WP - WOO | wp_query loop alphabetically sorted list with first letter before each

wp_query_order_alphabetically_display_letter_woocommerce_wordpress.php

// Originally used inside /woocommerce/ folder in my child theme to display a product_category terms list.
// Displays terms separated by first letter and before each series inserts the main letter, like a index.
// Settings order by title, only showing child subcategories of those terms that have posts assigned.
// Place in your page-template.php and customise the arguments to fit your needs.

			$args = array(	
					  'taxonomy' => 'product_cat',
					  'hide_empty' => true,
					  'posts_per_page' => 300,
				          'parent' => 77, 
				 	  'orderby' => 'title',
				);

				$something-semantic = get_terms($args);

				foreach($something-semantic as $something-semantic) {
				    $d_name = $something-semantic->name;

				    if (($d_name[0] !== $prev_letter2) && ($d_name[0] !== $prev_letter) && ( !is_null($prev_letter))) {
				    	echo '</ul></div>';
				    }

				    if ($d_name[0] !== $prev_letter) {
				    	echo '<div class="main-letter-title"><h2>' . $d_name[0] . "</h2>";
				    	$prev_letter2 = $prev_letter;
				    	$prev_letter = $d_name[0];
				    	echo '<ul class="terms-list">';
				    }

				    echo '<li class="term-item"><a href="' . esc_url( get_term_link( $something-semantic ) ) . '" alt="' . esc_attr( sprintf( __( 'View all post filed under %s', 'my_localization_domain' ), $d_name ) ) . '">' . $d_name . '</a></li>';

				    $d_index++;
				}

				echo '</ul></div>';