Get posts from Custom Post Type grouped by Custom Taxonomy

wp-get-cpt-posts-by-custom-tax.php

<?php
/**
 * Get posts from Custom Post Type grouped by Custom Taxonomy
 *
 * Gist Keywords: wordpress, custom post types, cpt, taxonomy
 * Author: Knol Aust
 * Version: 1.0.0
 * Description: This code retrieves posts from a custom post type and groups them by a custom taxonomy.
 */

// Setup variable array for terms in a custom taxonomy
$tax_group_terms = get_terms( array(
	'taxonomy' => '##taxonomy-name##', // Replace with your custom taxonomy name (e.g., members)
	// Additional sorting for array
	'order'		=> 'ASC',
	'orderby'	=> 'menu_order',
)	);

// Loop through terms in taxonomy
foreach ( $tax_group_terms as $tax_group_term ):
	// Setup arguments to query CPTs by terms
	$args = array(
		'post_type' => '##post-type-name##', // Replace with your custom post type name (e.g., member-types)
		// Additional parameters for sorting and output
		'order'		=> 'ASC',
		'orderby'	=> 'menu_order',
		'posts_per_page' => 1000,
		
		// Terms argument for the current term in the foreach loop
		'tax_query' => array(
			array(
				'taxonomy' => '##taxonomy-name##', // Replace with your custom taxonomy name (e.g., members)
				'field' => 'slug',
				'terms' => array( $tax_group_term->slug ),
				'operator' => 'IN'
			)
		)
	);
	// Query Custom Post Type (e.g., members) by the current taxonomy type (e.g., premium or standard)
	$cpt_group_query = new WP_Query($args);
	
	// If there are members in this type, output the section
	if ( $cpt_group_query->have_posts() ) :
		// Output the taxonomy term name
		echo $cpt_group_query->name;
		
		// Loop through custom posts matching the term and output
		while ( $cpt_group_query->have_posts() ) : $cpt_group_query->the_post();
			// Output details from post
			the_title();
			the_content();
		endwhile;
		
		// Reset query
		wp_reset_postdata();
	endif;
endforeach;