backwards compatibility

includes/class-wc-emails.php

@@ -289,6 +289,7 @@ class WC_Emails {
 		return str_replace(
 			array(
 				'{site_title}',
+				'{site_address}',
 				'{site_url}',
 				'{woocommerce}',
 				'{WooCommerce}',
@@ -296,6 +297,7 @@ class WC_Emails {
 			array(
 				$this->get_blogname(),
 				$domain,
+				$domain,
 				'<a href="https://woocommerce.com">WooCommerce</a>',
 				'<a href="https://woocommerce.com">WooCommerce</a>',
 			),

includes/emails/class-wc-email.php

@@ -232,6 +232,7 @@ class WC_Email extends WC_Settings_API {
 		$this->placeholders = array_merge(
 			array(
 				'{site_title}'   => $this->get_blogname(),
+				'{site_address}' => wp_parse_url( home_url(), PHP_URL_HOST ),
 				'{site_url}' => wp_parse_url( home_url(), PHP_URL_HOST ),
 			),
 			$this->placeholders