<?php
if (!defined('ABSPATH')) {
exit;
}
global $post, $product;
if ($product->is_on_sale()) {
?>
<?php
echo apply_filters('woocommerce_sale_flash', '<span class="onsale">' . esc_html__('Sale!', 'woocommerce') . '</span>', $post, $product);
?>
<?php
}