post_class filter-hook . WC 1.0

Usage

add_filter( 'post_class', 'filter_function_name_6760', 10, 3 );
function filter_function_name_6760( $post_classes, $class, $product_id ){
	// filter...

	return $post_classes;
}

$post_classes

-

$class

-

$product_id

-

Where the hook is called

$post_classes = apply_filters( 'post_class', $post_classes, $class, $product->get_id() );

Where in WP core the hook is used WooCommerce

remove_filter( 'post_class', 'wc_product_post_class', 20 );

add_filter( 'post_class', 'wc_product_post_class', 20, 3 );

add_filter( 'post_class', 'wc_product_post_class', 20, 3 );