Move math_server.js out of examples/ directory

src/php/README.md

@@ -294,9 +294,9 @@ Run a local server serving the math services. Please see [Node][] for how to
 run an example server.
 
 ```sh
-$ cd grpc/examples/node
+$ cd grpc/src/php/tests/generated_code
 $ npm install
-$ node dynamic_codegen/math_server.js
+$ node math_server.js
 ```
 
 ### Run test client

src/php/tests/generated_code/math_server.js

@@ -16,7 +16,7 @@
  *
  */
 
-var PROTO_PATH = __dirname + '/../../../src/proto/math/math.proto';
+var PROTO_PATH = __dirname + '/../../../proto/math/math.proto';
 
 var grpc = require('grpc');
 var protoLoader = require('@grpc/proto-loader');

src/php/tests/generated_code/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "grpc-examples",
+  "version": "0.1.0",
+  "dependencies": {
+    "@grpc/proto-loader": "^0.1.0",
+    "async": "^1.5.2",
+    "grpc": "^1.11.0",
+    "lodash": "^4.6.1",
+    "minimist": "^1.2.0"
+  }
+}