/**
* Gets a state value (from Input if value is set, or from Session, if value is not set)
*
* @param string $key The name of the param
* @param mixed|GetterInterface $default [optional] Default value, or, if instanceof GetterInterface, parent GetterInterface for the default value
* @param string|array $type [optional] default: null: raw. Or const int GetterInterface::COMMAND|GetterInterface::INT|... or array( const ) or array( $key => const )
* @return string|array
*
* @throws \InvalidArgumentException If $key has a namespace/ in it.
*/
public function get($key, $default = null, $type = null)
{
if ($this->input->has($key)) {
$value = $this->input->get($key, $default, $type);
$this->set($key, $value);
return $value;
}
return $this->session->get($this->sessionKeyPrefix . $key, $default, $type);
}
