Merge pull request #23020 from jeffreyqw/remove-deserializefunc

PHP: AbstractCall remove decode method

src/php/lib/Grpc/AbstractCall.php

@@ -114,16 +114,9 @@ abstract class AbstractCall
     protected function _serializeMessage($data)
     {
         // Proto3 implementation
-        if (method_exists($data, 'encode')) {
-            return $data->encode();
-        } elseif (method_exists($data, 'serializeToString')) {
         return $data->serializeToString();
     }
 
-        // Protobuf-PHP implementation
-        return $data->serialize();
-    }
-
     /**
      * Deserialize a response value to an object.
      *
@@ -136,24 +129,12 @@ abstract class AbstractCall
         if ($value === null) {
             return;
         }
-
-        // Proto3 implementation
-        if (is_array($this->deserialize)) {
         list($className, $deserializeFunc) = $this->deserialize;
         $obj = new $className();
-            if (method_exists($obj, $deserializeFunc)) {
-                $obj->$deserializeFunc($value);
-            } else {
         $obj->mergeFromString($value);
-            }
-
         return $obj;
     }
 
-        // Protobuf-PHP implementation
-        return call_user_func($this->deserialize, $value);
-    }
-
     /**
      * Set the CallCredentials for the underlying Call.
      *