public function runCustomLogic()
{
$originator = new Originator();
//Setting state to State1
$originator->setState('State1');
//Setting state to State2
$originator->setState('State2');
//Saving State2 to Memento
$this->saveToHistory($originator->getStateAsMemento());
//Setting state to State3
$originator->setState('State3');
// We can request multiple mementos, and choose which one to roll back to.
// Saving State3 to Memento
$this->saveToHistory($originator->getStateAsMemento());
//Setting state to State4
$originator->setState('State4');
$originator->restoreFromMemento($this->getFromHistory(1));
//State after restoring from Memento: State3
return $originator->getStateAsMemento()->getState();
}
public static function run()
{
/* @var $savedStates Memento[] */
$savedStates = array();
$originator = new Originator();
//Setting state to State1
$originator->setState("State1");
//Setting state to State2
$originator->setState("State2");
//Saving State2 to Memento
$savedStates[] = $originator->saveToMemento();
//Setting state to State3
$originator->setState("State3");
// We can request multiple mementos, and choose which one to roll back to.
// Saving State3 to Memento
$savedStates[] = $originator->saveToMemento();
//Setting state to State4
$originator->setState("State4");
$originator->restoreFromMemento($savedStates[1]);
//State after restoring from Memento: State3
}
