original_string: public function mergeExtension($name, array $config)
      {
          $this->addExtension($name, array_merge(
              $this->getExtension($name),
              $config
          ));
      }
code: public function mergeExtension($name, array $config)
      {
          $this->addExtension($name, array_merge(
              $this->getExtension($name),
              $config
          ));
      }
code_tokens: public function mergeExtension ( $ name , array $ config ) { $ this -> addExtension ( $ name , array_merge ( $ this -> getExtension ( $ name ) , $ config ) ) ; }
docstring: Merge with current extension configuration, overwriting with new values.
  
  @param string $name
  @param array  $config
  
  @return void
docstring_tokens: Merge with current extension configuration overwriting with new values .