Answers for "get custom taxonomy terms query"

show all terms of a custom taxonomy

$terms = get_terms( array(
  'taxonomy' => 'taxonomy_name_or_slug',
  'hide_empty' => true,
) );
foreach ($terms as $term){
  echo $term->slug;
  echo $term->name;
  echo "<br><br>";
}

get posts by custom taxonomy wp_query

$the_query = new WP_Query( array(
    'post_type' => 'Adverts',
    'tax_query' => array(
        array (
            'taxonomy' => 'advert_tag',
            'field' => 'slug',
            'terms' => 'politics',
        )
    ),
) );

while ( $the_query->have_posts() ) :
    $the_query->the_post();
    // Show Posts ...
endwhile;

/* Restore original Post Data 
 * NB: Because we are using new WP_Query we aren't stomping on the 
 * original $wp_query and it does not need to be reset.
*/
wp_reset_postdata();