CAS_Client::ensureAuthenticationCallSuccessful PHP Method

    public function ensureAuthenticationCallSuccessful()
    {
        $this->_ensureAuthenticationCalled();
        if (!$this->_authentication_caller['result']) {
            throw new CAS_OutOfSequenceException('authentication was checked (by ' . $this->getAuthenticationCallerMethod() . '() at ' . $this->getAuthenticationCallerFile() . ':' . $this->getAuthenticationCallerLine() . ') but the method returned false');
        }
    }