Сергей Анисимов

<input type="hidden" name="l" value="'.$order_id.'">

<input type="hidden" name="l" value="<?php echo $order_id ?>">

$rows = Yii::$app->db->createCommand('
SELECT node.id, node.name, node.level
FROM ns_tree AS node, ns_tree AS parent
WHERE node.lft BETWEEN parent.lft AND parent.rgt AND parent.id = 2
ORDER BY node.lft
')->queryAll();

return $this->render('index', $vars, ['dataProvider' => $dataProvider]);

$this->layout = 'page';

$user = User::find()->where(['username' => $_GET['username']])->one();
if ($user === null) {
     throw new NotFoundHttpException();
}

$setting = UserSettingHelper::get($user);
        
$dataProvider = (new TicketHead())->dataProviderUser();
       
Url::remember();

return $this->render('index', [
    'user' => $user,
    'setting' => $setting,
    'dataProvider' => $dataProvider
]);

$displayA = $displayB = $displayC = false;

foreach ($res as $row) {
    if ($displayA && $displayB && $displayC) {
        break;
    }
    if ($row['a'] > 0) {
        $displayA = true;
    }
    if ($row['b'] > 0) {
        $displayB = true;
    }
    if ($row['c'] > 0) {
        $displayC = true;
    }
}

echo '<table class="table" style="max-width: 100%; min-width: 75%;"><thead><tr><td>Наименование</td>';
if ($displayA) {
    echo '<td>A</td>';
}
if ($displayB) {
    echo '<td>B</td>';
}
if ($displayC) {
    echo '<td>C</td>';
}
echo '<td>Цена</td></thead><tbody>';

foreach ($res as $row) {
    echo '<tr>';
    echo '<td>' . $row['item-name'] . '</td>';
    if ($displayA) {
        echo '<td>' . $row['a'] . '</td>';
    }
    if ($displayB) {
        echo '<td>' . $row['b'] . '</td>';
    }
    if ($displayC) {
        echo '<td>' . $row['c'] . '</td>';
    }
    echo '<td>' . $row['price-rozn'] . '</td>';
    echo '<tr>';
}

Pjax::begin([
    'enablePushState' => false,
    'timeout' => false // or time in ms
])