paypal Follow @yiiframework

'Paypal' => array(
    'class'=>'application.components.Paypal',
    'apiUsername' => 'YOUR_API_USERNAME',
    'apiPassword' => 'YOUR_API_PASSWORD',
    'apiSignature' => 'YOUR_API_SIGNATURE',
    'apiLive' => false,
 
    'returnUrl' => 'paypal/confirm/', //regardless of url management component
    'cancelUrl' => 'paypal/cancel/', //regardless of url management component
 
    // Default currency to use, if not set USD is the default
    'currency' => 'USD',
 
    // Default description to use, defaults to an empty string
    //'defaultDescription' => '',
 
    // Default Quantity to use, defaults to 1
    //'defaultQuantity' => '1',
 
    //The version of the paypal api to use, defaults to '3.0' (review PayPal documentation to include a valid API version)
    //'version' => '3.0',
),

class PaypalController extends Controller
{
    public function actionBuy(){
 
        // set 
        $paymentInfo['Order']['theTotal'] = 0.00;
        $paymentInfo['Order']['description'] = "Some payment description here";
        $paymentInfo['Order']['quantity'] = '1';
 
        // call paypal 
        $result = Yii::app()->Paypal->SetExpressCheckout($paymentInfo); 
        //Detect Errors 
        if(!Yii::app()->Paypal->isCallSucceeded($result)){ 
            if(Yii::app()->Paypal->apiLive === true){
                //Live mode basic error message
                $error = 'We were unable to process your request. Please try again later';
            }else{
                //Sandbox output the actual error message to dive in.
                $error = $result['L_LONGMESSAGE0'];
            }
            echo $error;
            Yii::app()->end();
 
        }else { 
            // send user to paypal 
            $token = urldecode($result["TOKEN"]); 
 
            $payPalURL = Yii::app()->Paypal->paypalUrl.$token; 
            $this->redirect($payPalURL); 
        }
    }
 
    public function actionConfirm()
    {
        $token = trim($_GET['token']);
        $payerId = trim($_GET['PayerID']);
 
 
 
        $result = Yii::app()->Paypal->GetExpressCheckoutDetails($token);
 
        $result['PAYERID'] = $payerId; 
        $result['TOKEN'] = $token; 
        $result['ORDERTOTAL'] = 0.00;
 
        //Detect errors 
        if(!Yii::app()->Paypal->isCallSucceeded($result)){ 
            if(Yii::app()->Paypal->apiLive === true){
                //Live mode basic error message
                $error = 'We were unable to process your request. Please try again later';
            }else{
                //Sandbox output the actual error message to dive in.
                $error = $result['L_LONGMESSAGE0'];
            }
            echo $error;
            Yii::app()->end();
        }else{ 
 
            $paymentResult = Yii::app()->Paypal->DoExpressCheckoutPayment($result);
            //Detect errors  
            if(!Yii::app()->Paypal->isCallSucceeded($paymentResult)){
                if(Yii::app()->Paypal->apiLive === true){
                    //Live mode basic error message
                    $error = 'We were unable to process your request. Please try again later';
                }else{
                    //Sandbox output the actual error message to dive in.
                    $error = $paymentResult['L_LONGMESSAGE0'];
                }
                echo $error;
                Yii::app()->end();
            }else{
                //payment was completed successfully
 
                $this->render('confirm');
            }
 
        }
    }
 
    public function actionCancel()
    {
        //The token of the cancelled payment typically used to cancel the payment within your application
        $token = $_GET['token'];
 
        $this->render('cancel');
    }
 
    public function actionDirectPayment(){ 
        $paymentInfo = array('Member'=> 
            array( 
                'first_name'=>'name_here', 
                'last_name'=>'lastName_here', 
                'billing_address'=>'address_here', 
                'billing_address2'=>'address2_here', 
                'billing_country'=>'country_here', 
                'billing_city'=>'city_here', 
                'billing_state'=>'state_here', 
                'billing_zip'=>'zip_here' 
            ), 
            'CreditCard'=> 
            array( 
                'card_number'=>'number_here', 
                'expiration_month'=>'month_here', 
                'expiration_year'=>'year_here', 
                'cv_code'=>'code_here' 
            ), 
            'Order'=> 
            array('theTotal'=>1.00) 
        ); 
 
       /* 
        * On Success, $result contains [AMT] [CURRENCYCODE] [AVSCODE] [CVV2MATCH]  
        * [TRANSACTIONID] [TIMESTAMP] [CORRELATIONID] [ACK] [VERSION] [BUILD] 
        *  
        * On Fail, $ result contains [AMT] [CURRENCYCODE] [TIMESTAMP] [CORRELATIONID]  
        * [ACK] [VERSION] [BUILD] [L_ERRORCODE0] [L_SHORTMESSAGE0] [L_LONGMESSAGE0]  
        * [L_SEVERITYCODE0]  
        */ 
 
        $result = Yii::app()->Paypal->DoDirectPayment($paymentInfo); 
 
        //Detect Errors 
        if(!Yii::app()->Paypal->isCallSucceeded($result)){ 
            if(Yii::app()->Paypal->apiLive === true){
                //Live mode basic error message
                $error = 'We were unable to process your request. Please try again later';
            }else{
                //Sandbox output the actual error message to dive in.
                $error = $result['L_LONGMESSAGE0'];
            }
            echo $error;
 
        }else { 
            //Payment was completed successfully, do the rest of your stuff
        }
 
        Yii::app()->end();
    } 
}