zxcms/common/modules/pages/views/page/view.php

<?php

use yii\helpers\Html;

/* @var $this yii\web\View */
/* @var $page \common\modules\pages\entities\Page */

$this->title = $page->getSeoTitle();

$this->registerMetaTag(['name' => 'description', 'content' => $page->meta->description]);
$this->registerMetaTag(['name' => 'keywords', 'content' => $page->meta->keywords]);

foreach ($page->parents as $parent) {
    if (!$parent->isRoot()) {
        $this->params['breadcrumbs'][] = ['label' => $parent->title, 'url' => ['view', 'id' => $parent->id]];
    }
}
$this->params['breadcrumbs'][] = $page->title;
?>
<article class="page-view">

    <h1><?= Html::encode($page->title) ?></h1>
<!--
    < ?= preg_replace('/[?= (*.) ?]/m', '', Yii::$app->formatter->asHtml($page->content, [
        'Attr.AllowedRel' => array('nofollow'),
        'HTML.SafeObject' => true,
        'Output.FlashCompat' => true,
        'HTML.SafeIframe' => true,
        'URI.SafeIframeRegexp'=>'%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/)%',
    ])) ?> -->
	<?= preg_replace_callback('/\[\?= (.*) \?\]/gm', function ($m) {
		return $m[1];
	}, Yii::$app->formatter->asHtml($page->content, [
		'Attr.AllowedRel' => array('nofollow'),
		'HTML.SafeObject' => true,
		'Output.FlashCompat' => true,
		'HTML.SafeIframe' => true,
		'URI.SafeIframeRegexp'=>'%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/)%',
	])) ?>

</article>