In this tutorial I want to explain how to work with Paypal Sandbox test accounts for payment system development and sending arguments while click buy now button. It’s simple and very easy to integrate in your web projects.
Step 1
Step 2
Now create test accounts for payment system. Take a look at Sandbox menu left-side topSandbox->Test Accounts
Step 3
Here I have created two accounts Buyer (personal) and Seller (merchant/business)
index.php
Contains PHP code. Displaying products, product image, product name and product price. Here you have to give your business(seller) $paypal_id id. Modify paypal button formreturn and cancel_return URLs.
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<?php
$paypal_url='https://www.sandbox.paypal.com/cgi-bin/webscr'; // Test Paypal API URL
$paypal_id='your_seller_id'; // Business email ID
?>
<h4>Welcome, Guest</h4>
<div class="product">
<div class="image">
<img src="rkphpsolution.blogspot.in/wp-content/uploads/img.jpg" />
</div>
<div class="price">
Price:$10
</div>
<div class="btn">
<form action="<?php echo $paypal_url; ?>" method="post" name="frmPayPal1">
<input type="hidden" name="business" value="<?php echo $paypal_id; ?>">
<input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="item_name" value="PHPGang Payment">
<input type="hidden" name="item_number" value="1">
<input type="hidden" name="credits" value="510">
<input type="hidden" name="userid" value="1">
<input type="hidden" name="amount" value="10">
<input type="hidden" name="cpp_header_image" value="http://rkphpsolution.blogspot.in/wp-content/uploads/gang.jpg">
<input type="hidden" name="no_shipping" value="1">
<input type="hidden" name="currency_code" value="USD">
<input type="hidden" name="handling" value="0">
<input type="hidden" name="cancel_return" value="http://demo.rkphpsolution.blogspot.in/payment_with_paypal/cancel.php">
<input type="hidden" name="return" value="http://demo.rkphpsolution.blogspot.in/payment_with_paypal/success.php">
<input type="image" src="https://www.sandbox.paypal.com/en_US/i/btn/btn_buynowCC_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
<img alt="" border="0" src="https://www.sandbox.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1">
</form>
</div>
</div>
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success.php
Paypal payment success return file. Getting Paypal argument like item_number. Paypal data success.php?tx=83437E384950D&st=Completed&amt=10.00&cc=USD&cm=&item_number=1
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<?php
$item_no = $_REQUEST['item_number'];
$item_transaction = $_REQUEST['tx']; // Paypal transaction ID
$item_price = $_REQUEST['amt']; // Paypal received amount
$item_currency = $_REQUEST['cc']; // Paypal received currency type
$price = '10.00';
$currency='USD';
//Rechecking the product price and currency details
if($item_price==$price && $item_currency==$currency)
{
echo "<h1>Welcome, Guest</h1>";
echo "<h1>Payment Successful</h1>";
}
else
{
echo "<h1>Payment Failed</h1>";
}
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cancel.php
Paypal API cancel_return file.
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<?php
echo "<h1>Welcome, Guest</h1>";
echo "<h1>Payment Canceled</h1>";
?>
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Step 4
When your web application test payment system workflow is completed. Change the form action development API URLs to original API URLs and give valid $paypal_id seller email id.
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$paypal_url='https://www.sandbox.paypal.com/cgi-bin/webscr';
//to
$paypal_url='https://www.paypal.com/cgi-bin/webscr';
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