chore: strip extra slashes when there is no package defined in the protofile

protoc_plugins/protoc-gen-php-grpc/php/template.go

@@ -46,14 +46,16 @@ interface {{ .Service.Name | interface }} extends GRPC\ServiceInterface
     // GRPC specific service name.
     public const NAME = "{{ .File.Package }}.{{ .Service.Name }}";{{ "\n" }}
 {{- range $m := .Service.Method}}
+{{- $inName := name $ns $m.InputType }}
+{{- $outName := name $ns $m.OutputType }}
     /**
     * @param GRPC\ContextInterface $ctx
-    * @param {{ name $ns $m.InputType }} $in
-    * @return {{ name $ns $m.OutputType }}
+    * @param {{ strip_slashes $inName }} $in
+    * @return {{ strip_slashes $outName }}
     *
     * @throws GRPC\Exception\InvokeException
     */
-    public function {{ $m.Name }}(GRPC\ContextInterface $ctx, {{ name $ns $m.InputType }} $in): {{ name $ns $m.OutputType }};
+    public function {{ $m.Name }}(GRPC\ContextInterface $ctx, {{ strip_slashes $inName }} $in): {{ strip_slashes $outName }};
 {{end -}}
 }
 `
@@ -89,6 +91,9 @@ func body(req *plugin.CodeGeneratorRequest, file *desc.FileDescriptorProto, serv
 		"name": func(ns *ns, name *string) string {
 			return ns.resolve(name)
 		},
+		"strip_slashes": func(name string) string {
+			return strings.ReplaceAll(name, "\\\\", "\\")
+		},
 	}).Parse(phpBody))
 
 	err := tpl.Execute(out, data)

protoc_plugins/protoc_test.go

@@ -166,6 +166,7 @@ func Test_UseOfGoogleEmptyMessage(t *testing.T) {
 }
 
 func Test_NoPackage(t *testing.T) {
+	workdir, _ := os.Getwd()
 	tmpdir, err := os.MkdirTemp("", "proto-test")
 	require.NoError(t, err)
 
@@ -182,6 +183,11 @@ func Test_NoPackage(t *testing.T) {
 	}
 	protoc(t, args)
 
+	assertEqualFiles(
+		t,
+		workdir+"/testdata/NoPackage/Test/CustomImport/ServiceInterface.php",
+		tmpdir+"/Test/CustomImport/ServiceInterface.php",
+	)
 	assert.NoError(t, os.RemoveAll("plugin"))
 }
 

protoc_plugins/testdata/NoPackage/Test/CustomImport/ServiceInterface.php

@@ -0,0 +1,22 @@
+<?php
+# Generated by the protocol buffer compiler (roadrunner-server/grpc). DO NOT EDIT!
+# source: NoPackage/nopackage.proto
+
+namespace Test\CustomImport;
+
+use Spiral\RoadRunner\GRPC;
+
+interface ServiceInterface extends GRPC\ServiceInterface
+{
+    // GRPC specific service name.
+    public const NAME = "<nil>.Service";
+
+    /**
+    * @param GRPC\ContextInterface $ctx
+    * @param \Message $in
+    * @return \Message
+    *
+    * @throws GRPC\Exception\InvokeException
+    */
+    public function SimpleMethod(GRPC\ContextInterface $ctx, \Message $in): \Message;
+}