WordPress at a glance
filter is not described

woocommerce_product_price_class filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_product_price_class', 'filter_function_name_4272' );
function filter_function_name_4272( $string ){
	// filter...

	return $string;
}
$string
-

Where the hook is called

In file: /templates/single-product/price.php
woocommerce_product_price_class
woocommerce/templates/single-product/price.php 25
<p class="<?php echo esc_attr( apply_filters( 'woocommerce_product_price_class', 'price' ) ); ?>"><?php echo $product->get_price_html(); ?></p>

Where in WP core the hook is used WooCommerce

Usage not found.