public function delUser($id_user) { if ($this->id_edition != 0) { require_once _lms_ . '/lib/lib.edition.php'; $edition_man = new EditionManager(); return $edition_man->delUserFromEdition($id_user, $this->id_course, $this->id_edition); } elseif ($this->id_date != 0) { require_once _lms_ . '/lib/lib.date.php'; $date_man = new DateManager(); return $date_man->delUserFromDate($id_user, $this->id_course, $this->id_date); } else { require_once _lms_ . '/lib/lib.subscribe.php'; $subscribe_man = new CourseSubscribe_Manager(); return $subscribe_man->delUserFromCourse($id_user, $this->id_course); } }