common\models\Post Object
(
    [cat] => 
    [file] => 
    [time_create] => 
    [datefarsi] => 
    [tag] => 
    [_attributes:yii\db\BaseActiveRecord:private] => Array
        (
            [id] => 964
            [title] => errors::invalid argument supplied for foreach()
            [body] => <p dir="rtl">اگر ارایه داخل foreach خالی باشد. این error ایجاد میشود.</p>

<p dir="rtl">کد اصلاحی :</p>

<pre>
<code class="language-php"> foreach((array)$model-&gt;flight_list as $fly){}</code></pre>

<p>&nbsp;</p>

            [date] => 2019-10-23 12:03:12
            [file_path] => 
            [thumb_nail] => uploads/9K2f75hw9hrDQtd.png
            [summery] => 
            [pic] => 
            [link] => 
            [slug] => errorsinvalid-argument-supplied-for-foreach-
            [author_id] => 11
            [author] => 
        )

    [_oldAttributes:yii\db\BaseActiveRecord:private] => Array
        (
            [id] => 964
            [title] => errors::invalid argument supplied for foreach()
            [body] => <p dir="rtl">اگر ارایه داخل foreach خالی باشد. این error ایجاد میشود.</p>

<p dir="rtl">کد اصلاحی :</p>

<pre>
<code class="language-php"> foreach((array)$model-&gt;flight_list as $fly){}</code></pre>

<p>&nbsp;</p>

            [date] => 2019-10-23 12:03:12
            [file_path] => 
            [thumb_nail] => uploads/9K2f75hw9hrDQtd.png
            [summery] => 
            [pic] => 
            [link] => 
            [slug] => errorsinvalid-argument-supplied-for-foreach-
            [author_id] => 11
            [author] => 
        )

    [_related:yii\db\BaseActiveRecord:private] => Array
        (
        )

    [_relationsDependencies:yii\db\BaseActiveRecord:private] => Array
        (
        )

    [_errors:yii\base\Model:private] => 
    [_validators:yii\base\Model:private] => 
    [_scenario:yii\base\Model:private] => default
    [_events:yii\base\Component:private] => Array
        (
        )

    [_eventWildcards:yii\base\Component:private] => Array
        (
        )

    [_behaviors:yii\base\Component:private] => Array
        (
        )

)
<pre>An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in /home/avishost/public_html/frontend/controllers/PostController.php on line 75. in /home/avishost/public_html/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /home/avishost/public_html/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response-&gt;sendHeaders()
#1 /home/avishost/public_html/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response-&gt;send()
#2 /home/avishost/public_html/vendor/yiisoft/yii2/base/ErrorHandler.php(123): yii\web\ErrorHandler-&gt;renderException(Object(yii\base\ErrorException))
#3 [internal function]: yii\base\ErrorHandler-&gt;handleException(Object(yii\base\ErrorException))
#4 {main}
Previous exception:
yii\base\ErrorException: session_set_cookie_params(): Cannot change session cookie parameters when headers already sent in /home/avishost/public_html/vendor/yiisoft/yii2/web/Session.php:399
Stack trace:
#0 [internal function]: yii\base\ErrorHandler-&gt;handleError(2, &#039;session_set_coo...&#039;, &#039;/home/avishost/...&#039;, 399, Array)
#1 /home/avishost/public_html/vendor/yiisoft/yii2/web/Session.php(399): session_set_cookie_params(Array)
#2 /home/avishost/public_html/vendor/yiisoft/yii2/web/Session.php(135): yii\web\Session-&gt;setCookieParamsInternal()
#3 /home/avishost/public_html/vendor/yiisoft/yii2/web/Session.php(630): yii\web\Session-&gt;open()
#4 /home/avishost/public_html/vendor/yiisoft/yii2/web/Session.php(769): yii\web\Session-&gt;get(&#039;__flash&#039;, Array)
#5 /home/avishost/public_html/common/widgets/Alert.php(51): yii\web\Session-&gt;getAllFlashes()
#6 /home/avishost/public_html/vendor/yiisoft/yii2/base/BaseObject.php(109): common\widgets\Alert-&gt;init()
#7 [internal function]: yii\base\BaseObject-&gt;__construct(Array)
#8 /home/avishost/public_html/vendor/yiisoft/yii2/di/Container.php(392): ReflectionClass-&gt;newInstanceArgs(Array)
#9 /home/avishost/public_html/vendor/yiisoft/yii2/di/Container.php(159): yii\di\Container-&gt;build(&#039;common\\widgets\\...&#039;, Array, Array)
#10 /home/avishost/public_html/vendor/yiisoft/yii2/BaseYii.php(365): yii\di\Container-&gt;get(&#039;common\\widgets\\...&#039;, Array, Array)
#11 /home/avishost/public_html/vendor/yiisoft/yii2/base/Widget.php(137): yii\BaseYii::createObject(Array)
#12 /home/avishost/public_html/frontend/views/layouts/main.php(294): yii\base\Widget::widget()
#13 /home/avishost/public_html/vendor/yiisoft/yii2/base/View.php(348): require(&#039;/home/avishost/...&#039;)
#14 /home/avishost/public_html/vendor/yiisoft/yii2/base/View.php(257): yii\base\View-&gt;renderPhpFile(&#039;/home/avishost/...&#039;, Array)
#15 /home/avishost/public_html/vendor/yiisoft/yii2/base/Controller.php(401): yii\base\View-&gt;renderFile(&#039;/home/avishost/...&#039;, Array, Object(frontend\controllers\PostController))
#16 /home/avishost/public_html/vendor/yiisoft/yii2/base/Controller.php(387): yii\base\Controller-&gt;renderContent(&#039;\n&lt;!--end loadin...&#039;)
#17 /home/avishost/public_html/frontend/controllers/PostController.php(84): yii\base\Controller-&gt;render(&#039;view&#039;, Array)
#18 [internal function]: frontend\controllers\PostController-&gt;actionView(&#039;964&#039;)
#19 /home/avishost/public_html/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#20 /home/avishost/public_html/vendor/yiisoft/yii2/base/Controller.php(157): yii\base\InlineAction-&gt;runWithParams(Array)
#21 /home/avishost/public_html/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller-&gt;runAction(&#039;view&#039;, Array)
#22 /home/avishost/public_html/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module-&gt;runAction(&#039;post/view&#039;, Array)
#23 /home/avishost/public_html/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application-&gt;handleRequest(Object(yii\web\Request))
#24 /home/avishost/public_html/frontend/web/index.php(21): yii\base\Application-&gt;run()
#25 {main}</pre>