set httponly cookie

hi i had written the code as below but i am getting 500 internal server error

here is my main.php file

<?php

$params = array_merge(

require(DIR . ‘/../../common/config/params.php’),

require(DIR . ‘/../../common/config/params-local.php’),

require(DIR . ‘/params.php’),

require(DIR . ‘/params-local.php’)

);

return [

‘id’ => ‘app-webapp’,

‘basePath’ => dirname(DIR),

‘controllerNamespace’ => ‘webapp\controllers’,

‘bootstrap’ => [‘log’],

‘modules’ => [],

‘components’ => [

‘urlManager’ => [

‘class’=>‘common\components\UrlManager’,

‘enablePrettyUrl’ => true,

‘showScriptName’ => false,

‘rules’ => require(DIR . ‘/url-rules.php’),

],

‘log’ => [

‘traceLevel’ => YII_DEBUG ? 3 : 0,

‘targets’ => [

[

‘class’ => ‘yii\log\FileTarget’,

‘levels’ => [‘error’, ‘warning’],

],

],

],

‘errorHandler’ => [

‘errorAction’ => ‘site/error’,

],

‘assetManager’ => [

‘bundles’ => [

‘yii\widgets\PjaxAsset’ => [

‘sourcePath’ => null,

‘js’ => [

‘extensions/jquery.pjax.js’,

],

],

‘yii\web\JqueryAsset’ => [

‘sourcePath’ => null,

//‘basePath’ => ‘@webroot’,

//‘baseUrl’ => ‘@web’,

‘basePath’ => ‘localhost’,

‘baseUrl’ => ‘localhost’,

‘js’ => [

‘extensions/jquery/jquery-1.11.3.min.js’,

]

],

],

],

‘session’ => array[

‘cookieParams’ => array[

‘httponly’ => true,

‘timeout’ => 3600 * 4, // 4 hrs

]

],

],

‘params’ => $params,

];

pls do needfull