Woo – limit one course at a time in cart (product id 50697 / Fundamentals Private Networks)
// WC – limit one course at a time (id 45639 / Fundamentals Private Networks) add_filter( ‘woocommerce_add_to_cart_validation’, ‘wc_limit_one_45639_per_order’, 10, 2 ); function wc_limit_one_45639_per_order( $passed_validation, $product_id ) { if ( 45639 !== $product_id ) { return $passed_validation; } if ( WC()->cart->get_cart_contents_count()…Continue reading