how can i add categories like https://osclasspoint.com

regard

@Loma
Modified version already exists in veronika theme as function veronika_simple_category. You can check it, modify it and use it.

It show only in main categories

Please help me a code to add sub-categories

Osclass Point has been deeply modified to original theme, there is more than 2 months of development on it and copy its part is not something I can handle.

where I think veronika_simple_category

It show only in main categories

Please help me a code to add sub-categories

► Search.php:

        <div class="row">
          <h4><?php _e('• Tipo de publicación elegida', 'patricia') ; ?></h4>

          <div class="input-box">
            <?php
              $cat_id = Params::getParam('sCategory');
              $cat = array('pk_i_id' => $cat_id); 
            ?>
            <?php 
 $category = __get("category");
     if(!isset($category['pk_i_id']) ) {
         $category['pk_i_id'] = null;
     }
             ?>
            <i class="fa fa-search-plus">&nbsp;&nbsp;</i>
            <?php osc_categories_select('sCategory', $category, __('&nbsp;.&nbsp;&nbsp;BUSCAR EN TODAS', 'bender')) ; ?>
          </div>
        </div>