diff --git a/src/php/lib/Grpc/AbstractCall.php b/src/php/lib/Grpc/AbstractCall.php
index e24be3fc763..c4d56790f75 100644
--- a/src/php/lib/Grpc/AbstractCall.php
+++ b/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;
         }
 
diff --git a/src/php/lib/Grpc/BaseStub.php b/src/php/lib/Grpc/BaseStub.php
index 36d94cae2c9..d0baeae955b 100644
--- a/src/php/lib/Grpc/BaseStub.php
+++ b/src/php/lib/Grpc/BaseStub.php
@@ -252,7 +252,7 @@ class BaseStub
      *
      * @param string   $method      The name of the method to call
      * @param array    $arguments   An array or Traversable of arguments to stream to the
-     *     server
+     *                              server
      * @param callable $deserialize A function that deserializes the response
      * @param array    $metadata    A metadata map to send to the server
      *
diff --git a/src/php/tests/interop/interop_client.php b/src/php/tests/interop/interop_client.php
index 3d62e86ab04..d201915d668 100755
--- a/src/php/tests/interop/interop_client.php
+++ b/src/php/tests/interop/interop_client.php
@@ -477,10 +477,10 @@ function statusCodeAndMessage($stub)
     list($result, $status) = $call->wait();
 
     hardAssert($status->code === 2,
-               'Received unexpected UnaryCall status code: ' .
+               'Received unexpected UnaryCall status code: '.
                $status->code);
     hardAssert($status->details === 'test status message',
-               'Received unexpected UnaryCall status details: ' .
+               'Received unexpected UnaryCall status details: '.
                $status->details);
 
     $streaming_call = $stub->FullDuplexCall();
@@ -493,10 +493,10 @@ function statusCodeAndMessage($stub)
 
     $status = $streaming_call->getStatus();
     hardAssert($status->code === 2,
-               'Received unexpected FullDuplexCall status code: ' .
+               'Received unexpected FullDuplexCall status code: '.
                $status->code);
     hardAssert($status->details === 'test status message',
-               'Received unexpected FullDuplexCall status details: ' .
+               'Received unexpected FullDuplexCall status details: '.
                $status->details);
 }
 
diff --git a/src/php/tests/unit_tests/CallTest.php b/src/php/tests/unit_tests/CallTest.php
index 1205f0cd8eb..f60eb96730f 100644
--- a/src/php/tests/unit_tests/CallTest.php
+++ b/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);