/**
* Session will expire after given number of seconds of inactivity
*
* @param int $secs
* @return Session
* @throws SessionException
*/
public function setSessionLife(int $secs) : self
{
if ($secs <= 0) {
throw SessionException::configError("sessionLife", "Expiry in seconds must be a positive integer");
}
$this->config->sessionLife = $secs;
return $this;
}