public function log()
{
// get log for given log type
if (func_num_args() === 1) {
$arg = func_get_arg(0);
if (is_string($arg)) {
$arg = array('type' => $arg);
}
$result = $this->curl('POST', '/log', $arg);
return $result['value'];
}
// chaining
return new Log($this->url . '/log');
}