Lemonstand - Minimize memory when using products

file.php

<?php
$grouped_product = new Shop_Product(null, array('no_validation' => true, 'no_column_init' => true, 'no_timestamps' => true));

$data = $_POST['Shop_Product'];
$data['grouped'] = 1;
$data['name'] = $product->name . ' ('.$attributes->name.')';
$data['url_name'] .= '_'.uniqid('', true);
$data['sku'] .= '-' . strtolower($attributes->sku.uniqid('', true));
$data['grouped_option_desc'] = $attributes->name;
$data['x_aga_ids'] = join(':', $ids);
$data['product_id'] = $product->id;

$grouped_product->save($data, $controller->formGetEditSessionKey());

unset($grouped_product);
unset($attributes);
gc_collect_cycles();