Easy Digital Downloads - Google Conversion Tracking Code

edd_google_tracking_code.php

<?php

//Google Analytics E-commerce Tracking code
function your_prefix_google_ecommerce_tracking_code() {
  $success_page = edd_get_option( 'success_page' ) ? is_page( edd_get_option( 'success_page' ) ) : false;
  
  if ( ! $success_page || !edd_is_success_page() ){
    return;
  }
  
  $session = edd_get_purchase_session();      
  
  if ( isset( $_GET[ 'payment_key' ] ) ) {
    $payment_key = urldecode( $_GET[ 'payment_key' ] );
  } elseif ( $edd_receipt_args['payment_key'] ) {
    $payment_key = $edd_receipt_args['payment_key'];
  } else if ( $session ) {
    $payment_key = $session[ 'purchase_key' ];
  }   
  
  if ( ! isset( $payment_key ) ){
    return;
  }
 
  $purchase_key = $session['purchase_key'];
  $price = $session['price'];
  $cart_items = $session['cart_details'];

  ?>

  <script>
    ga('require', 'ecommerce');

    ga('ecommerce:addTransaction', {
      'id': '<?php echo $purchase_key; ?>',
      'affiliation': 'Web Purchase',
      'revenue': '<?php echo $price; ?>',
    });

    <?php

      foreach ($cart_items as $key => $product) {
        echo "
          ga('ecommerce:addItem', {
            'id': '" . $product["id"] . "',
            'name': '" . $product["name"] . "',
            'sku': '" . edd_get_download_sku( $product["id"] ) . "',
            'price': '" . $product["item_price"] . "',
            'quantity': '" . $product["quantity"] . "',
            'currency': 'USD' // local currency code.
          });
        ";
      }

    ?>

    ga('ecommerce:send');
  </script>

  <?php
}

add_action('wp_footer','your_prefix_google_ecommerce_tracking_code');