ViewAction.php

<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\rest;

use Yii;

/**
 * ViewAction implements the API endpoint for returning the detailed information about a model.
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */
class ViewAction extends Action
{
	/**
	 * Displays a model.
	 * @param string $id the primary key of the model.
	 * @return \yii\db\ActiveRecordInterface the model being displayed
	 */
	public function run($id)
	{
		$model = $this->findModel($id);
		if ($this->checkAccess) {
			call_user_func($this->checkAccess, $this->id, $model);
		}
		return $model;
	}
}