paypal pro intrigation with php

This class can be used to send payment requests to Paypal payments Pro API.

It can send HTTP request to the Paypal API Web servers to execute a given API operation passing a list of name and value pairs. It can also send requests to the sandbox API web servers.

The class returns the response name value pairs as an associative array.

</pre>
<?php
// Include config file
// Set sandbox (test mode) to true/false.
$sandbox = TRUE;

// Set PayPal API version and credentials.
$api_version = '85.0';
$api_endpoint = $sandbox ? 'https://api-3t.sandbox.paypal.com/nvp' : 'https://api-3t.paypal.com/nvp';
$api_username = $sandbox ? 'BUSINESSPRO EMAILID HERE' : 'BUSINESSPRO EMAILID';
$api_password = $sandbox ? 'PASSWORD' : 'PASSWORD';
$api_signature = $sandbox ? 'SIGNATURE PASTE HERE' : 'SIGNATURE PASTE HERE';

// Store request params in an array
$request_params = array
(
'METHOD' => 'DoDirectPayment',
'USER' => $api_username,
'PWD' => $api_password,
'SIGNATURE' => $api_signature,
'VERSION' => $api_version,
'PAYMENTACTION' => 'Sale',
'IPADDRESS' => $_SERVER['REMOTE_ADDR'],
'CREDITCARDTYPE' => 'TYPE CREDITCARD',
'ACCT' => 'TYPE ACCOUNT NO',
'EXPDATE' => '052018 ', /*TYPE EXPIREDATE*/
'CVV2' => '456',  /*TYPE CVV NO*/
'FIRSTNAME' => 'Tester',
'LASTNAME' => 'Testerson',
'STREET' => '707 W. Bay Drive',
'CITY' => 'Largo',
'STATE' => 'FL',
'COUNTRYCODE' => 'US',
'ZIP' => '33770',
'AMT' => '14.00',
'CURRENCYCODE' => 'USD',
'DESC' => 'Testing Payments Pro'
);

// Loop through $request_params array to generate the NVP string.
$nvp_string = '';
foreach($request_params as $var=>$val)
{
$nvp_string .= '&'.$var.'='.urlencode($val);
}

// Send NVP string to PayPal and store response
$curl = curl_init();
curl_setopt($curl, CURLOPT_VERBOSE, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_URL, $api_endpoint);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $nvp_string);

$result = curl_exec($curl);
echo $result.'<br /><br />';
curl_close($curl);

// Parse the API response
$result_array = NVPToArray($result);

echo '<pre />';
print_r($result_array);

// Function to convert NTP string to an array
function NVPToArray($NVPString)
{
$proArray = array();
while(strlen($NVPString))
{
// name
$keypos= strpos($NVPString,'=');
$keyval = substr($NVPString,0,$keypos);
// value
$valuepos = strpos($NVPString,'&') ? strpos($NVPString,'&'): strlen($NVPString);
$valval = substr($NVPString,$keypos+1,$valuepos-$keypos-1);
// decoding the respose
$proArray[$keyval] = urldecode($valval);
$NVPString = substr($NVPString,$valuepos+1,strlen($NVPString));
}
return $proArray;
}

?>
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