display products for a specific taxonomy term

taxonomy-products.php

				<?php $term_title = single_term_title('', 0); ?>
				<?php echo '<h2 class="block-title">' . $term_title . '</h2>'; ?>
				<?php $description = term_description();
					echo $description; ?>
				<?php $term_slug = get_queried_object()->slug;
					        if ( !$term_slug )
					        return;
					        else
					$args = array(
					    'tax_query' => array(
					                     array(
					                       'taxonomy' => 'products',
					                       'field' => 'slug',
					                       'terms' => $term_slug,
					                       'posts_per_page' => 4
					                     )
					                   )
					);
					$loop = new WP_Query( $args ); ?>
					<ul>
						<?php while ( $loop->have_posts() ) : $loop->the_post(); ?>
							<li>
								<article <?php post_class(); ?>>
									<div class="entry-content">

										<?php $product_price = get_field('product_price') //acf ?>

										<?php if ( has_post_thumbnail()) { ?>
										<a href="<?php echo the_permalink();?>" title="<?php echo the_title(); ?>">
											<?php the_post_thumbnail('thumbnail', array( 'class' =>' img-responsive product-img ' )); ?>
										</a>
										<?php } ?> 

										<a href="<?php echo the_permalink();?>" title="<?php echo the_title(); ?>">
											<h4 class="entry-title"><?php the_title(); ?></h4>
										</a>

										<a href="<?php echo the_permalink();?>"  title="<?php echo the_title(); ?>" class="btn btn-default price-btn">
											$ <?php echo $product_price; ?>.00
										</a>

									</div>
								</article>
							</li>
						<?php endwhile; // End the loop. ?> 
					</ul>