/mvc/components/paypal

<?php
/**
 * PayPal payment interface
 */
class paypalComponent {
    /**
     * Sets the configuration for the PayPal payment page
     *
     * @var array
     */
    public $config = array('rm' => 2, //2 - POST back payment info to the return URL, 0 = GET, 1 = no-return-data
                           'undefined_quantity' => 0, //1 – allows buyers to specify the quantity.
                           'no_note' => 1, //1 = hides notes box
                           'no_shipping' => 1, //1 = no shipping prompt
                           'cpp_headerborder_color' => '333333',
                           'cpp_payflow_color' => '333333');

    /**
     * Additional configuration settings - the default values are dynamic so they cannot be set in the property
 default
     */
    public function __construct() {
        $baseUrl = 'http://' . $_SERVER['HTTP_HOST'] . '/' . mvc::$controller;
        $this->config = array_merge($this->config, array(
            'cbt' => get::$config->SITE_NAME, //Sets "Return to Merchant" button text on PayPal Payment-Complete
 page
            'return' => $baseUrl . '/complete', //post-payment URL
            'notify_url' => $baseUrl . '/complete', //payment notification URL
            'cancel_return' => $baseUrl, //payment cancelled URL
            'shopping_url' => $baseUrl //continue browsing/return URL
        ));
    }

    /**
     * Flag to use sandbox (for testing) instead of live payment system
     *
     * @var boolean
     */
    public $useSandbox = false;

    /**
     * Send a user to the PayPal payment page
     *
     * @param array $fields
     */
    public function goToPay(array $fields = array()) {
        $fields = array_merge($fields, $this->config, array(
            'cmd' => '_cart',
            'upload' => 1, //required to use 3rd party cart
            'business' => get::$config->PAYPAL_EMAIL,
            'rm' => 2, //2 - POST back payment info to the return URL, 0 = GET, 1 = no-return-data
        ));
        $subdomain = (!$this->useSandbox ? 'www' : 'sandbox');
        $url = 'https://' . $subdomain . '.paypal.com/cgi-bin/webscr?' . http_build_query($fields);
        load::redirect($url);
    }
}