Listen Sie Kategorien nach Begriffen der zweiten Taxonomie auf: Taxonomiearchive

/*
Theme Name:     WPTutsPlus Create a Taxonomy Archive to List Posts by a Second Taxonomy's Terms
Theme URI:      https://rachelmccollin.co.uk/wptutsplus-taxonomy-archive-list-by-second-taxonomy/
Description:    Theme to support WPTutsPlus tutorial on creating a custom taxonomy archive. Child theme for the Twenty Fourteen theme.
Author:         Rachel McCollin
Author URI:     http://rachelmccollin.co.uk/
Template:       twentyfourteen
Version:        1.0
*/

@import url("../twentyfourteen/style.css");

<?php
// register a custom post type called 'animals'
function wptp_create_post_type() {
    $labels = array( 
		'name' => __( 'Animals' ),
		'singular_name' => __( 'animal' ),
		'add_new' => __( 'New animal' ),
		'add_new_item' => __( 'Add New animal' ),
		'edit_item' => __( 'Edit animal' ),
		'new_item' => __( 'New animal' ),
		'view_item' => __( 'View animal' ),
		'search_items' => __( 'Search animals' ),
		'not_found' =>  __( 'No animals Found' ),
		'not_found_in_trash' => __( 'No animals found in Trash' ),
	);
	$args = array(
		'labels' => $labels,
		'has_archive' => true,
		'public' => true,
		'hierarchical' => false,
		'supports' => array(
			'title', 
			'editor', 
			'excerpt', 
			'custom-fields', 
			'thumbnail',
			'page-attributes'
		),
		'taxonomies' => array( 'post_tag', 'category'), 
	);
	register_post_type( 'animal', $args );
} 
add_action( 'init', 'wptp_create_post_type' );
?>

<?php
// register taxonomies
function wptp_register_taxonomies() {
    
	// register a taxonomy called 'Animal Family'
	register_taxonomy( 'animal_cat', 'animal',
		array(
			'labels' => array(
				'name'              => 'Animal Families',
				'singular_name'     => 'Animal Family',
				'search_items'      => 'Search Animal Families',
				'all_items'         => 'All Animal Families',
				'edit_item'         => 'Edit Animal Families',
				'update_item'       => 'Update Animal Family',
				'add_new_item'      => 'Add New Animal Family',
				'new_item_name'     => 'New Animal Family Name',
				'menu_name'         => 'Animal Family',
			),
			'hierarchical' => true,
			'sort' => true,
			'args' => array( 'orderby' => 'term_order' ),
			'rewrite' => array( 'slug' => 'animal-family' ),
			'show_admin_column' => true
		)
	);
	
	// register a taxonomy called 'Habitat'
	register_taxonomy( 'habitat', 'animal',
		array(
			'labels' => array(
				'name'              => 'Habitats',
				'singular_name'     => 'Habitat',
				'search_items'      => 'Search Habitats',
				'all_items'         => 'All Habitats',
				'edit_item'         => 'Edit Habitat',
				'update_item'       => 'Update Habitat',
				'add_new_item'      => 'Add New Habitat',
				'new_item_name'     => 'New Habitat Name',
				'menu_name'         => 'Habitat',
			),
			'hierarchical' => true,
			'sort' => true,
			'args' => array( 'orderby' => 'term_order' ),
			'show_admin_column' => true
		)
	);
}
add_action( 'init', 'wptp_register_taxonomies' );
?>

<?php
/*
WpTutsPlus tutorial for creating archive to display posts by mutiple taxonomy terms
Archive template for animal_cat taxonomy
*/
?>

<?php get_header(); ?>

    <div id="main-content" class="main-content">

	<div id="primary" class="content-area">
		<div id="content" class="site-content" role="main">

			
		</div><!-- #content -->
	</div><!-- #primary -->
	<?php get_sidebar( 'content' ); ?>
</div><!-- #main-content -->

<?php
get_sidebar();
get_footer();

<?php
// get the currently queried taxonomy term, for use later in the template file
$animalcat = get_queried_object();
?>

<header class="archive-header">
    <h1 class="archive-title">
		<?php echo $animalcat->name; ?>
	</h1>
</header><!-- .archive-header -->

<?php //start by fetching the terms for the animal_cat taxonomy
$terms = get_terms( 'habitat', array(
    'hide_empty' => 0
) );
?>

<?php
// now run a query for each animal family
foreach ( $terms as $term ) {

    // Define the query
	$args = array(
		'post_type' => 'animal',
		'animal_cat' => $animalcat->slug,
		'habitat' => $term->slug
	);
	$query = new WP_Query( $args );
			
	// output the term name in a heading tag				
	echo'<h2>' . $term->name . ' habitat</h2>';
	
	// output the post titles in a list
	echo '<ul>';
	
		// Start the Loop
		while ( $query->have_posts() ) : $query->the_post(); ?>

		<li class="animal-listing" id="post-<?php the_ID(); ?>">
			<a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
		</li>
		
		<?php endwhile;
	
	echo '</ul>';
	
	// use reset postdata to restore orginal query
	wp_reset_postdata();

} ?>

if ( $query->have_posts() ) {

}

if ( $query->have_posts() ) {
    
	// output the term name in a heading tag				
	echo'<h2>' . $term->name . ' habitat</h2>';
	
	// output the post titles in a list
	echo '<ul>';
	
		// Start the Loop
		while ( $query->have_posts() ) : $query->the_post(); ?>

		<li class="animal-listing" id="post-<?php the_ID(); ?>">
			<a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
		</li>
		
		<?php endwhile;
	
	echo '</ul>';
}

<?php
/*
WpTutsPlus tutorial for creating archive to display posts by mutiple taxonomy terms
Archive template for habitat taxonomy
*/
?>

<?php get_header(); ?>

<?php
// get the currently queried taxonomy term, for use later in the template file
$habitat = get_queried_object();
?>

    <div id="main-content" class="main-content">

	<div id="primary" class="content-area">
		<div id="content" class="site-content" role="main">

<header class="archive-header">
	<h1 class="archive-title">
		Habitat - <?php echo $habitat->name; ?>
	</h1>
</header><!-- .archive-header -->

<?php //start by fetching the terms for the animal_cat taxonomy
$terms = get_terms( 'animal_cat', array(
	'hide_empty' => 0
) );
?>

<?php
// now run a query for each animal family
foreach( $terms as $term ) {

	// Define the query
	$args = array(
		'post_type' => 'animal',
		'animal_cat' => $term->slug,
		'habitat' => $habitat->slug
	);
	$query = new WP_Query( $args );
	
	if( $query->have_posts() ) {
		
		// output the term name in a heading tag				
		echo'<h2>' . $term->name . ' family</h2>';
		
		// output the post titles in a list
		echo '<ul>';
		
			// Start the Loop
			while ( $query->have_posts() ) : $query->the_post(); ?>
	
			<li class="animal-listing" id="post-<?php the_ID(); ?>">
				<a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
			</li>
			
			<?php endwhile;
		
		echo '</ul>';
	}
			
	
	
	// use reset postdata to restore orginal query
	wp_reset_postdata();

} ?>
			
		</div><!-- #content -->
	</div><!-- #primary -->
	<?php get_sidebar( 'content' ); ?>
</div><!-- #main-content -->

<?php
get_sidebar();
get_footer();