KingMatrix1989

<?php

// get plan restriction rules if we have an ID, could be used in member area for example
$plan = wc_memberships_get_membership_plan( $plan_id );
$product_rules = $plan->get_product_restriction_rules();

foreach ( $product_rules as $rule ) {
	
	// get the ids of restricted items from the rules
	$restricted_items = $rule->get_object_ids();