update php style

src/php/lib/Grpc/AbstractCall.php

@@ -35,7 +35,7 @@
 namespace Grpc;
 
 /**
- * Class AbstractCall
+ * Class AbstractCall.
  * @package Grpc
  */
 abstract class AbstractCall
@@ -121,13 +121,14 @@ abstract class AbstractCall
     }
 
     /**
-     * Serialize a message to the protobuf binary format
+     * Serialize a message to the protobuf binary format.
      *
      * @param mixed $data The Protobuf message
      *
      * @return string The protobuf binary format
      */
-    protected function serializeMessage($data) {
+    protected function serializeMessage($data)
+    {
         // Proto3 implementation
         if (method_exists($data, 'encode')) {
             return $data->encode();
@@ -155,6 +156,7 @@ abstract class AbstractCall
             list($className, $deserializeFunc) = $this->deserialize;
             $obj = new $className();
             $obj->$deserializeFunc($value);
+
             return $obj;
         }
 

src/php/tests/unit_tests/CallTest.php

@@ -94,7 +94,7 @@ class CallTest extends PHPUnit_Framework_TestCase
         $batch = [
             Grpc\OP_SEND_INITIAL_METADATA => ['key1' => ['value1'],
                                               'key2' => ['value2',
-                                                         'value3'], ],
+                                                         'value3', ], ],
         ];
         $result = $this->call->startBatch($batch);
         $this->assertTrue($result->send_metadata);