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嗨，我有一个会话 $_SESSION['pdf_quote'] 当我查看会话中的所有值时，我得到了正确的所有结果，但是我有一个值显示 The value of $_SESSION['product_arr']is 'Array' 我试图打印该数组的值但我得到的只是一个空白页......

 foreach($_SESSION['pdf_quote']['product_arr'] as $key=>$value)
 {
    // and print out the values
     echo 'The value of $_SESSION['."'".$key."'".'] is '."'".$value."'".' <br />';
 }

我已经尝试了一切来尝试访问数组中的数据，但对于我的生活，我无法弄清楚。

print_r 显示

Array ( 
 [FoodDelivery] => Array ( 
    [FDelivery_Order] => Array ( ) 
    [FDelivery_Captcha] =>     EAHVZS) 
 [pdf_quote] => Array ( 
   [id] => 42 
   [location_id] => 3 
   [type] => pickup 
   [status] => pending 
   [payment_method] => none 
   [is_paid] => 0 
   [txn_id] => 
   [processed_on] => 
   [price_subtotal] => 6300.00 
   [price_delivery] => 0.00 
   [price_total] => 6300.00 
   [voucher_code] => 
   [created] => 2013-10-15 08:48:16 
   [p_dt] => 2013-10-19 08:00:00 
   [d_address_1] => 
   [d_address_2] => 
   [d_country_id] => 
   [d_state] => 
   [d_city] => 
   [d_zip] => 
   [d_notes] => 
   [d_dt] => 
   [c_name] => ewqe 
   [c_email] => weqw@ewewe.com 
   [c_phone] => 3232323 
   [c_address_1] => ferwewe 
   [c_address_2] => 
   [c_notes] => 
   [c_country] => 
   [c_state] => www 
   [c_city] => 
   [c_zip] => 2122 
   [cc_type] => 
   [cc_num] => 
   [cc_code] => 
   [cc_exp] => 
   [product_arr] => Array ( 
     [0] => Array ( 
       [extra_arr] => Array ( ) ) ) ) )

我试图循环数组但没有成功我不确定我需要使用什么代码才能看到存储在product_arr数组中的变量。

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