Example :
[
  'initialStatusId' => 'draft',
  'status' => [
      'draft'     => [
          'label'      => 'Draft State'
          'transition' => 'published'
      ],
      'published' => [
          'transition' => ['draft','published']
      ],
      'archived'
  ]
]
Inheritance: extends WorkflowArrayParser
 /**
  * 
  */
 public function testCreateInstance()
 {
     Yii::$app->set('parserA', ['class' => DefaultArrayParser::className(), 'validate' => false]);
     verify('validate is assigned', Yii::$app->parserA->validate)->false();
     Yii::$app->set('parserB', ['class' => DefaultArrayParser::className()]);
     verify('validate default value is true', Yii::$app->parserB->validate)->true();
 }
 /**
  * Initialize the parser component to use.
  */
 public function init()
 {
     parent::init();
     if ($this->parser === null) {
         $this->_p = Yii::createObject(['class' => DefaultArrayParser::className()]);
     } elseif ($this->parser === false) {
         $this->_p = null;
     } elseif (is_array($this->parser)) {
         $this->_p = Yii::createObject($this->parser);
     } elseif (is_string($this->parser)) {
         $this->_p = Yii::$app->get($this->parser);
     } elseif (is_object($this->parser)) {
         $this->_p = $this->parser;
     } else {
         throw new InvalidConfigException('invalid "parser" attribute : string or array expected');
     }
     if ($this->_p !== null && !$this->_p instanceof WorkflowArrayParser) {
         throw new InvalidConfigException('the parser component must implement the WorkflowArrayParser interface');
     }
 }