wc_product_pre_has_unique_sku │ filter-hook │ WC 9.0.0

Gives plugins an opportunity to verify SKU uniqueness themselves.

Usage

add_filter( 'wc_product_pre_has_unique_sku', 'wp_kama_wc_product_pre_has_unique_sku_filter', 10, 3 );

/**
 * Function for `wc_product_pre_has_unique_sku` filter-hook.
 * 
 * @param bool|null $has_unique_sku Set to a boolean value to short-circuit the default SKU check.
 * @param int       $product_id     The ID of the current product.
 * @param string    $sku            The SKU to check for uniqueness.
 *
 * @return bool|null
 */
function wp_kama_wc_product_pre_has_unique_sku_filter( $has_unique_sku, $product_id, $sku ){

	// filter...
	return $has_unique_sku;
}

$has_unique_sku(true|false|null)

Set to a boolean value to short-circuit the default SKU check.

$product_id(int)

The ID of the current product.

$sku(string)

The SKU to check for uniqueness.

Changelog

Where the hook is called

$has_unique_sku = apply_filters( 'wc_product_pre_has_unique_sku', null, $product_id, $sku );

Where the hook is used in WooCommerce