Merge pull request #9416 from thinkerou/update_method_property_visibility

PHP: Update the visibility property  of method
diff --git a/src/php/lib/Grpc/AbstractCall.php b/src/php/lib/Grpc/AbstractCall.php
index 1d51a8e..40387ab 100644
--- a/src/php/lib/Grpc/AbstractCall.php
+++ b/src/php/lib/Grpc/AbstractCall.php
@@ -126,7 +126,7 @@
      *
      * @return string The protobuf binary format
      */
-    protected function serializeMessage($data)
+    protected function _serializeMessage($data)
     {
         // Proto3 implementation
         if (method_exists($data, 'encode')) {
@@ -144,7 +144,7 @@
      *
      * @return mixed The deserialized value
      */
-    protected function deserializeResponse($value)
+    protected function _deserializeResponse($value)
     {
         if ($value === null) {
             return;
diff --git a/src/php/lib/Grpc/BaseStub.php b/src/php/lib/Grpc/BaseStub.php
index a9e77b9..ed504f8 100644
--- a/src/php/lib/Grpc/BaseStub.php
+++ b/src/php/lib/Grpc/BaseStub.php
@@ -146,6 +146,14 @@
     }
 
     /**
+     * Close the communication channel associated with this stub.
+     */
+    public function close()
+    {
+        $this->channel->close();
+    }
+
+    /**
      * @param $new_state Connect state
      *
      * @return bool true if state is CHANNEL_READY
@@ -164,14 +172,6 @@
     }
 
     /**
-     * Close the communication channel associated with this stub.
-     */
-    public function close()
-    {
-        $this->channel->close();
-    }
-
-    /**
      * constructs the auth uri for the jwt.
      *
      * @param string $method The method string
@@ -235,7 +235,7 @@
      *
      * @return SimpleSurfaceActiveCall The active call object
      */
-    public function _simpleRequest($method,
+    protected function _simpleRequest($method,
                                    $argument,
                                    $deserialize,
                                    array $metadata = [],
@@ -270,7 +270,7 @@
      *
      * @return ClientStreamingSurfaceActiveCall The active call object
      */
-    public function _clientStreamRequest($method,
+    protected function _clientStreamRequest($method,
                                          $deserialize,
                                          array $metadata = [],
                                          array $options = [])
@@ -305,7 +305,7 @@
      *
      * @return ServerStreamingSurfaceActiveCall The active call object
      */
-    public function _serverStreamRequest($method,
+    protected function _serverStreamRequest($method,
                                          $argument,
                                          $deserialize,
                                          array $metadata = [],
@@ -339,7 +339,7 @@
      *
      * @return BidiStreamingSurfaceActiveCall The active call object
      */
-    public function _bidiRequest($method,
+    protected function _bidiRequest($method,
                                  $deserialize,
                                  array $metadata = [],
                                  array $options = [])
diff --git a/src/php/lib/Grpc/BidiStreamingCall.php b/src/php/lib/Grpc/BidiStreamingCall.php
index b03bbd2..7cb200d 100644
--- a/src/php/lib/Grpc/BidiStreamingCall.php
+++ b/src/php/lib/Grpc/BidiStreamingCall.php
@@ -69,7 +69,7 @@
             $this->metadata = $read_event->metadata;
         }
 
-        return $this->deserializeResponse($read_event->message);
+        return $this->_deserializeResponse($read_event->message);
     }
 
     /**
@@ -82,7 +82,7 @@
      */
     public function write($data, array $options = [])
     {
-        $message_array = ['message' => $this->serializeMessage($data)];
+        $message_array = ['message' => $this->_serializeMessage($data)];
         if (array_key_exists('flags', $options)) {
             $message_array['flags'] = $options['flags'];
         }
diff --git a/src/php/lib/Grpc/ClientStreamingCall.php b/src/php/lib/Grpc/ClientStreamingCall.php
index c542f08..6454cbc 100644
--- a/src/php/lib/Grpc/ClientStreamingCall.php
+++ b/src/php/lib/Grpc/ClientStreamingCall.php
@@ -63,7 +63,7 @@
      */
     public function write($data, array $options = [])
     {
-        $message_array = ['message' => $this->serializeMessage($data)];
+        $message_array = ['message' => $this->_serializeMessage($data)];
         if (array_key_exists('flags', $options)) {
             $message_array['flags'] = $options['flags'];
         }
@@ -90,6 +90,6 @@
         $status = $event->status;
         $this->trailing_metadata = $status->metadata;
 
-        return [$this->deserializeResponse($event->message), $status];
+        return [$this->_deserializeResponse($event->message), $status];
     }
 }
diff --git a/src/php/lib/Grpc/ServerStreamingCall.php b/src/php/lib/Grpc/ServerStreamingCall.php
index 406512b..8659f6b 100644
--- a/src/php/lib/Grpc/ServerStreamingCall.php
+++ b/src/php/lib/Grpc/ServerStreamingCall.php
@@ -51,7 +51,7 @@
      */
     public function start($data, array $metadata = [], array $options = [])
     {
-        $message_array = ['message' => $this->serializeMessage($data)];
+        $message_array = ['message' => $this->_serializeMessage($data)];
         if (array_key_exists('flags', $options)) {
             $message_array['flags'] = $options['flags'];
         }
@@ -73,7 +73,7 @@
             OP_RECV_MESSAGE => true,
         ])->message;
         while ($response !== null) {
-            yield $this->deserializeResponse($response);
+            yield $this->_deserializeResponse($response);
             $response = $this->call->startBatch([
                 OP_RECV_MESSAGE => true,
             ])->message;
diff --git a/src/php/lib/Grpc/UnaryCall.php b/src/php/lib/Grpc/UnaryCall.php
index 3c1cb15..b8b1ed6 100644
--- a/src/php/lib/Grpc/UnaryCall.php
+++ b/src/php/lib/Grpc/UnaryCall.php
@@ -51,7 +51,7 @@
      */
     public function start($data, array $metadata = [], array $options = [])
     {
-        $message_array = ['message' => $this->serializeMessage($data)];
+        $message_array = ['message' => $this->_serializeMessage($data)];
         if (isset($options['flags'])) {
             $message_array['flags'] = $options['flags'];
         }
@@ -79,6 +79,6 @@
         $status = $event->status;
         $this->trailing_metadata = $status->metadata;
 
-        return [$this->deserializeResponse($event->message), $status];
+        return [$this->_deserializeResponse($event->message), $status];
     }
 }