original_string: protected function createReadPdo(array $config)
      {
          $readConfig = $this->getReadConfig($config);
  
          return $this->createConnector($readConfig)->connect($readConfig);
      }
code: protected function createReadPdo(array $config)
      {
          $readConfig = $this->getReadConfig($config);
  
          return $this->createConnector($readConfig)->connect($readConfig);
      }
code_tokens: protected function createReadPdo ( array $ config ) { $ readConfig = $ this -> getReadConfig ( $ config ) ; return $ this -> createConnector ( $ readConfig ) -> connect ( $ readConfig ) ; }
docstring: Create a new PDO instance for reading.
  
  @param  array  $config
  @return \PDO
docstring_tokens: Create a new PDO instance for reading .