yii2에서 디버깅을 활성화하는 방법

defined('YII_DEBUG') or define('YII_DEBUG', true);
defined('YII_ENV') or define('YII_ENV', 'dev');

if (YII_ENV_DEV) {   
    // configuration adjustments for 'dev' environment
    $config['bootstrap'][] = 'debug';
    $config['modules']['debug'] = [        'class' => 'yii\debug\Module',
    // uncomment the following to add your IP if you are not connecting from localhost.
        'allowedIPs' => ['127.0.0.1', '我的IP'],  
    ];

    $config['bootstrap'][] = 'gii';
    $config['modules']['gii'] = [        
    'class' => 'yii\gii\Module',        
    // uncomment the following to add your IP if you are not connecting from localhost.
        'allowedIPs' => ['127.0.0.1', '我的IP'],
    ];
}