WordPress at a glance
filter is not described

woocommerce_product_file filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_product_file', 'filter_function_name_8401', 10, 3 );
function filter_function_name_8401( $file, $that, $download_id ){
	// filter...

	return $file;
}
$file
-
$that
-
$download_id
-

Where the hook is called

WC_Product::get_file()
woocommerce_product_file
woocommerce/includes/abstracts/abstract-wc-product.php 1976
return apply_filters( 'woocommerce_product_file', $file, $this, $download_id );

Where in WP core the hook is used WooCommerce

Usage not found.