->all();
--------------------------------------------------------------------
use yii\widgets\LinkPager;
<section class="posts col-md-9">
foreach...
<div class="row text-center"><?php
echo LinkPager::widget(['pagination' => $pagination]);
?>
</div>
</section>
<aside class="hidden-xs hidden-sm col-md-3">
<?php
echo $this->render('/site/_sidebar');
?>
</aside>
--------------------------------------------------------------------
