Add brand name above product title in archive pages

functions.php

<?php

// Gets the name of the brand
function output_brand() {

$terms = get_the_terms( $post->ID , 'brand' );
	if ( empty($terms) == false ) {
		foreach ( $terms as $term ) {
			return $term->name;
		}
	} else return null;
}

// Adds brand name of product above title in archive pages 
add_action( 'woocommerce_before_shop_loop_item_title', 'brand_in_title' );
function brand_in_title() {
	echo '<h3 class="brand">' . output_brand() . '</h3>';
}

?>