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Simple PayPal Integration
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<?php | |
echo "<h1>Welcome, Guest</h1>"; | |
echo "<h1>Payment Canceled</h1>"; | |
?> |
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<?php | |
include 'paypal-pdt-functions.php'; | |
$payment_data = isset($_GET['tx']) | |
? process_pdt($_GET['tx']) | |
: FALSE; | |
$success_url = 'http://www.yourdomain.com/success/'; | |
$cancel_url = 'http://www.yourdomain.com/cancel/'; | |
?> | |
<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8" /> | |
<title>PayPal PDT Sample</title> | |
</head> | |
<body> | |
<h1>PayPal PDT Sample</h1> | |
<p>Click the Buy Now button and make a dummy payment. When you return the PDT data will be printed.</p> | |
<form action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post" accept-charset="utf-8"> | |
<p> | |
<input type="hidden" name="cmd" value="_xclick" /> | |
<input type="hidden" name="charset" value="utf-8" /> | |
<input type="hidden" name="business" value="sanjay_1237380148_biz@programmer.net" /> | |
<input type="hidden" name="item_name" value="WordPress Customization" /> | |
<input type="hidden" name="item_number" value="WP001" /> | |
<input type="hidden" name="amount" value="50.00" /> | |
<input type="hidden" name="currency_code" value="USD" /> | |
<input type="hidden" name="return" value="<?php echo $success_url; ?>" /> | |
<input type="hidden" name="cancel_return" value="<?php echo $cancel_url; ?>" /> | |
<input type="hidden" name="bn" value="Business_BuyNow_WPS_SE" /> | |
<input type="image" src="https://www.paypal.com/en_US/i/btn/btn_buynowCC_LG.gif" name="submit" alt="Buy Now" /> | |
</p> | |
</form> | |
</body> | |
</html> |
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<?php | |
function process_pdt($tx) | |
{ | |
// Init cURL | |
$request = curl_init(); | |
$pdt_identity_token = 'gvK-79xTEGKi7vlJJnvlNuBz-lgJnWCmK8l2jryNGEe4P7sp4hEh2Mbf4yW'; | |
// Set request options | |
curl_setopt_array($request, array | |
( | |
CURLOPT_URL => 'https://www.sandbox.paypal.com/cgi-bin/webscr', | |
CURLOPT_POST => TRUE, | |
CURLOPT_POSTFIELDS => http_build_query(array | |
( | |
'cmd' => '_notify-synch', | |
'tx' => $tx, | |
'at' => $pdt_identity_token, | |
)), | |
CURLOPT_RETURNTRANSFER => TRUE, | |
CURLOPT_HEADER => FALSE, | |
//CURLOPT_SSL_VERIFYPEER => TRUE, | |
//CURLOPT_CAINFO => 'cacert.pem', | |
)); | |
// Execute request and get response and status code | |
$response = curl_exec($request); | |
$status = curl_getinfo($request, CURLINFO_HTTP_CODE); | |
// Close connection | |
curl_close($request); | |
// Validate response | |
if($status == 200 AND strpos($response, 'SUCCESS') === 0) | |
{ | |
// Remove SUCCESS part (7 characters long) | |
$response = substr($response, 7); | |
// Urldecode it | |
$response = urldecode($response); | |
// Turn it into associative array | |
preg_match_all('/^([^=\r\n]++)=(.*+)/m', $response, $m, PREG_PATTERN_ORDER); | |
$response = array_combine($m[1], $m[2]); | |
// Fix character encoding if needed | |
if(isset($response['charset']) AND strtoupper($response['charset']) !== 'UTF-8') | |
{ | |
foreach($response as $key => &$value) | |
{ | |
$value = mb_convert_encoding($value, 'UTF-8', $response['charset']); | |
} | |
$response['charset_original'] = $response['charset']; | |
$response['charset'] = 'UTF-8'; | |
} | |
// Sort on keys | |
ksort($response); | |
// Done! | |
return $response; | |
} | |
return FALSE; | |
} | |
?> |
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<?php if($payment_data) | |
echo 'Payer Email: ' . $payment_data['payer_email']; | |
if($_GET): | |
?> | |
<hr/> | |
<h2>Details</h2> | |
<pre>GET: <?php print_r($_GET) ?></pre> | |
<pre>PDT: <?php print_r($payment_data) ?></pre> | |
<?php endif ?> |
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