<?php
use Phwoolcon\Fsm\StateMachine;
$fsm = StateMachine::create([
    'foo' => [
        'process' => 'bar',
    ],
    'bar' => [
        'process2' => 'hello',
        'process3' => 'world',
    ],
]);
echo $fsm->getCurrentState();   // prints foo
echo $fsm->next();              // prints bar
echo $fsm->do('process2');      // prints hello