original_string: public function handle(GetResponseEvent $event)
      {
          if (null !== $this->logger) {
              $this->logger->info('Checking for guard authentication credentials.', array('firewall_key' => $this->providerKey, 'authenticators' => count($this->guardAuthenticators)));
          }
  
          foreach ($this->guardAuthenticators as $key => $guardAuthenticator) {
              // get a key that's unique to *this* guard authenticator
              // this MUST be the same as GuardAuthenticationProvider
              $uniqueGuardKey = $this->providerKey.'_'.$key;
  
              $this->executeGuardAuthenticator($uniqueGuardKey, $guardAuthenticator, $event);
          }
      }
code: public function handle(GetResponseEvent $event)
      {
          if (null !== $this->logger) {
              $this->logger->info('Checking for guard authentication credentials.', array('firewall_key' => $this->providerKey, 'authenticators' => count($this->guardAuthenticators)));
          }
  
          foreach ($this->guardAuthenticators as $key => $guardAuthenticator) {
              // get a key that's unique to *this* guard authenticator
              // this MUST be the same as GuardAuthenticationProvider
              $uniqueGuardKey = $this->providerKey.'_'.$key;
  
              $this->executeGuardAuthenticator($uniqueGuardKey, $guardAuthenticator, $event);
          }
      }
code_tokens: public function handle ( GetResponseEvent $ event ) { if ( null !== $ this -> logger ) { $ this -> logger -> info ( 'Checking for guard authentication credentials.' , array ( 'firewall_key' => $ this -> providerKey , 'authenticators' => count ( $ this -> guardAuthenticators ) ) ) ; } foreach ( $ this -> guardAuthenticators as $ key => $ guardAuthenticator ) { // get a key that's unique to *this* guard authenticator // this MUST be the same as GuardAuthenticationProvider $ uniqueGuardKey = $ this -> providerKey . '_' . $ key ; $ this -> executeGuardAuthenticator ( $ uniqueGuardKey , $ guardAuthenticator , $ event ) ; } }
docstring: Iterates over each authenticator to see if each wants to authenticate the request.
  
  @param GetResponseEvent $event
docstring_tokens: Iterates over each authenticator to see if each wants to authenticate the request .