export.php

		/**
		 * @param $email_address
		 * @param int $page
		 * @return array
		 */
		public function export($email_address, $page = 1)
		{
			global $wpdb;

			$uid = mailchimp_hash_trim_lower($email_address);

			$data = array();

			if (get_site_option('mailchimp_woocommerce_db_mailchimp_carts', false)) {
				$table = "{$wpdb->prefix}mailchimp_carts";
				$statement = "SELECT * FROM $table WHERE id = %s";
				$sql = $wpdb->prepare($statement, $uid);

				if (($saved_cart = $wpdb->get_row($sql)) && !empty($saved_cart)) {
					$data = array('name' => __('Email Address'), 'value' => $email_address);
				}
			}

			// If nothing found, return nothing
			if ( is_array( $data ) && ( count( $data ) < 1 ) ) {
				return ( array( 'data' => array(), 'done' => true ) );
			}

			return array(
				'data' => array(
					array(
						'group_id'    => 'mailchimp_cart',
						'group_label' => __( 'MailChimp Shopping Cart Data', 'mailchimp-woocommerce' ),
						'item_id'     => 'mailing-shopping-cart-1',
						'data'        => array(
							array(
								'name'  => __( 'User ID', 'mailchimp-woocommerce' ),
								'value' => $uid,
							),
							$data, // this is already an associative array with name and value keys
						)
					)
				),
				'done' => true,
			);
		}