[ 'request' => [ // !!! insert a secret key in the following (if it is empty) - this is required by cookie validation 'cookieValidationKey' => 'F6f1zNftWODvpoKEftccK0nGjnlGGC_a', ], ] ]; if (!YII_ENV_TEST) { // configuration adjustments for 'dev' environment $config['bootstrap'][] = 'debug'; $config['modules']['debug'] = [ 'class' => 'yii\debug\Module', 'allowedIPs' => ['77.47.190.198', '::80'] ]; $config['bootstrap'][] = 'gii'; $config['modules']['gii'] = 'yii\gii\Module'; } return $config;