问PHP中的多个foreach语句

EN

     if (!empty($data['data'])) {

        // Set vars
        $products = array();
        $output = '';

        // Cart Values
        $cartValues = $data['data'];
        $output .= $modx->getChunk($cartTpl, $cartValues);

        // Product Values
        foreach($data['data']['products'] as $item) {
         foreach($item as $key => $value) {
            $products[$key] = $value;
        }

        $listProducts .= $modx->getChunk($productsTpl, $products);
        $output = str_replace('[[+products]]', $listProducts, $output);

        // Total Values
        foreach($data['data']['totals'] as $total) {
         foreach($total as $key => $value) {
            $totals[$key] = $value;
        }

        $listTotals .= $modx->getChunk($totalsTpl, $totals);
        $output = str_replace('[[+totals]]', $listTotals, $output);

    }