wc_product_has_unique_sku │ filter-hook │ WC 1.0

Usage

add_filter( 'wc_product_has_unique_sku', 'wp_kama_wc_product_has_unique_sku_filter', 10, 3 );

/**
 * Function for `wc_product_has_unique_sku` filter-hook.
 * 
 * @param  $sku_found  
 * @param  $product_id 
 * @param  $sku        
 *
 * @return 
 */
function wp_kama_wc_product_has_unique_sku_filter( $sku_found, $product_id, $sku ){

	// filter...
	return $sku_found;
}

$sku_found

-

$product_id

-

$sku

-

Where the hook is called

if ( apply_filters( 'wc_product_has_unique_sku', $sku_found, $product_id, $sku ) ) {

Where the hook is used in WooCommerce