Disable crawling for VIP convenience domains (#5129)

001-core/privacy.php

@@ -457,3 +457,22 @@ function delete_old_export_files() {
 		}
 	}
 }
+
+/**
+ * Disable crawling for go-vip.co and go-vip.net domains.
+ * 
+ * @param string $output The robots.txt content.
+ * @return string The modified robots.txt content.
+ */
+function vip_convenience_domain_robots_txt( $output ) {
+	$host = strtolower( $_SERVER['HTTP_HOST'] ?? '' ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
+	if ( false !== strpos( $host, '.go-vip.co' ) || false !== strpos( $host, '.go-vip.net' ) ) {
+		$output  = "# Crawling is blocked for go-vip.co and go-vip.net domains\n";
+		$output .= "User-agent: *\n";
+		$output .= "Disallow: /\n";
+	}
+
+	return $output;
+}
+// phpcs:ignore WordPressVIPMinimum.Hooks.RestrictedHooks.robots_txt
+add_filter( 'robots_txt', __NAMESPACE__ . '\vip_convenience_domain_robots_txt' );