original_string: public function load($identifier, ParameterBagInterface $parameterBag)
      {
          $stateFilename = $this->getStateFilename($identifier);
          if (!file_exists($stateFilename)) {
              throw new IOException("State file {$stateFilename} doesn't exist!");
          }
  
          $stateFileContent = file_get_contents($stateFilename);
  
          $parameterBag->add(unserialize($stateFileContent));
      }
code: public function load($identifier, ParameterBagInterface $parameterBag)
      {
          $stateFilename = $this->getStateFilename($identifier);
          if (!file_exists($stateFilename)) {
              throw new IOException("State file {$stateFilename} doesn't exist!");
          }
  
          $stateFileContent = file_get_contents($stateFilename);
  
          $parameterBag->add(unserialize($stateFileContent));
      }
code_tokens: public function load ( $ identifier , ParameterBagInterface $ parameterBag ) { $ stateFilename = $ this -> getStateFilename ( $ identifier ) ; if ( ! file_exists ( $ stateFilename ) ) { throw new IOException ( "State file {$stateFilename} doesn't exist!" ) ; } $ stateFileContent = file_get_contents ( $ stateFilename ) ; $ parameterBag -> add ( unserialize ( $ stateFileContent ) ) ; }
docstring: Loads the parameter bag from a persistent storage.
  
  @param string                $identifier
  @param ParameterBagInterface $parameterBag
  
  @throws IOException If state file doesn't exist.
  
  @return void
docstring_tokens: Loads the parameter bag from a persistent storage .