<?php declare(strict_types=1); ?>

<!-- Select filters should be assigned to template variable $selectFilters -->
<?php if(isset($selectFilters)): ?>
<form class="form-horizontal" name="selectFilters" action="<?php echo $selectAction; ?>" method="get">
  <div class="row">
    <div class="col">
      <?php echo $selectFilters; ?>
    </div>
  </div>
</form>
<?php endif; ?>