if ($product['mail_deliver_enabled'] === MAIL_DELIVER_ENABLED) 

public function checkMailDeliverAvailable($productTypeId, &$objCartSession) 
{

$available = false;

// カート内の情報を取得
$items = $objCartSession->getCartList($productTypeId);
if (count(array_keys($items))) {
$available = true;
foreach (array_keys($items) as $key) {
$item = & $items[$key];
$product = & $item['productsClass'];
if ($product['mail_deliver_enabled'] === MAIL_DELIVER_ENABLED) {
continue;
} else {
$available = false;
}
}
}
return $available;
}

    public function adjustSessionProductsClass(&$arrProductsClass)
    {
        $arrNecessaryItems = array(
            'product_id'          => true,
            'product_class_id'    => true,
            'name'                => true,
            'price02'             => true,
            'point_rate'          => true,
            'main_list_image'     => true,
            'main_image'          => true,
            'product_code'        => true,
            'stock'               => true,
            'stock_unlimited'     => true,
            'sale_limit'          => true,
            'class_name1'         => true,
            'classcategory_name1' => true,
            'class_name2'         => true,
            'classcategory_name2' => true,
            'mail_deliver_enabled'=> true,
        );

        // 必要な項目以外を削除。
        foreach ($arrProductsClass as $key => $value) {
            if (!isset($arrNecessaryItems[$key])) {
                unset($arrProductsClass[$key]);
            }
        }
    }

            'mail_deliver_enabled'=> true,

        <tr>
            <th>メール便対応</th>
            <td>
                <label>
                <input type="checkbox" name="mail_deliver_enabled" value="1" <!--{if $arrForm.mail_deliver_enabled == $smarty.const.MAIL_DELIVER_ENABLED}-->checked<!--{/if}--> onclick="fnCheckStockLimit('<!--{$smarty.const.DISABLED_RGB}-->');"/>
                </label>
            </td>
        </tr>

            <tr>
                <th>メール便対応</th>
                <td>
                    <!--{if $arrForm.mail_deliver_enabled == 1}-->○<!--{else}-->×<!--{/if}-->
                </td>
            </tr>

<!--{if $arrProduct.price02_min|sfCalcIncTax:$arrSiteInfo.tax:$arrSiteInfo.tax_rule >= $free_rule}-->
	<div class="deliv_explain">送料無料</div>
<!--{else}-->
<!--{if $arrProduct.mail_deliver_enabled == $smarty.const.MAIL_DELIVER_ENABLED}-->
	<div class="deliv_explain">メール便対象品です（送料無料）</div>
<!--{else}-->
<!--{/if}-->
<!--{/if}-->

                <!--▼商品ステータス-->
                <!--{assign var=ps value=$productStatus[$tpl_product_id]}-->
                <!--{if count($ps) > 0}-->
                    <ul class="status_icon clearfix">
                        <!--{foreach from=$ps item=status}-->
                        <li>
                            <!--{if $arrProduct.mail_deliver_enabled == $smarty.const.MAIL_DELIVER_ENABLED}-->
                            <img src="<!--{$TPL_URLPATH}-->/img/icon/icon_yamato_mailbin.gif" alt="メール便アイコン" />
                            <!--{/if}-->
                            <img src="<!--{$TPL_URLPATH}--><!--{$arrSTATUS_IMAGE[$status]}-->" width="80" height="17" alt="<!--{$arrSTATUS[$status]}-->" id="icon<!--{$status}-->" />
                        </li>
                        <!--{/foreach}-->
                    </ul>
                <!--{/if}-->
                <!--▲商品ステータス-->

