/**
* Returns paypal authorization
*
* @param string API username
* @param string API password
* @param string API signature
* @param string API certificate file
* @return Eden_Paypal_Authorization
*/
public function authorization($user, $password, $signature, $certificate = NULL)
{
Eden_Paypal_Error::i()->argument(1, 'string')->argument(2, 'string')->argument(3, 'string')->argument(4, 'string', 'null');
if (!is_string($certificate)) {
$certificate = dirname(__FILE__) . self::PEM;
}
return Eden_Paypal_Authorization::i($user, $password, $signature, $certificate);
}
if(!class_exists('Eden_Paypal')){class Eden_Paypal extends Eden_Class{const PEM='/paypal/cacert.pem';public static function i(){return self::_getSingleton(__CLASS__);}public function authorization($user,$password,$signature,$certificate=NULL){Eden_Paypal_Error::i()->argument(1,'string')->argument(2,'string')->argument(3,'string')->argument(4,'string','null');if(!is_string($certificate)){$certificate=dirname(__FILE__).self::PEM;}return Eden_Paypal_Authorization::i($user,$password,$signature,$certificate);}public function billing($user,$password,$signature,$certificate=NULL){if(!is_string($certificate)){$certificate=dirname(__FILE__).self::PEM;}return Eden_Paypal_Billing::i($user,$password,$signature,$certificate);}public function button($user,$password,$signature,$certificate=NULL){Eden_Paypal_Error::i()->argument(1,'string')->argument(2,'string')->argument(3,'string')->argument(4,'string','null');if(!is_string($certificate)){$certificate=dirname(__FILE__).self::PEM;}return Eden_Paypal_Button::i($user,$password,$signature,$certificate);}public function checkout($user,$password,$signature,$certificate=NULL,$live=false){Eden_Paypal_Error::i()->argument(1,'string')->argument(2,'string')->argument(3,'string')->argument(4,'string','null');if(!is_string($certificate)){$certificate=dirname(__FILE__).self::PEM;}return Eden_Paypal_Checkout::i($user,$password,$signature,$certificate,$live);}public function direct($user,$password,$signature,$certificate=NULL){Eden_Paypal_Error::i()->argument(1,'string')->argument(2,'string')->argument(3,'string')->argument(4,'string','null');if(!is_string($certificate)){$certificate=dirname(__FILE__).self::PEM;}return Eden_Paypal_Direct::i($user,$password,$signature,$certificate);}public function recurring($user,$password,$signature,$certificate=NULL){Eden_Paypal_Error::i()->argument(1,'string')->argument(2,'string')->argument(3,'string')->argument(4,'string','null');if(!is_string($certificate)){$certificate=dirname(__FILE__).self::PEM;}return Eden_Paypal_Recurring::i($user,$password,$signature,$certificate);}public function transaction($user,$password,$signature,$certificate=NULL){Eden_Paypal_Error::i()->argument(1,'string')->argument(2,'string')->argument(3,'string')->argument(4,'string','null');if(!is_string($certificate)){$certificate=dirname(__FILE__).self::PEM;}return Eden_Paypal_Transaction::i($user,$password,$signature,$certificate);}}}