_tabDate.php

<?php

use frontend\assets\DatePickerAsset;
use yii\helpers\Html;
use yii\bootstrap\ActiveForm;

/* @var $this yii\web\View */
/* @var $model \frontend\models\forms\ReportForm */
/* @var $form ActiveForm */
/* @var $customers array of customers */

DatePickerAsset::register($this);
$this->registerJs('
            // Datepicker
            $(\'.date\').datepicker({
                todayBtn           : \'linked\',
                keyboardNavigation : false,
                forceParse         : false,
                autoclose          : true,
                format             : \'mm/dd/yyyy\',
                todayHighlight     : true,
            });');
?>

<?php $form = ActiveForm::begin(); ?>

    <p>
        Choose the date range below.
        We will generate a CSV file for you after clicking export.
    </p>

    <?= Html::hiddenInput('scenario', \frontend\models\forms\ReportForm::SCENARIO_BY_DATE) ?>

    <?= $form->field($model, 'start_date', [
        'inputTemplate' =>
            '<div class="input-group date"><span class="input-group-addon"><span class="glyphicon glyphicon-calendar"></span></span>{input}</div>',
        'inputOptions' => ['autocomplete' => 'off']
    ])->textInput([
        'value' => (isset($model->start_date)) ? Yii::$app->formatter->asDate($model->start_date) : '',
    ]); ?>
    <?= $form->field($model, 'end_date', [
        'inputTemplate' =>
            '<div class="input-group date"><span class="input-group-addon"><span class="glyphicon glyphicon-calendar"></span></span>{input}</div>',
        'inputOptions' => ['autocomplete' => 'off']
    ])->textInput([
        'value' => (isset($model->end_date)) ? Yii::$app->formatter->asDate($model->end_date) : '',
    ]); ?>
    <?php echo $form->field($model, 'customer')->dropdownList($customers, ['prompt' => ' Please select']); ?>

    <?php echo $form->field($model, 'items')->checkbox(['id' => 'include_items_date'])->label('Include items in report?'); ?>

    <div class="form-group">
        <?= Html::submitButton('Export', ['class' => 'btn btn-primary']) ?>
    </div>

<?php ActiveForm::end(); ?>