private function renderCsrfToken() {
		
		$tokenManager = new CsrfTokenManager();
		$token = $tokenManager->refreshToken('_' . $this->action . '_');

		$e = new InputElement(self::CSRF_TOKEN_NAME, $token->getValue());
		$e->setAttribute('type', 'hidden');
		
		return $e->render();
	}
private function renderCsrfToken() {
		
		$tokenManager = new CsrfTokenManager();
		$token = $tokenManager->refreshToken('_' . $this->action . '_');

		$e = new InputElement(self::CSRF_TOKEN_NAME, $token->getValue());
		$e->setAttribute('type', 'hidden');
		
		return $e->render();
	}
private function renderCsrfToken ( ) { $ tokenManager = new CsrfTokenManager ( ) ; $ token = $ tokenManager -> refreshToken ( '_' . $ this -> action . '_' ) ; $ e = new InputElement ( self :: CSRF_TOKEN_NAME , $ token -> getValue ( ) ) ; $ e -> setAttribute ( 'type' , 'hidden' ) ; return $ e -> render ( ) ; }
render CSRF token element
the token will use the form action as id

@return string
render CSRF token element the token will use the form action as id