woocommerce_duplicate_product_exclude_meta filter-hook . WC 2.6

Filter to allow us to exclude meta keys from product duplication..

Usage

add_filter( 'woocommerce_duplicate_product_exclude_meta', 'filter_function_name_1972', 10, 2 );
function filter_function_name_1972( $exclude_meta, $existing_meta_keys ){
	// filter...

	return $exclude_meta;
}

$exclude_meta(array)

The keys to exclude from the duplicate.

$existing_meta_keys(array)

The meta keys that the product already has.

Changelog

Where the hook is called

apply_filters(
	'woocommerce_duplicate_product_exclude_meta',
	array(),
	array_map(
		function ( $datum ) {
			return $datum->key;
		},
		$product->get_meta_data()
	)
)

Where in WP core the hook is used WooCommerce