dwqa_select_tags.php

/*-----------------------------------------------------------------------------------*/
/*  Question Actions
/*-----------------------------------------------------------------------------------*/
add_filter('dwqa_filter_bar','custom_dwqa_question_filter');
function custom_dwqa_question_filter( $tag_field ) { 
  ob_start();
  ?>
  <div class="filter-by-tags select">
    <?php 
        $selected = get_query_var( 'dwqa-question_tag');
        if( ! $selected ) {
          $question_tag_rewrite = get_option( 'dwqa-question-tag-rewrite', 'question-tag' );
          $question_tag_rewrite = $question_tag_rewrite ? $question_tag_rewrite : 'question-tag';
          $selected =  isset($_GET[$question_tag_rewrite]) ? $_GET[$question_tag_rewrite] : 'all'; 
        }
        $selected_label = __('Select a Tag','dwqa');
        if( $selected != 'all' ) {
            $field = is_numeric($selected) ? 'id' : 'slug' ;
            $selected_term = get_term_by( $field, $selected, 'dwqa-question_tag' );
            $selected_label = $selected_term->name;
        }
    ?>
    <span class="current-select"><?php echo $selected_label; ?></span>
    <ul id="dwqa-filter-by-tags" class="category-list" data-selected="<?php echo $selected_term->term_id; ?>">
    <?php  
        //$exclude_FAQ = get_term_by( 'name', 'FAQ', 'dwqa-question_tag' );
        $exclude_id = '';
        // if( $exclude_FAQ ) {
        //     $exclude_id = $exclude_FAQ->term_id;
        // }
  
        wp_list_categories( array(
            'show_option_all'   =>  __('All','dwqa'),
            'show_option_none'  => __('Empty','dwqa'),
            'orderby'           => 'count',
            'order'             => 'DESC',
            'taxonomy'          => 'dwqa-question_tag',
            'hide_empty'        => 0,
            'show_count'        => 0,
            'title_li'          => '',
            'hierarchical'      => 0,
            'exclude'           => $exclude_id,
            'walker'            => new Walker_Category_DWQA()
        ) );
    ?>  
    </ul>
  </div>
  <?php 
  $tag_field = ob_get_contents();
  ob_end_clean();
  return $tag_field;
}