        $this->arrInfo = SC_Helper_DB_Ex::sfGetBasisData();
        $totalIncTax = 0;
        foreach ($this->cartKeys as $key) {
            // カート集計処理
            $this->tpl_message .= $objCartSess->checkProducts($key);
            $this->tpl_total_inctax[$key] = $objCartSess->getAllProductsTotal($key);
            $totalIncTax += $this->tpl_total_inctax[$key];
            $this->tpl_total_tax[$key] = $objCartSess->getAllProductsTax($key);
            // ポイント合計
            $this->tpl_total_point[$key] = $objCartSess->getAllProductsPoint($key);

            $this->arrData[$key] = $objCartSess->calculate($key, $objCustomer);

            // 送料無料チェック
            $this->arrData[$key]['is_deliv_free'] = $objCartSess->isDelivFree($key);
            $this->arrData[$key]['mail_deliv_available'] = $objPurchase->checkMailDeliverAvailable($key, $objCartSess);

            // 送料無料までの金額を計算
            $this->tpl_deliv_free[$key] = $this->arrInfo['free_rule'] - $this->tpl_total_inctax[$key];
        }

<!--{if count($cartKeys) > 1}-->
<h4></h4>

  <!--{$arrProductType[$key]}-->:

  <!--{if $arrInfo.free_rule > 0}-->
    <!--{if !$arrData[$key].is_deliv_free}-->
      <!--{if $arrData[$key].mail_deliv_available}-->
<div>※※　1-1メール便のご指定なら送料無料　※※</div>
      <!--{else}-->
<div>※※　1-2指定金額を越えてない時　※※</div>
<div class="cart_deliv_fee_message">あと「<span class="price"><!--{$tpl_deliv_free[$key]|number_format}-->円</span>」で送料無料です！！</div>
      <!--{/if}-->
    <!--{else}-->
<div>※※　1-3指定金額以上で送料無料　※※</div>
    <!--{/if}-->
  <!--{/if}-->

<!--{else}-->

  <!--{if $arrInfo.free_rule > 0}-->
    <!--{if !$arrData[$key].is_deliv_free}-->
      <!--{if $arrData[$key].mail_deliv_available}-->

<div>※※　2-1メール便のご指定なら送料無料　※※<br />
※代金引換ではメール便はご利用いただけません</div>
      <!--{else}-->
<div>※※　2-2指定金額を越えてない時　※※</div>
<div class="cart_deliv_fee_message">あと「<span class="price"><!--{$tpl_deliv_free[$key]|number_format}-->円</span>」で送料無料です！！</div>
      <!--{/if}-->
    <!--{else}-->
<div>※※　2-3指定金額以上で送料無料　※※</div>
    <!--{/if}-->
  <!--{/if}-->

<!--{/if}-->

	
public function checkMailDeliverAvailable($productTypeId, &$objCartSession) 
{
	
	$available = false;
	
	// カート内の情報を取得
	$items = $objCartSession->getCartList($productTypeId);
	if (count(array_keys($items))) {
		$available = true;
		foreach (array_keys($items) as $key) {
			$item = & $items[$key];
			$product = & $item['productsClass'];
			if ($product['mail_deliver_enabled'] === MAIL_DELIVER_ENABLED) {
				continue;
			} else {
				$available = false;
			}
		}
	}
	return $available;
}

	
public function checkMailDeliverAvailable($productTypeId, &$objCartSession) 
{
	
	$available = false;
	
	// カート内の情報を取得
	$items = $objCartSession->getCartList($productTypeId);
	if (count(array_keys($items))) {
		$available = true;
		foreach (array_keys($items) as $key) {
			$item = & $items[$key];
			$product = & $item['productsClass'];
			
			echo $product['mail_deliver_enabled']." === ".MAIL_DELIVER_ENABLED."<BR>";
			
			if ($product['mail_deliver_enabled'] === MAIL_DELIVER_ENABLED) {
				echo $product['product_id']."<BR>";
				echo "mail_deliver true<BR>";
				continue;
			} else {
				echo $product['product_id']."<BR>";
				echo "mail_deliver false<BR>";
				$available = false;
			}
		}
	}
	return $available;
}