/** * Clear all project timeslots * * @param void * @return null */ private function clearTimeslots() { if (is_null($this->all_timeslots)) { $this->all_timeslots = Timeslots::getAllProjectTimeslots($this); } if (is_array($this->all_timeslots)) { foreach ($this->all_timeslots as $t) { $t->delete(); } } }