WordPress at a glance
filter is not described

(hook_prefix)sku filter-hook . WC 1.0

Inherit value from parent.

Usage

add_filter( '(hook_prefix)sku', 'filter_function_name_6639', 10, 2 );
function filter_function_name_6639( $parent_data_sku, $that ){
	// filter...

	return $parent_data_sku;
}
$parent_data_sku
-
$that
-

Where the hook is called

WC_Product_Variation::get_sku()
(hook_prefix)sku
woocommerce/includes/class-wc-product-variation.php 217
$value = apply_filters( $this->get_hook_prefix() . 'sku', $this->parent_data['sku'], $this );

Where in WP core the hook is used WooCommerce

Usage not found.