- wp_mail( get_site_option( 'admin_email' ), $subject, implode( "\n", $body ) );
+ /**
+ * Filter the debug email that can be sent following an automatic background core update.
+ *
+ * @since 3.8.0
+ *
+ * @param array $email {
+ * Array of email arguments that will be passed to wp_mail().
+ *
+ * @type string $to The email recipient. An array of emails can be returned,
+ * as handled by wp_mail().
+ * @type string $subject Email subject.
+ * @type string $body Email message body.
+ * @type string $headers Any email headers. Default empty.
+ * }
+ * @param int $failures The number of failures encountered while upgrading.
+ * @param mixed $results The results of all attempted updates.
+ */
+ $email = apply_filters( 'automatic_updates_debug_email', $email, $failures, $this->update_results );
+
+ wp_mail( $email['to'], $email['subject'], $email['body'], $email['headers'] );