WordPress at a glance
filter is not described

woocommerce_get_product_id_by_sku filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_get_product_id_by_sku', 'filter_function_name_559', 10, 2 );
function filter_function_name_559( $id, $sku ){
	// filter...

	return $id;
}
$id
-
$sku
-

Where the hook is called

WC_Product_Data_Store_CPT::get_product_id_by_sku()
woocommerce_get_product_id_by_sku
woocommerce/includes/data-stores/class-wc-product-data-store-cpt.php 1030
return (int) apply_filters( 'woocommerce_get_product_id_by_sku', $id, $sku );

Where in WP core the hook is used WooCommerce

Usage not found.