Ticket #49046: 49046.patch

src/wp-includes/user.php

@@ -2874 +2874 @@
                 $content = str_replace( '###SITENAME###', $sitename, $content );
                 $content = str_replace( '###SITEURL###', home_url(), $content );
 
-                /* translators: New email address notification email subject. %s: Site title. */
-                wp_mail( $_POST['email'], sprintf( __( '[%s] Email Change Request' ), $sitename ), $content );
+                $new_user_email_notification = array(
+                        'to' => $_POST['email'],
+                        /* translators: New email address notification email subject. %s: Site title. */
+                        'subject' => __( '[%s] Email Change Request' ),
+                        'message' => $content,
+                        'headers' => '',
+                );
 
+                /**
+                 * Filters the contents of the new user email notification sent to the user upon email change.
+                 *
+                 * @since unknown
+                 *
+                 * @param array   $new_user_email_notification {
+                 *     Used to build wp_mail().
+                 *
+                 *     @type string $to         The intended recipient - New user email address.
+                 *     @type string $subject    The subject of the email.
+                 *     @type string $message    The body of the email.
+                 *     @type string $headers    The headers of the email.
+                 * }
+                 * @param WP_User $current_user User object for new user.
+                 * @param string  $sitename     The site title.
+                 */
+                $new_user_email_notification = apply_filters( 'new_user_email_notification', $new_user_email_notification, $current_user, $sitename );
+
+                wp_mail(
+                        $new_user_email_notification['to'],
+                        wp_specialchars_decode( sprintf( $new_user_email_notification['subject'], $sitename ) ),
+                        $new_user_email_notification['message'],
+                        $new_user_email_notification['headers']
+                );
+
                 $_POST['email'] = $current_user->user_email;
         }
 }