header('Content-Type: application/json');
  //same syntax like CActiveDataProvider
  $dataProvider = new JSonActiveDataProvider('Person'); 
  echo $dataProvider->getJsonData(); 

  //in order to get the raw array (before encoding) you can call
  $dataProvider->getArrayData(); 

  //limit the attributes to retrieve from Person
  $dataProvider = new JSonActiveDataProvider('Person', array('attributes' => array('id', 'name')));

  //only retrieve the "name" attribute of Person, same result like array('name')
  $dataProvider = new JSonActiveDataProvider('Person', array('attributes' => 'name'));

  //retrieve relations with all attribute, but no sub relations of "bankAccounts" or "address"
  $dataProvider = new JSonActiveDataProvider('Person', array(
    'attributes' => array('id', 'name'), 
    'relations' => array('bankAccounts', 'address')
  ));

  //same like above, but limit the attribite of the relations and retrieve relation "bank" of each "bankAccounts"
  $dataProvider = new JSonActiveDataProvider('Person', array(
    'attributes' => array('id', 'name'), 
    'relations' => array(
      'bankAccounts' => array(
        'attributes' => array('id', 'account_number'), 
        'relations' => array(
          'bank' => array(
            'attributes' => array('id', 'name')
          )
        )
      )
    )
  ));

  //same like above, but with convenient attribute definition of relations
  $dataProvider = new JSonActiveDataProvider('Person', array(
    'attributes' => array('id', 'name'), 
    'relations' => array(
      'bankAccounts' => array(
        'attributes' => array('id', 'account_number'), 
        'relations' => array(
          'bank' => array('id', 'name')
        )
      )
    )
  ));

  //replacing "id" by "i" and "name" by "n" in all results
  $dataProvider = new JSonActiveDataProvider('Person', array(
    'attributeAliases' => array('id' => 'i', 'name' => 'n'),
    'attributes' => array('id', 'name'), 
    'relations' => array(
      'bankAccounts' => array(
        'attributes' => array('id', 'account_number'), 
        'relations' => array(
          'bank' => array(
            'attributes' => array('id', 'name')
          )
        )
      )
    )
  ));

  //using a callback to manipulate the json outcome manually
  //in this example we us a closure, but any callback as defined here is fine: 
  //http://php.net/manual/en/language.types.callable.php
  
  $callback = function ($model, &$attributeArray, &$relationArray)
	{
		if ($model instanceof Person)
		{
			$attributeArray['bar'] = 'foo';
		}
	};
    
  $dataProvider = new JSonActiveDataProvider('Person', array(
    'onAfterModelToArray' => $callback,
  ));

  //converting a custom model array without JSonActiveDataProvider
  $array = ModelToArrayConverter::instance($myModels)->convert();
  
  //with optional configuration whhich attributes to be converted (third parameter accepts relation config)
  $array = ModelToArrayConverter::instance($myModels, array('id', 'name'))->convert();