woocommerce_before_save_order_item │ action-hook │ WC 1.0

phpcs:disable WooCommerce.Commenting.CommentHooks.MissingHookComment

Usage

add_action( 'woocommerce_before_save_order_item', 'wp_kama_woocommerce_before_save_order_item_action' );

/**
 * Function for `woocommerce_before_save_order_item` action-hook.
 * 
 * @param  $item 
 *
 * @return void
 */
function wp_kama_woocommerce_before_save_order_item_action( $item ){

	// action...
}

$item

-

Where the hook is called

do_action( 'woocommerce_before_save_order_item', $item );

Where the hook is used in WooCommerce