/**
* Get the API object
*
* @return WCS_PayPal_Express_API API instance
* @since 2.0
*/
public static function get_api()
{
if (is_object(self::$api)) {
return self::$api;
}
if (!class_exists('WC_Gateway_Paypal_Response')) {
require_once WC()->plugin_path() . '/includes/gateways/paypal/includes/class-wc-gateway-paypal-response.php';
}
$classes = array('api', 'api-request', 'api-response', 'api-response-checkout', 'api-response-billing-agreement', 'api-response-payment', 'api-response-recurring-payment');
foreach ($classes as $class) {
require_once "includes/class-wcs-paypal-reference-transaction-{$class}.php";
}
$environment = 'yes' === self::get_option('testmode') ? 'sandbox' : 'production';
return self::$api = new WCS_PayPal_Reference_Transaction_API('paypal', $environment, self::get_option('api_username'), self::get_option('api_password'), self::get_option('api_signature'));
}
