WordPress at a glance
function is not described

wc_get_order_item_meta() WC 1.0

WooCommerce Order Item Meta API - Get term meta.

No Hooks.

Return

Mixed. Nothing.

Usage

wc_get_order_item_meta( $item_id, $key, $single );
$item_id(int) (required)
Item ID.
$key(string) (required)
Meta key.
$single(true|false)
Whether to return a single value. (default: true).

Code of wc_get_order_item_meta() WC 5.3.0

<?php
function wc_get_order_item_meta( $item_id, $key, $single = true ) {
	$data_store = WC_Data_Store::load( 'order-item' );
	return $data_store->get_metadata( $item_id, $key, $single );
}