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我已經設法將PayPal快速結賬整合到我的電子商務商店中，然後瀏覽並遵循教程，所有工作都很好，直到我真正嘗試付費。其返回以下錯誤：php PayPal在TotalAmount結帳錯誤
警告：行用於/home2/joso157/public_html/jssite/shop/paypal-express-checkout/index.php 的foreach（）提供參數無效139
錯誤：的OrderTotal（AMT）：缺少所需參數
任何一個知道如何解決這一問題？在此先感謝
<?php
session_start();
include_once("../config.php");
include_once("paypal.class.php");
$paypalmode = ($PayPalMode=='') ? '' : '';
if(isset($_SESSION["cart_products"]))
{
$paypal_data ='';
$ItemTotalPrice = 0;
$productWght = "0";
$i = 0;
foreach ($_SESSION["cart_products"] as $cart_itm)
{
$product_code = filter_var($cart_itm["product_code"], FILTER_SANITIZE_STRING);
$results = $mysqli->query("SELECT product_name, product_desc, price_1, price_2, price_3, price_4, weight_1, weight_2, weight_3, weight_4 FROM products INNER JOIN weight ON (products.weight = weight.id) WHERE product_code='$product_code' LIMIT 1");
$obj = $results->fetch_object();
$paypal_data .= '&L_PAYMENTREQUEST_0_NAME'.$i.'='.urlencode($obj->product_name);
$paypal_data .= '&L_PAYMENTREQUEST_0_NUMBER'.$i.'='.urlencode($cart_itm["product_code"]);
$paypal_data .= '&L_PAYMENTREQUEST_0_AMT'.$i.'='.urlencode($cart_itm["price"]);
$paypal_data .= '&L_PAYMENTREQUEST_0_QTY'.$i.'='. urlencode($cart_itm["product_qty"]);
$paypal_data .= '&L_PAYMENTREQUEST_0_WEIGHT'.$i.'='. urlencode($cart_itm["weight"]);
$subtotal = ($cart_itm["price"]*$cart_itm["product_qty"]);
$ItemTotalPrice = $ItemTotalPrice + $subtotal;
$paypal_product['items'][] = array('itm_name'=>$obj->product_name,
'itm_price'=>$cart_itm["price"],
'itm_code'=>$cart_itm["product_code"],
'itm_qty'=>$cart_itm["product_qty"],
);
$productWght += $cart_itm["product_qty"]*$cart_itm["weight"];
$i++;
}
$k = $i;
$total_tax = 0;
foreach($taxes as $key => $value){
$tax_amount = round($ItemTotalPrice * ($value/100));
$tax_item[$key] = $tax_amount;
$total_tax = $total_tax + $tax_amount;
}
$product_weight = ($product_qty*$cart_itm["weight"]);
$total_weight += $product_weight;
$total_weight = $productWght;
$shipping_cost = '0';
if($total_weight <= '1.9'){
$shipping_cost = "2.95";
}elseif(($total_weight >= '1.9') && ($total_weight <= '11')){
$shipping_cost = "5.95";
}elseif(($total_weight >= '11') && ($total_weight <= '30')){
$shipping_cost = "9.95";
}elseif(($total_weight >= '30') && ($total_weight <= '100')){
$shipping_cost = "24.95";
}
$GrandTotal = ($ItemTotalPrice + $total_tax + $HandalingCost + $InsuranceCost + $shipping_cost);
$discount = '0';
if(isset($_SESSION['discount_amount']) && !empty($_SESSION['discount_amount']))
{
$GrandTotal = $GrandTotal - $_SESSION['discount_amount'];
$GrandTotal = sprintf("%01.2f", $GrandTotal);
$discount = ($_SESSION['discount_amount'] != '0') ? "-".$_SESSION['discount_amount'] : "0";
}
$paypal_product['assets'] = array('tax_total'=>$total_tax,
'handaling_cost'=>$HandalingCost,
'insurance_cost'=>$InsuranceCost,
'shippin_cost'=>$shipping_cost,
'discount'=>$discount,
'grand_total'=>$GrandTotal);
$_SESSION["paypal_products"] = $paypal_product;
/*$paypal_data .= "&L_PAYMENTREQUEST_0_NAME".$k."=Discount&L_PAYMENTREQUEST_0_NUMBER".$k."=1&L_PAYMENTREQUEST_0_AMT".$k."=".$discount."&L_PAYMENTREQUEST_0_QTY".$k."=1&L_PAYMENTREQUEST_0_WEIGHT".$k."=0";*/
$padata = '&METHOD=SetExpressCheckout'.
'&RETURNURL='.urlencode($PayPalReturnURL).
'&CANCELURL='.urlencode($PayPalCancelURL).
'&PAYMENTREQUEST_0_PAYMENTACTION='.urlencode("SALE").
$paypal_data.
'&NOSHIPPING=0'.
'&PAYMENTREQUEST_0_ITEMAMT='.urlencode($ItemTotalPrice).
'&PAYMENTREQUEST_0_TAXAMT='.urlencode($total_tax).
'&PAYMENTREQUEST_0_SHIPPINGAMT='.urlencode($shipping_cost).
'&PAYMENTREQUEST_0_HANDLINGAMT='.urlencode($HandalingCost).
'&PAYMENTREQUEST_0_SHIPDISCAMT='.urlencode($discount).
'&PAYMENTREQUEST_0_INSURANCEAMT='.urlencode($InsuranceCost).
'&PAYMENTREQUEST_0_AMT='.urlencode($GrandTotal).
'&PAYMENTREQUEST_0_CURRENCYCODE='.urlencode($PayPalCurrencyCode).
'&LOCALECODE=GB'.
'&LOGOIMG=http://www.sanwebe.com/wp-content/themes/sanwebe/img/logo.png'.
