diff --git a/google/geo/type/BUILD.bazel b/google/geo/type/BUILD.bazel
index 4e587a6941766..1fcd2eb5ea2ac 100644
--- a/google/geo/type/BUILD.bazel
+++ b/google/geo/type/BUILD.bazel
@@ -80,6 +80,28 @@ py_gapic_assembly_pkg(
     ],
 )
 
+##############################################################################
+# PHP
+##############################################################################
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "php_gapic_assembly_pkg",
+    "php_proto_library",
+)
+
+php_proto_library(
+    name = "viewport_php_proto",
+    deps = [":viewport_proto"],
+)
+
+# Open Source Packages
+php_gapic_assembly_pkg(
+    name = "viewport-php",
+    deps = [
+        ":viewport_php_proto",
+    ],
+)
+
 ##############################################################################
 # C++
 ##############################################################################
diff --git a/google/maps/fleetengine/delivery/v1/BUILD.bazel b/google/maps/fleetengine/delivery/v1/BUILD.bazel
index 0c554ae17a9cc..a3a2d9d5bf745 100644
--- a/google/maps/fleetengine/delivery/v1/BUILD.bazel
+++ b/google/maps/fleetengine/delivery/v1/BUILD.bazel
@@ -219,6 +219,7 @@ php_gapic_library(
     name = "delivery_php_gapic",
     srcs = [":delivery_proto_with_info"],
     grpc_service_config = "fleetengine_delivery_grpc_service_config.json",
+    migration_mode = "NEW_SURFACE_ONLY",
     rest_numeric_enums = True,
     service_yaml = "fleetengine_v1.yaml",
     transport = "grpc+rest",
diff --git a/google/maps/fleetengine/v1/BUILD.bazel b/google/maps/fleetengine/v1/BUILD.bazel
index 74058590f2f39..d5fc48844b2b7 100644
--- a/google/maps/fleetengine/v1/BUILD.bazel
+++ b/google/maps/fleetengine/v1/BUILD.bazel
@@ -220,6 +220,7 @@ php_gapic_library(
     name = "fleetengine_php_gapic",
     srcs = [":fleetengine_proto_with_info"],
     grpc_service_config = "fleetengine_grpc_service_config.json",
+    migration_mode = "NEW_SURFACE_ONLY",
     rest_numeric_enums = True,
     service_yaml = "fleetengine_v1.yaml",
     transport = "grpc+rest",