PHP code example of mouadziani / xstate

1. Go to this page and download the library: Download mouadziani/xstate library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

mouadziani / xstate example snippets


use \Mouadziani\XState\StateMachine;

$video = StateMachine::make();


$video
    ->defaultState('stopped')
    ->states(['playing', 'stopped', 'paused']);


use \Mouadziani\XState\Transition;

$video->transitions([
    new Transition('PLAY', ['stopped', 'paused'], 'playing'),
    new Transition('STOP', 'playing', 'stopped'),
    new Transition('PAUSE', 'playing', 'paused'),
    new Transition('RESUME', 'paused', 'playing'),
]);


use \Mouadziani\XState\Transition;

$video->transitions([
    (new Transition('PLAY', ['stopped', 'paused'], 'playing'))
        ->guard(function ($from, $to) {
            return true;
        })
]);

 
$video = StateMachine::make()
    ->defaultState('playing')
    ->states(['playing', 'stopped', 'paused'])
    ->transitions([
        new Transition('PLAY', ['stopped', 'paused'], 'playing'),
        new Transition('STOP', 'playing', 'stopped'),
        new Transition('PAUSE', 'playing', 'paused'),
    ]);


$video->transitionTo('PLAY');


$video->play();


use \Mouadziani\XState\Exceptions;

try {
    $video->transitionTo('RESUME');
} catch (Exceptions\TransitionNotDefinedException $ex) {
    // the target transition is not defined
} catch (Exceptions\TransitionNotAllowedException $ex) {
    // the target transition is not allowed
}


echo $video->currentState(); // playing


$video->allowedTransitions(); // ['STOP', 'PAUSE']


$video->addTransition(new Transition('TURN_OFF', 'playing', 'stopped'));