email_change_email WordPress Filter Hook
This hook is called whenever an email address is changed for a user. It allows you to do something with the old and new email addresses, for example, send an email to the old address notifying them of the change.
apply_filters( 'email_change_email',  array $email_change_email ,  array $user ,  array $userdata  ) #
Filters the contents of the email sent when the user’s email is changed.
Parameters
- $email_change_email
 (array)Used to build wp_mail().
- 'to'
(string) The intended recipients. - 'subject'
(string) The subject of the email. - 'message'
(string) The content of the email. The following strings have a special meaning and will get replaced dynamically:- ###USERNAME### The current user's username.
 - ###ADMIN_EMAIL### The admin email in case this was unexpected.
 - ###NEW_EMAIL### The new email address.
 - ###EMAIL### The old email address.
 - ###SITENAME### The name of the site.
 - ###SITEURL### The URL to the site.
 
 - 'headers'
(string) Headers. 
- 'to'
 - $user
 (array)The original user array.
- $userdata
 (array)The updated user array.
Source
File: wp-includes/user.php
Changelog
| Version | Description | 
|---|---|
| 4.3.0 | Introduced. |