woocommerce/shortcodes/shortcode-cart.php

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<?php
/**
* Cart Shortcode
*
* Used on the cart page, the cart shortcode displays the cart contents and interface for coupon codes and other cart bits and pieces.
*
* @package WooCommerce
* @category Shortcode
* @author WooThemes
*/
function get_woocommerce_cart( $atts ) {
global $woocommerce;
return $woocommerce->shortcode_wrapper('woocommerce_cart', $atts);
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}
function woocommerce_cart( $atts ) {
global $woocommerce;
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$woocommerce->nocache();
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if ( ! defined( 'WOOCOMMERCE_CART' ) ) define( 'WOOCOMMERCE_CART', true );
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// Add Discount
if ( ! empty( $_POST['apply_coupon'] ) ) {
if ( ! empty( $_POST['coupon_code'] ) ) {
$woocommerce->cart->add_discount( stripslashes( trim( $_POST['coupon_code'] ) ) );
} else {
$woocommerce->add_error( __('Please enter a coupon code.', 'woocommerce') );
}
// Remove Discount Codes
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} elseif ( isset( $_GET['remove_discounts'] ) ) {
$woocommerce->cart->remove_coupons( $_GET['remove_discounts'] );
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// Update Shipping
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} elseif ( ! empty( $_POST['calc_shipping'] ) && $woocommerce->verify_nonce('cart') ) {
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$validation = $woocommerce->validation();
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$_SESSION['calculated_shipping'] = true;
unset($_SESSION['_chosen_shipping_method']);
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$country = $_POST['calc_shipping_country'];
$state = $_POST['calc_shipping_state'];
$postcode = $_POST['calc_shipping_postcode'];
if ($postcode && ! $validation->is_postcode( $postcode, $country )) :
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$woocommerce->add_error( __('Please enter a valid postcode/ZIP.', 'woocommerce') );
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$postcode = '';
elseif ($postcode) :
$postcode = $validation->format_postcode( $postcode, $country );
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endif;
if ($country) :
// Update customer location
$woocommerce->customer->set_location( $country, $state, $postcode );
$woocommerce->customer->set_shipping_location( $country, $state, $postcode );
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$woocommerce->add_message( __('Shipping costs updated.', 'woocommerce') );
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else :
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$woocommerce->customer->set_to_base();
$woocommerce->customer->set_shipping_to_base();
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$woocommerce->add_message( __('Shipping costs updated.', 'woocommerce') );
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endif;
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}
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// Check cart items are valid
do_action('woocommerce_check_cart_items');
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// Calc totals
$woocommerce->cart->calculate_totals();
if (sizeof($woocommerce->cart->get_cart())==0) :
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woocommerce_get_template( 'cart/empty.php' );
else :
woocommerce_get_template( 'cart/cart.php' );
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endif;
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}