woocommerce_admin_order_preview_line_item_columns │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_admin_order_preview_line_item_columns', 'wp_kama_woocommerce_admin_order_preview_line_item_columns_filter', 10, 2 );

/**
 * Function for `woocommerce_admin_order_preview_line_item_columns` filter-hook.
 * 
 * @param  $array 
 * @param  $order 
 *
 * @return 
 */
function wp_kama_woocommerce_admin_order_preview_line_item_columns_filter( $array, $order ){

	// filter...
	return $array;
}

$array

-

$order

-

Where the hook is called

$columns    = apply_filters(
	'woocommerce_admin_order_preview_line_item_columns',
	array(
		'product'  => __( 'Product', 'woocommerce' ),
		'quantity' => __( 'Quantity', 'woocommerce' ),
		'tax'      => __( 'Tax', 'woocommerce' ),
		'total'    => __( 'Total', 'woocommerce' ),
	),
	$order
);

Where the hook is used in WooCommerce