php: fix examples/ directory as well
diff --git a/examples/php/helloworld.php b/examples/php/helloworld.php
index 50923e6..697f52a 100644
--- a/examples/php/helloworld.php
+++ b/examples/php/helloworld.php
@@ -5,154 +5,164 @@
 
 namespace helloworld {
 
-  class HelloRequest extends \DrSlump\Protobuf\Message {
-
-    /**  @var string */
+  class HelloRequest extends \DrSlump\Protobuf\Message
+  {
+      /**  @var string */
     public $name = null;
-    
 
     /** @var \Closure[] */
     protected static $__extensions = array();
 
-    public static function descriptor()
-    {
-      $descriptor = new \DrSlump\Protobuf\Descriptor(__CLASS__, 'helloworld.HelloRequest');
+      public static function descriptor()
+      {
+          $descriptor = new \DrSlump\Protobuf\Descriptor(__CLASS__, 'helloworld.HelloRequest');
 
       // OPTIONAL STRING name = 1
       $f = new \DrSlump\Protobuf\Field();
-      $f->number    = 1;
-      $f->name      = "name";
-      $f->type      = \DrSlump\Protobuf::TYPE_STRING;
-      $f->rule      = \DrSlump\Protobuf::RULE_OPTIONAL;
-      $descriptor->addField($f);
+          $f->number = 1;
+          $f->name = 'name';
+          $f->type = \DrSlump\Protobuf::TYPE_STRING;
+          $f->rule = \DrSlump\Protobuf::RULE_OPTIONAL;
+          $descriptor->addField($f);
 
-      foreach (self::$__extensions as $cb) {
-        $descriptor->addField($cb(), true);
+          foreach (self::$__extensions as $cb) {
+              $descriptor->addField($cb(), true);
+          }
+
+          return $descriptor;
       }
 
-      return $descriptor;
+    /**
+     * Check if <name> has a value.
+     *
+     * @return bool
+     */
+    public function hasName()
+    {
+        return $this->_has(1);
     }
 
     /**
-     * Check if <name> has a value
-     *
-     * @return boolean
-     */
-    public function hasName(){
-      return $this->_has(1);
-    }
-    
-    /**
-     * Clear <name> value
+     * Clear <name> value.
      *
      * @return \helloworld\HelloRequest
      */
-    public function clearName(){
-      return $this->_clear(1);
+    public function clearName()
+    {
+        return $this->_clear(1);
     }
-    
+
     /**
-     * Get <name> value
+     * Get <name> value.
      *
      * @return string
      */
-    public function getName(){
-      return $this->_get(1);
+    public function getName()
+    {
+        return $this->_get(1);
     }
-    
+
     /**
-     * Set <name> value
+     * Set <name> value.
      *
      * @param string $value
+     *
      * @return \helloworld\HelloRequest
      */
-    public function setName( $value){
-      return $this->_set(1, $value);
+    public function setName($value)
+    {
+        return $this->_set(1, $value);
     }
   }
 }
 
 namespace helloworld {
 
-  class HelloReply extends \DrSlump\Protobuf\Message {
-
-    /**  @var string */
+  class HelloReply extends \DrSlump\Protobuf\Message
+  {
+      /**  @var string */
     public $message = null;
-    
 
     /** @var \Closure[] */
     protected static $__extensions = array();
 
-    public static function descriptor()
-    {
-      $descriptor = new \DrSlump\Protobuf\Descriptor(__CLASS__, 'helloworld.HelloReply');
+      public static function descriptor()
+      {
+          $descriptor = new \DrSlump\Protobuf\Descriptor(__CLASS__, 'helloworld.HelloReply');
 
       // OPTIONAL STRING message = 1
       $f = new \DrSlump\Protobuf\Field();
-      $f->number    = 1;
-      $f->name      = "message";
-      $f->type      = \DrSlump\Protobuf::TYPE_STRING;
-      $f->rule      = \DrSlump\Protobuf::RULE_OPTIONAL;
-      $descriptor->addField($f);
+          $f->number = 1;
+          $f->name = 'message';
+          $f->type = \DrSlump\Protobuf::TYPE_STRING;
+          $f->rule = \DrSlump\Protobuf::RULE_OPTIONAL;
+          $descriptor->addField($f);
 
-      foreach (self::$__extensions as $cb) {
-        $descriptor->addField($cb(), true);
+          foreach (self::$__extensions as $cb) {
+              $descriptor->addField($cb(), true);
+          }
+
+          return $descriptor;
       }
 
-      return $descriptor;
+    /**
+     * Check if <message> has a value.
+     *
+     * @return bool
+     */
+    public function hasMessage()
+    {
+        return $this->_has(1);
     }
 
     /**
-     * Check if <message> has a value
-     *
-     * @return boolean
-     */
-    public function hasMessage(){
-      return $this->_has(1);
-    }
-    
-    /**
-     * Clear <message> value
+     * Clear <message> value.
      *
      * @return \helloworld\HelloReply
      */
-    public function clearMessage(){
-      return $this->_clear(1);
+    public function clearMessage()
+    {
+        return $this->_clear(1);
     }
-    
+
     /**
-     * Get <message> value
+     * Get <message> value.
      *
      * @return string
      */
-    public function getMessage(){
-      return $this->_get(1);
+    public function getMessage()
+    {
+        return $this->_get(1);
     }
-    
+
     /**
-     * Set <message> value
+     * Set <message> value.
      *
      * @param string $value
+     *
      * @return \helloworld\HelloReply
      */
-    public function setMessage( $value){
-      return $this->_set(1, $value);
+    public function setMessage($value)
+    {
+        return $this->_set(1, $value);
     }
   }
 }
 
 namespace helloworld {
 
-  class GreeterClient extends \Grpc\BaseStub {
-
-    public function __construct($hostname, $opts) {
-      parent::__construct($hostname, $opts);
-    }
+  class GreeterClient extends \Grpc\BaseStub
+  {
+      public function __construct($hostname, $opts)
+      {
+          parent::__construct($hostname, $opts);
+      }
     /**
      * @param helloworld\HelloRequest $input
      */
-    public function SayHello(\helloworld\HelloRequest $argument, $metadata = array(), $options = array()) {
-      return $this->_simpleRequest('/helloworld.Greeter/SayHello', $argument, '\helloworld\HelloReply::deserialize', $metadata, $options);
+    public function SayHello(\helloworld\HelloRequest $argument, $metadata = array(), $options = array())
+    {
+        return $this->_simpleRequest('/helloworld.Greeter/SayHello', $argument, '\helloworld\HelloReply::deserialize', $metadata, $options);
     }
   }
 }