Object of class yii\db\ActiveQuery could not be converted to string - yii2

Question

I'm trying to print data with the help of kartik mPDF. The detailview part is printing without any issue. But I need to print some lines along with the detailview. Now I need to pass data from the model to the view to be printed. I'm trying to do that but not so sure. Currently I'm getting error -
Object of class yii\db\ActiveQuery could not be converted to string
I may be wrong in my approach. But please tell me what correction needs to be done. This is the same question as - How to pass data from model to a view in yii2
Code of Controller Action -
public function actionPrintsalarystatement($id) {
//Yii::app()->params['period'] = $period;
//$s_period = $this->originalperiod;
$period = Salary::find()->select(['s_period'])->where(['s_id' => $id])->asArray();
//$period = Yii::$app->request->post('period');
//$this->period = Salary::find()->select(['s_period'])->where(['s_id' => $id]);
//$period = ArrayHelper::map(Salary::find($id)->select(['s_period'])->asArray()->all(), 's_period', 'period'),
//$model = Salary::find()->where(['s_period' => $period]);
$model = $this->findModel($id);
$searchModel = new SalarySearch();
$dataProvider = $searchModel->search(Yii::$app->request->queryParams);
$data = Salary::findOne($id);
$content = $this->renderPartial('_printSalarystatement', [
'model' => $model,
'dataProvider' => $dataProvider,
'searchModel' => $searchModel,
'data'=> $data,
'period' => $period,
]);
$pdf = new Pdf([
'mode'=> Pdf::MODE_UTF8,
'format'=> Pdf::FORMAT_A4,
'destination'=> Pdf::DEST_BROWSER,
//'destination' => Pdf::DEST_DOWNLOAD,
'cssFile' => '#vendor/kartik-v/yii2-mpdf/assets/kv-mpdf-bootstrap.min.css',
// any css to be embedded if required
'cssInline' => '.kv-heading-1{font-size:18px}',
// set mPDF properties on the fly
'options' => ['title' => 'Print Payslip'],
// call mPDF methods on the fly
'methods' => [
'SetHeader'=>['Private and Confidential'],
'SetFooter'=>['This Payslip is computer generated.'],
],
'content' => $content,
]);
return $pdf->render();
//return $this->render('_printSalarystatement', ['s_period' => $s_period]);
}
Updated view.php
<?php
use yii\helpers\Html;
use yii\widgets\DetailView;
use yii\web\View;
/* #var $this yii\web\View */
/* #var $model frontend\modules\salary\models\Salary */
//#var $model yii\base\Model
//#var $totaldays any
//$this->title = $model->s_id;
//$this->period = $model->s_period;
$this->params['breadcrumbs'][] = ['label' => 'Salaries', 'url' => ['index']];
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="salary-view">
<h1><strong><p class="text-center">My Company</p></strong></h1>
<p class="text-center">Pay Slip for the month of <?php $model['s_period'];?> </p>
<?= DetailView::widget([
'model' => $model,
'attributes' => [
's_id',
's_date',
's_period',
's_empid',
's_empname',
's_workingdays',
's_leave',
's_holiday',
's_wageperday',
's_totalwage',
's_ovthour',
],
]) ?>
</div>
What I'm trying to do -
Currently I'm getting

Answer 1

Comment the $period object you are creating in controller as follows:
public function actionPrintsalarystatement($id) {
//Yii::app()->params['period'] = $period;
//$s_period = $this->originalperiod;
//$period = Salary::find()->select(['s_period'])->where(['s_id' => $id])->asArray(); <=== Comment this line
//$period = Yii::$app->request->post('period');
//$this->period = Salary::find()->select(['s_period'])->where(['s_id' => $id]);
//$period = ArrayHelper::map(Salary::find($id)->select(['s_period'])->asArray()->all(), 's_period', 'period'),
//$model = Salary::find()->where(['s_period' => $period]);
$model = $this->findModel($id);
$searchModel = new SalarySearch();
$dataProvider = $searchModel->search(Yii::$app->request->queryParams);
$data = Salary::findOne($id);
$content = $this->renderPartial('_printSalarystatement', [
'model' => $model,
'dataProvider' => $dataProvider,
'searchModel' => $searchModel,
'data'=> $data,
//'period' => $period, <=== Comment this as well
]);
$pdf = new Pdf([
'mode'=> Pdf::MODE_UTF8,
'format'=> Pdf::FORMAT_A4,
'destination'=> Pdf::DEST_BROWSER,
//'destination' => Pdf::DEST_DOWNLOAD,
'cssFile' => '#vendor/kartik-v/yii2-mpdf/assets/kv-mpdf-bootstrap.min.css',
// any css to be embedded if required
'cssInline' => '.kv-heading-1{font-size:18px}',
// set mPDF properties on the fly
'options' => ['title' => 'Print Payslip'],
// call mPDF methods on the fly
'methods' => [
'SetHeader'=>['Private and Confidential'],
'SetFooter'=>['This Payslip is computer generated.'],
],
'content' => $content,
]);
return $pdf->render();
//return $this->render('_printSalarystatement', ['s_period' => $s_period]);
}
And in your view do the following:
<?php
use yii\helpers\Html;
use yii\widgets\DetailView;
use yii\web\View;
/* #var $this yii\web\View */
/* #var $model frontend\modules\salary\models\Salary */
//#var $model yii\base\Model
//#var $totaldays any
//$this->title = $model->s_id;
//$this->period = $model->s_period;
$this->params['breadcrumbs'][] = ['label' => 'Salaries', 'url' => ['index']];
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="salary-view">
<h1><strong><p class="text-center">My Company</p></strong></h1>
<p class="text-center">Pay Slip for the month of <?php echo $model['s_period'];?> </p>
<?php
//Add these lines to see what you get in your $Model object
echo '<pre>'; print_r($model); echo '</pre>'; ?>
<?= DetailView::widget([
'model' => $model,
'attributes' => [
's_id',
's_date',
's_period',
's_empid',
's_empname',
's_workingdays',
's_leave',
's_holiday',
's_wageperday',
's_totalwage',
's_ovthour',
],
]) ?>