or in a custom plugin to modify the password change email content. This function will be hooked into the “password_change_email” filter.
  2. Modify the Email Content: Within your custom function, access the email data passed through the filter and modify the desired parts of the email, such as the subject line, message body, or additional headers.
  3. Return the Modified Email: After customizing the email content, return the modified email from your custom function.

Here’s an example of how the “password_change_email” filter can be used to modify the email content in WordPress:

function customize_password_change_email($pass_change_email, $user_data) {
    // Modify the email subject
    $pass_change_email['subject'] = 'Password Change Request Confirmation';

    // Modify the email message body
    $pass_change_email['message'] = "Dear " . $user_data->display_name . ",\n\n";
    $pass_change_email['message'] .= "Your password has been successfully changed.\n\n";
    $pass_change_email['message'] .= "If you did not initiate this change, please contact our support team immediately.\n\n";
    $pass_change_email['message'] .= "Thank you,\nThe Example Company";

    // Return the modified email
    return $pass_change_email;
}
add_filter('password_change_email', 'customize_password_change_email', 10, 2);