original_string: public function serialize()
      {
          return serialize(
              [
                  $this->id,
                  $this->nameId,
                  $this->institution,
                  $this->email,
                  $this->commonName,
                  $this->preferredLocale
              ]
          );
      }
code: public function serialize()
      {
          return serialize(
              [
                  $this->id,
                  $this->nameId,
                  $this->institution,
                  $this->email,
                  $this->commonName,
                  $this->preferredLocale
              ]
          );
      }
code_tokens: public function serialize ( ) { return serialize ( [ $ this -> id , $ this -> nameId , $ this -> institution , $ this -> email , $ this -> commonName , $ this -> preferredLocale ] ) ; }
docstring: Used so that we can serialize the Identity within the SAMLToken, so we can store the token in a session.
  This to support persistent login
  
  @return string
docstring_tokens: Used so that we can serialize the Identity within the SAMLToken so we can store the token in a session . This to support persistent login