original_string: public function isSuperadmin($user_id = null)
      {
          if (isset($user_id)) {
              return $this->getSuperadminId() == $user_id;
          }
  
          return $this->getSuperadminId() == $this->uid;
      }
code: public function isSuperadmin($user_id = null)
      {
          if (isset($user_id)) {
              return $this->getSuperadminId() == $user_id;
          }
  
          return $this->getSuperadminId() == $this->uid;
      }
code_tokens: public function isSuperadmin ( $ user_id = null ) { if ( isset ( $ user_id ) ) { return $ this -> getSuperadminId ( ) == $ user_id ; } return $ this -> getSuperadminId ( ) == $ this -> uid ; }
docstring: Whether the user is super admin
  @param integer|null $user_id
  @return boolean
docstring_tokens: Whether the user is super admin