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<?php
namespace App\Http\Api;
use Yii;
/**
* API module definition class
*/
class Module extends \yii\base\Module
{
* {@inheritdoc}
public $controllerNamespace = 'App\Http\Api\Controller';
public function init()
parent::init();
// custom initialization code goes here
$response = Yii::$app->getResponse();
$response->format = 'json';
}