[BUG]: Form with field that is not part of the Model raised deprecated warning on bind()

[noone-silent]

Describe the bug
If you have a form with a field, that is not part of the model you bind the form to, the form will dynamically add the field to the model, which raises a deprecated warning.

Deprecated: Creation of dynamic property Model::$attribute is deprecated

To Reproduce

class TestModel extends \Phalcon\Mvc\Model
{
  public ?string $inModel = null;
}

class TestForm extends \Phalcon\Forms\Form
{
  public function initialize(TestModel $entity): void
  {
    $this->add(new \Phalcon\Forms\Element\Check('notInModel', ['value' => 1]));
    $this->add(new \Phalcon\Forms\Element\Text('inModel', ['value' => $entity->inModel]));
  }
}

$testModel = new TestModel();
$testForm = new TestForm($testModel);

// Result: Deprecated: Creation of dynamic property TestModel::$notInModel is deprecated
$testForm->bind(['inModel' => 'test 123', 'notInModel' => '1'], $testModel);

Expected behavior
Form should only fill fields that are part of the entity using model metadata only. If there is not metadata then use reflection.

Screenshots

Details

• Phalcon version: 5.6.2
• PHP Version: 8.2
• Operating System: debian
• Installation type: installing via package manager
• Zephir version (if any): none
• Server: Nginx
• Other related info (Database, table schema): -

Additional context

[noone-silent]

https://github.com/phalcon/cphalcon/blob/master/phalcon/Forms/Form.zep#L257

I think a property_exists($entity, $key) would help here.

There is also a better way to only allow public properties: https://www.php.net/manual/de/function.property-exists.php#129001

[niden]

Resolved in #16575

Thank you again @noone-silent