'&CARTBORDERCOLOR=FFFFFF'.
'&ALLOWNOTE=1';
$paypal= new MyPayPal();
$httpParsedResponseAr = $paypal->PPHttpPost('SetExpressCheckout', $padata, $PayPalApiUsername, $PayPalApiPassword, $PayPalApiSignature, $PayPalMode);
if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"]))
{
unset($_SESSION["cart_products"]);
$paypalurl ='https://www.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token='.$httpParsedResponseAr["TOKEN"].'';
header('Location: '.$paypalurl);
}
else
{
echo '<div style="color:red"><b>Error : </b>'.urldecode($httpParsedResponseAr["L_LONGMESSAGE0"]).'</div>';
echo '<pre>';
print_r($httpParsedResponseAr);
echo '</pre>';
}
}
if(isset($_GET["token"]) && isset($_GET["PayerID"]))
{
$token = $_GET["token"];
$payer_id = $_GET["PayerID"];
$paypal_product = $_SESSION["paypal_products"];
$paypal_data = '';
$ItemTotalPrice = 0;
$z = '0';
foreach($paypal_product['items'] as $key=>$p_item)
{
$paypal_data .= '&L_PAYMENTREQUEST_0_QTY'.$key.'='. urlencode($p_item['itm_qty']);
$paypal_data .= '&L_PAYMENTREQUEST_0_AMT'.$key.'='.urlencode($p_item['itm_price']);
$paypal_data .= '&L_PAYMENTREQUEST_0_NAME'.$key.'='.urlencode($p_item['itm_name']);
$paypal_data .= '&L_PAYMENTREQUEST_0_NUMBER'.$key.'='.urlencode($p_item['itm_code']);
$subtotal = ($p_item['itm_price']*$p_item['itm_qty']);
$ItemTotalPrice = ($ItemTotalPrice + $subtotal);
$z = $key;
}
/*$z = $z+1;
$paypal_data .= '&L_PAYMENTREQUEST_0_QTY'.$z.'='. urlencode("1");
$paypal_data .= '&L_PAYMENTREQUEST_0_AMT'.$z.'='.urlencode($discount);
$paypal_data .= '&L_PAYMENTREQUEST_0_NAME'.$z.'='.urlencode("Discount Amount");
$paypal_data .= '&L_PAYMENTREQUEST_0_NUMBER'.$z.'='.urlencode('1');*/
$padata = '&TOKEN='.urlencode($token).
'&PAYERID='.urlencode($payer_id).
'&PAYMENTREQUEST_0_PAYMENTACTION='.urlencode("SALE").
$paypal_data.
'&PAYMENTREQUEST_0_ITEMAMT='.urlencode($ItemTotalPrice).
'&PAYMENTREQUEST_0_TAXAMT='.urlencode($paypal_product['assets']['tax_total']).
'&PAYMENTREQUEST_0_SHIPPINGAMT='.urlencode($paypal_product['assets']['shippin_cost']).
'&PAYMENTREQUEST_0_HANDLINGAMT='.urlencode($paypal_product['assets']['handaling_cost']).
'&PAYMENTREQUEST_0_SHIPDISCAMT='.urlencode($paypal_product['assets']['discount']).
'&PAYMENTREQUEST_0_INSURANCEAMT='.urlencode($paypal_product['assets']['insurance_cost']).
'&PAYMENTREQUEST_0_AMT='.urlencode($paypal_product['assets']['grand_total']).
'&PAYMENTREQUEST_0_CURRENCYCODE='.urlencode($PayPalCurrencyCode);
$paypal= new MyPayPal();
$httpParsedResponseAr = $paypal->PPHttpPost('DoExpressCheckoutPayment', $padata, $PayPalApiUsername, $PayPalApiPassword, $PayPalApiSignature, $PayPalMode);
if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"]))
{
echo '<h2>Success</h2>';
echo 'Your Transaction ID : '.urldecode($httpParsedResponseAr["PAYMENTINFO_0_TRANSACTIONID"]);
if('Completed' == $httpParsedResponseAr["PAYMENTINFO_0_PAYMENTSTATUS"])
{
echo '<div style="color:green">Payment Received! Your product will be sent to you very soon!</div>';
}
elseif('Pending' == $httpParsedResponseAr["PAYMENTINFO_0_PAYMENTSTATUS"])
{
echo '<div style="color:red">Transaction Complete, but payment is still pending! '.
'You need to manually authorize this payment in your <a target="_new" href="http://www.paypal.com">Paypal Account</a></div>';
}
$padata = '&TOKEN='.urlencode($token);
$paypal= new MyPayPal();
$httpParsedResponseAr = $paypal->PPHttpPost('GetExpressCheckoutDetails', $padata, $PayPalApiUsername, $PayPalApiPassword, $PayPalApiSignature, $PayPalMode);
if("SUCCESS" == strtoupper($httpParsedResponseAr["ACK"]) || "SUCCESSWITHWARNING" == strtoupper($httpParsedResponseAr["ACK"]))
{
echo '<br /><b>Stuff to store in database :</b><br />';
echo '<pre>';
echo '<pre>';
print_r($httpParsedResponseAr);
echo '</pre>';
} else {
echo '<div style="color:red"><b>GetTransactionDetails failed:</b>'.urldecode($httpParsedResponseAr["L_LONGMESSAGE0"]).'</div>';
echo '<pre>';
print_r($httpParsedResponseAr);
echo '</pre>';
}
}else{
echo '<div style="color:red"><b>Error : </b>'.urldecode($httpParsedResponseAr["L_LONGMESSAGE0"]).'</div>';
echo '<pre>';
print_r($httpParsedResponseAr);
echo '</pre>';
}
}
?>