WordPress at a glance
filter is not described

woocommerce_order_again_cart_item_data filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_order_again_cart_item_data', 'filter_function_name_2349', 10, 3 );
function filter_function_name_2349( $array, $item, $order ){
	// filter...

	return $array;
}
$array
-
$item
-
$order
-

Where the hook is called

WC_Cart_Session::populate_cart_from_order()
woocommerce_order_again_cart_item_data
woocommerce/includes/class-wc-cart-session.php 352
$cart_item_data = apply_filters( 'woocommerce_order_again_cart_item_data', array(), $item, $order );

Where in WP core the hook is used WooCommerce

Usage not found.