wp-bootstrap-tab-dynamic

//Create custom post and custom texonomy for categories; here custom post name gallery and cutom-texonomy name gallery-cat;
<div class="row">
      <!-- Nav tabs -->
      <ul class="nav nav-tabs" role="tablist">
        <?php
        $gallery_terms = get_categories( array(
            'taxonomy' => 'gallery-cat',
            'hide_empty' => false,
        ) );
         $all_gallery_post = array();
         $all_gallery_post_by_category = array();
         $is_active = true;
        foreach ($gallery_terms as $term_object):
            $post_object_arr_by_category_id = get_posts(
                array(
                    'showposts' => 6,
                    'post_type' => 'gallery',
                    'tax_query' => array(
                        array(
                            'taxonomy' => 'gallery-cat',
                            'field' => 'term_id',
                            'terms' => $term_object->term_id
                        )
                    )
                )
            );

            $all_gallery_post = array_merge($all_gallery_post, $post_object_arr_by_category_id);
            $all_gallery_post_by_category[$term_object->slug] = $post_object_arr_by_category_id;
            ?>
            <li role="presentation" class="<?php echo ( $is_active ) ?  'active' : ''; ?>">
                <a href="#gallery-<?php echo $term_object->slug; ?>" role="tab" data-toggle="tab"><?php echo $term_object->name; ?></a>
            </li>
            <?php $is_active = false; endforeach; ?>
      </ul>

      <!-- Tab panes -->
          <div class="tab-content">
            <?php foreach ($all_gallery_post_by_category as $gallery_slug => $post_object_arr): ?>
              <div role="tabpanel" class="tab-pane <?php echo ( ! $is_active ) ?  'active' : ''; ?>" id="gallery-<?php echo $gallery_slug; ?>">
                    <?php foreach ($post_object_arr as $post_object): ?>
                  <div class="col-sm-4 col-xs-6 col-xxs-12">
                      <div class="ic-single-g-item">
                        <?php echo get_the_post_thumbnail($post_object->ID, 'gallery-img'); ?>
                        <div class="ic-title-n-cat">
                          <h3><?php echo $post_object->post_title; ?></h3>
                          <!-- <span><?php //echo get_post_meta(get_the_ID(), 'gallery_sub_t', true); ?></span> -->
                        </div>
                      </div>
                  </div>
                    <?php endforeach; ?>
              </div>
            <?php $is_active = true; endforeach; ?>
          </div>
        </div>
//Custom post
  register_post_type( 'gallery',
    array(
      'labels' => array(
        'name' => __( 'Gallery' ),
        'singular_name' => __( 'gallery' ),
         'add_new_item' => __( 'Add new gallery item' )
      ),
      'public' => true,
      'rewrite'            => array( 'slug' => 'galleries' ),
      'menu_position' => 5,
      'supports' => array( 'title', '', 'thumbnail'),
      'has_archive' => true,
      )
  );
//Custom texonomy
     register_taxonomy(
          'gallery-cat',  //The name of the taxonomy. Name should be in slug form (must not contain capital letters or spaces).
          'gallery',                  //post type name
          array(
               'hierarchical'          => true,
               'label'                 => 'Gallery Category',  //Display name
               'query_var'             => true,
               'show_admin_column' => true,
               'rewrite'               => array(
                    'slug'              => 'gallery-category', // This controls the base slug that will display before each term
                    'with_front'      => true // Don't display the category base before
                    )
               )
     );