PayPal Rest-API PHP-空白页

Question

I am having trouble with the PayPal PHP Rest API.

For some reason it shows as a blank page and only shows info through puTTY. I have no idea what's going on.

Here is my script:

<?php
require __DIR__ . '/PayPal-PHP-SDK/autoload.php';
use PayPal\Api\Amount;
use PayPal\Api\Details;
use PayPal\Api\Item;
use PayPal\Api\ItemList;
use PayPal\Api\Payer;
use PayPal\Api\Payment;
use PayPal\Api\RedirectUrls;
use PayPal\Api\Transaction;
use PayPal\Rest\ApiContext;
use PayPal\Auth\OAuthTokenCredential;

$api = new ApiContext(
    new OAuthTokenCredential(
        'yes it is correct',     // ClientID
        'correct '      // ClientSecret
    )
);
$api->setConfig([
'mode' => 'sandbox',
'http.ConnectionTimeOut' => 30,
'log.LogEnabled' => false,
'log.FileName' => '',
'log.LogLevel' => 'FINE',
'validation.level' => 'log'

]);


$payer = new Payer();
$payer->setPaymentMethod("paypal");



$item1 = new Item();
$item1->setName('Ground Coffee 40 oz')
    ->setCurrency('USD')
    ->setQuantity(1)
    ->setPrice(7.5);
$item2 = new Item();
$item2->setName('Granola bars')
    ->setCurrency('USD')
    ->setQuantity(5)
    ->setPrice(2);

$itemList = new ItemList();
$itemList->setItems(array($item1, $item2));



$details = new Details();
$details->setShipping(1.2)
    ->setTax(1.3)
    ->setSubtotal(17.50);

$amount = new Amount();
$amount->setCurrency("USD")
    ->setTotal(20)
    ->setDetails($details);

$transaction = new Transaction();
$transaction->setAmount($amount)
    ->setItemList($itemList)
    ->setDescription("Payment description")
    ->setInvoiceNumber(uniqid());




$redirectUrls = new RedirectUrls();
$redirectUrls->setReturnUrl("http://uplayeve.ml/PayPal/ExecutePayment.php?success=true")
    ->setCancelUrl("http://uplayeve.ml/PayPal//ExecutePayment.php?success=false");

$payment = new Payment();
$payment->setIntent("sale")
    ->setPayer($payer)
    ->setRedirectUrls($redirectUrls)
    ->setTransactions(array($transaction));

$request = clone $payment;


try {
    $payment->create($api);
} catch (Exception $ex) {
    echo 'Maybe an error or something';
    exit(1);
}

$approvalUrl = $payment->getApprovalLink();

ResultPrinter::printResult("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", "<a href='$approvalUrl' >$approvalUrl</a>", $request, $payment);

return $payment;
    ?>

Also here is my current phpinfo() : http://uplayeve.ml/PayPal/phpinfo.php

Answer 1

A Blank Page generally in PHP means, something threw an error, but your reporting is not enabled. You could easily enable this by adding these two lines at the top.

error_reporting(E_ALL);
ini_set('display_errors', '1');

This should potentially print the error now. Also, there are few things you should note.

1. ResultPrinter is a sample only code. Please disregard that, and remove that from your code. That could be causing the error.

2. If for any reason, you wish to catch and read proper exception, add this catch method as shown below.

    try { $payment->create($api); } catch (\\PayPal\\Exception\\PayPalConnectionException $ex) { echo $ex->getData(); } 

Btw, we are adding more and more samples, wiki pages, source docs, etc at http://paypal.github.io/PayPal-PHP-SDK/ to enable developers to integrate with REST API faster.