function submit_to_paypal()
{
$eStore_default_currency = get_option('cart_payment_currency');
$eStore_return_url = get_option('cart_return_from_paypal_url');
$eStore_sandbox_enabled = get_option('eStore_cart_enable_sandbox');
if (!empty($eStore_default_currency)) {
$paypal_currency = $eStore_default_currency;
} else {
$paypal_currency = 'USD';
}
$email = get_option('cart_paypal_email');
$myPaypal = new Paypal();
$myPaypal->gatewayUrl = 'https://www.paypal.com/cgi-bin/webscr';
//PAYPAL_LIVE_URL
$myPaypal->addField('charset', "utf-8");
$myPaypal->addField('business', $email);
$paypal_currency = apply_filters('eStore_change_curr_code_before_payment_filter', $paypal_currency);
$myPaypal->addField('currency_code', $paypal_currency);
$cancel_url = get_option('cart_cancel_from_paypal_url');
if (!empty($cancel_url)) {
$myPaypal->addField('cancel_return', $cancel_url);
}
if (get_option('eStore_auto_product_delivery') != '') {
if (WP_ESTORE_ENABLE_NEW_CHECKOUT_REDIRECTION === '1') {
$notify = WP_ESTORE_SITE_HOME_URL . '/?estore_pp_ipn=process';
} else {
$notify = WP_ESTORE_URL . '/paypal.php';
}
$myPaypal->addField('notify_url', $notify);
}
// =======================
global $wpdb;
$products_table_name = WP_ESTORE_PRODUCTS_TABLE_NAME;
$weight = 0;
$count = 1;
$all_items_digital = true;
foreach ($_SESSION['eStore_cart'] as $item) {
$rounded_price = round($item['price'], 2);
$rounded_price = apply_filters('eStore_change_price_before_payment_filter', $rounded_price);
$myPaypal->addField("item_name_{$count}", htmlspecialchars($item['name']));
$myPaypal->addField("amount_{$count}", $rounded_price);
$myPaypal->addField("quantity_{$count}", $item['quantity']);
$myPaypal->addField("item_number_{$count}", $item['item_number']);
//Check to see if this is a tax free item and set the tax accordingly so that the profile based PayPal tax can work nicely
if ($item['tax'] == "0") {
$myPaypal->addField("tax_{$count}", $item['tax']);
}
$id = $item['item_number'];
$ret_product = $wpdb->get_row("SELECT * FROM {$products_table_name} WHERE id = '{$id}'", OBJECT);
if (!empty($ret_product->weight)) {
$weight += $ret_product->weight * $item['quantity'];
}
if (empty($item['digital_flag'])) {
$all_items_digital = false;
}
$count++;
}
$total_items_in_cart = count($_SESSION['eStore_cart']);
if ($total_items_in_cart == 1 && !empty($ret_product->return_url)) {
$myPaypal->addField('return', $ret_product->return_url);
} else {
if (!empty($eStore_return_url)) {
$myPaypal->addField('return', $eStore_return_url);
}
}
if (!get_option('eStore_paypal_profile_shipping')) {
//Not Using paypal's profile based shipping so include shipping otherwise ignore shipping here as it will be calculated on paypal's site
$shipping = round($_SESSION['eStore_cart_postage_cost'], 2);
if (!empty($shipping)) {
$shipping = apply_filters('eStore_change_shipping_before_payment_filter', $shipping);
//change tax amount before submitting if converting currency to another type
$myPaypal->addField('no_shipping', '2');
$myPaypal->addField('handling_cart', $shipping);
//$myPaypal->addField('shipping_1', $shipping);
} else {
//If you do not want to collect address for checkout that has no shipping cost then uncomment the following line of code.
//$myPaypal->addField('no_shipping', '1');
}
} else {
//Include the weight for profile based shipping calc
$myPaypal->addField('weight_cart', round($weight, 2));
$myPaypal->addField('weight_unit', 'lbs');
if ($all_items_digital) {
//All the items in the cart are digital items so set the shipping flag to 0 so no shipping is charged
$total_items = count($_SESSION['eStore_cart']);
for ($i = 1; $i <= $total_items; $i++) {
$myPaypal->addField('shipping_' . $i, '0');
}
} else {
if (isset($_SESSION['eStore_cart_postage_cost']) && $_SESSION['eStore_cart_postage_cost'] == 0) {
//Free shipping discount applied. send 0 shipping to override profile based shipping
if (empty($weight)) {
//Add $0 shipping override
$myPaypal->addField('shipping_1', '0');
}
}
}
}
if (!empty($_SESSION['eStore_cart_total_tax'])) {
$cart_total_tax = round($_SESSION['eStore_cart_total_tax'], 2);
$cart_total_tax = apply_filters('eStore_change_tax_before_payment_filter', $cart_total_tax);
//change tax amount before submitting if converting currency to another type
$myPaypal->addField('tax_cart', $cart_total_tax);
}
if (get_option('eStore_display_tx_result')) {
$myPaypal->addField('rm', '1');
}
if (defined('WP_ESTORE_FORCE_LANGUAGE_OF_PAYPAL_PAGE') && WP_ESTORE_FORCE_LANGUAGE_OF_PAYPAL_PAGE !== '0') {
//Set the country/region preference by force.
$myPaypal->addField('lc', WP_ESTORE_FORCE_LANGUAGE_OF_PAYPAL_PAGE);
}
$myPaypal->addField('cmd', '_cart');
$myPaypal->addField('upload', '1');
$custom_field_val = eStore_get_custom_field_value();
$myPaypal->addField('custom', $custom_field_val);
$myPaypal->addField('mrb', '3FWGC6LFTMTUG');
$page_style_name = get_option('eStore_paypal_co_page_style');
if (!empty($page_style_name)) {
$myPaypal->addField('page_style', $page_style_name);
}
$returnButtonText = get_option('eStore_paypal_return_button_text');
if (!empty($returnButtonText)) {
$myPaypal->addField('cbt', $returnButtonText);
}
// Enable sandbox mode if needed
if ($eStore_sandbox_enabled) {
$myPaypal->enableTestMode();
}
// Lets clear the cart if automatic redirection is not being used otherwise we will empty the cart after the redirection
$PDT_auth_token = get_option('eStore_paypal_pdt_token');
if (empty($PDT_auth_token)) {
reset_eStore_cart();
}
// submit the payment!
$myPaypal->submitPayment2(WP_ESTORE_CLICK_HERE);
}