Horde_Smtp::_getEncryptKey PHP Method

_getEncryptKey() protected method

Get encryption key.
Deprecation:
protected _getEncryptKey ( ) : string
return string The encryption key.
    protected function _getEncryptKey()
    {
        if (is_callable($ekey = $this->getParam('password_encrypt'))) {
            return call_user_func($ekey);
        }
        throw new InvalidArgumentException('password_encrypt parameter is not a valid callback.');
    }