learndash_notifications_get_recipients_emails( array $recipients, int $user_id = null, int $course_id = null, object $notification = null, $group_id = null )
Get recipients emails
Description #
Parameters #
- $recipients
-
(array) (Required) List of recipients
- $user_id
-
(int) (Optional) ID of a user. Default is null
Default value: null
- $course_id
-
(int) (Optional) ID of a course that triggers notification
Default value: null
- $notification
-
(object) (Optional) Notification WP_Post object that triggers notification
Default value: null
Return #
(array) List of email addresses