ManaPHP\Security\CsrfToken::verify PHP Метод

    public function verify()
    {
        if (!$this->_enabled) {
            return;
        }
        if ($this->_useCookie) {
            $token_server = $this->cookies->get($this->_name);
        } else {
            $token_server = $this->session->get($this->_name);
        }
        if ($token_server === null) {
            throw new CsrfTokenException('The CSRF token could not be verified: missing in server');
        } else {
            if ($this->request->get($this->_name)) {
                $token_client = $this->request->get($this->_name);
            } else {
                if ($this->request->hasServer($this->_header)) {
                    $token_client = $this->request->getServer($this->_header);
                }
            }
            if (!isset($token_client)) {
                throw new CsrfTokenException('The CSRF token could not be verified: missing in client');
            }
            if ($token_client !== $token_server) {
                throw new CsrfTokenException('The CSRF token could not be verified: not match');
            }
        }
    }