Paypal php curl class

[thiwankalk]

/*
define's
app_paypal_apiusername;
app_paypal_apipassword;
app_paypal_apisignature;
app_paypal_apiendpoint;
app_paypal_version;
*/
class Paypal_Payment {

private $API_UserName=app_paypal_apiusername;
private $API_Password=app_paypal_apipassword;
private $API_Signature=app_paypal_apisignature;
private $API_Endpoint =app_paypal_apiendpoint;
private $version=app_paypal_version;

public function doTrasaction($data) {
$methodName = "doDirectPayment";
$paymentType =urlencode($data['paymenttype']);
$firstName =urlencode($data['firstname']);
$lastName =urlencode($data['lastname']);
$creditCardType =urlencode($data['creditcardtype']);
$creditCardNumber = urlencode($data['crdnumber']);
$expDateMonth =urlencode($data['month']);

// Month must be padded with leading zero
$padDateMonth = str_pad($expDateMonth, 2, '0', STR_PAD_LEFT);
$expDateYear =urlencode( $data['year']);
$cvv2Number = urlencode($data['cvc']);
$address = urlencode($data['address']);
//$address2 = urlencode($data['address2']);
$country = urldecode($data['country']);
$city = urlencode($data['city']);
$state =urlencode( $data['state']);
$zip = urlencode($data['zipcode']);
$amount = urlencode($data['amount']);
$currencyCode="USD";
$paymentType=urlencode($data['paymenttype']);
$nvpstr="&PAYMENTACTION=$paymentType&AMT=$amount&CREDITCARDTYPE=
$creditCardType&ACCT=$creditCardNumber&EXPDATE=".$padDateMonth.
$expDateYear."&CVV2=$cvv2Number&FIRSTNAME=$firstName&LASTNAME=
$lastName&STREET=$address&CITY=$city&STATE=$state"."&ZIP=
$zip&COUNTRYCODE=US&CURRENCYCODE=$currencyCode";

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$this->API_Endpoint);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_POST, 1);
if(app_paypal_useproxy)
curl_setopt ($ch, CURLOPT_PROXY,
app_paypal_proxyhost.":".app_paypal_proxyport);
$nvpreq="METHOD=".urlencode($methodName)."&VERSION=".urlencode
($this->version)."&PWD=".urlencode($this-
>API_Password)."&USER=".urlencode($this-
>API_UserName)."&SIGNATURE=".urlencode($this->API_Signature).$nvpstr;
curl_setopt($ch,CURLOPT_POSTFIELDS,$nvpreq);
$response = curl_exec($ch);
$nvpResArray=$this->deformatNVP($response);
$nvpReqArray=$this->deformatNVP($nvpreq);
if (curl_errno($ch)) {
return FALSE;
} else {
curl_close($ch);
}

return $nvpResArray;
}

private function deformatNVP($nvpstr){
$intial=0;
$nvpArray = array();
while(strlen($nvpstr)){
$keypos= strpos($nvpstr,'=');
$valuepos = strpos($nvpstr,'&') ? strpos($nvpstr,'&'): strlen
($nvpstr);

$keyval=substr($nvpstr,$intial,$keypos);
$valval=substr($nvpstr,$keypos+1,$valuepos-$keypos-1);
$nvpArray[urldecode($keyval)] =urldecode($valval);
$nvpstr=substr($nvpstr,$valuepos+1,strlen($nvpstr));
}
return $nvpArray;
}
}

$payment = new Paypal_Payment();

$status = $payment->doTrasaction($data);
if($status['ACK']=='Failure') {
echo 'fail';
} else {
echo 'pass';
}