original_string: protected function getToken($requestToken)
      {
          $prefix = $this->options['token_prefix'];
          if (null === $prefix) {
              return $requestToken;
          }
  
          if (null === $requestToken) {
              return $requestToken;
          }
  
          $requestToken = trim(str_replace($prefix, "", $requestToken));
  
          return $requestToken;
      }
code: protected function getToken($requestToken)
      {
          $prefix = $this->options['token_prefix'];
          if (null === $prefix) {
              return $requestToken;
          }
  
          if (null === $requestToken) {
              return $requestToken;
          }
  
          $requestToken = trim(str_replace($prefix, "", $requestToken));
  
          return $requestToken;
      }
code_tokens: protected function getToken ( $ requestToken ) { $ prefix = $ this -> options [ 'token_prefix' ] ; if ( null === $ prefix ) { return $ requestToken ; } if ( null === $ requestToken ) { return $ requestToken ; } $ requestToken = trim ( str_replace ( $ prefix , "" , $ requestToken ) ) ; return $ requestToken ; }
docstring: Convert token with prefix to normal token
  
  @param $requestToken
  
  @return string
docstring_tokens: Convert token with prefix to normal token