/** * Check grade hidden status. Uses data from both grade item and grade. * * @return int 0 means visible, 1 hidden always, timestamp hidden until */ public function get_hidden() { $this->load_grade_item(); $item_hidden = $this->grade_item->get_hidden(); if ($item_hidden == 1) { return 1; } else { if ($item_hidden == 0) { return $this->hidden; } else { if ($this->hidden == 0) { return $item_hidden; } else { if ($this->hidden == 1) { return 1; } else { if ($this->hidden > $item_hidden) { return $this->hidden; } else { return $item_hidden; } } } } } }