Append custom taxonomy to the product description with Marketpress

custom_taxonomy_product_content.php

<?php

add_filter( 'the_content', 'append_custom_taxonomy_to_product_content', '', 1);
function append_custom_taxonomy_to_product_content( $content ){


	if( get_post_type() == 'product' ){
	  
	  $taxonomySlug = 'brands';
	  
		$terms = get_the_terms( get_the_id(), $taxonomySlug );
		// var_dump( $terms );

		if( !empty( $terms ) ){

			$termNames = '';

			for( $i = 0; $i < count( $terms ) ; $i++ ){

				$currentProcessingTerm = $terms[$i];

				$termName = ucfirst( $currentProcessingTerm->name );

				// var_dump( $currentProcessingTerm );
				$termLink = get_term_link( $currentProcessingTerm->term_id, $taxonomySlug ); 

				if( is_wp_error( $termLink ) ){
					$termLink = '#';
				}

				$termNames .= '<a href="' . esc_url( $termLink ) . '">' . $termName . '</a>' . ( ( ( $i + 1 ) != count( $terms ) ) ? ', ' : '' );
			}

			$html ='';
			$html .= '
				<div class="custom-taxonomy '. $taxonomySlug .'">
					'. $termNames .'
				</div>
			';

			//apend generated html block for brands to title
			return $content . $html;
		}
	}

	return $content;
}