PHP SI_TaskActivity::getTask示例

	function getDescription(){
		if($this->task_activity_id > 0){
			$ta = new SI_TaskActivity();
			if($ta->get($this->task_activity_id) === FALSE){
				$this->error = 'SI_InvoiceLineLink::getDescription(): Error getting task activity: '.$ta->getLastError();
				return FALSE;	
			}
			
			$task = $ta->getTask();
			$project = $task->getProject();
			return $project->name.":".$task->name;
		}elseif($this->expense_id > 0){
			$ex = new SI_Expense();
			if($ex->get($this->expense_id) === FALSE){
				$this->error = 'SI_InvoiceLineLink::getDescription(): Error getting expense: '.$ex->getLastError();
				return FALSE;	
			}
			return $ex->description;
		}elseif($this->payment_schedule_id > 0){
			$ps = new SI_PaymentSchedule();
			if($ps->get($this->payment_schedule_id) === FALSE){
				$this->error = 'SI_InvoiceLineLink::getDescription(): Error getting scheduled payment: '.$ps->getLastError();
				return FALSE;	
			}
			return $ps->description;
		}
		
		return 'Unknown';
	}