Cake\View\Helper\FormHelper::month PHP Метод

    public function month($fieldName, array $options = [])
    {
        $options = $this->_singleDatetime($options, 'month');
        if (isset($options['val']) && $options['val'] > 0 && $options['val'] <= 12) {
            $options['val'] = ['year' => date('Y'), 'month' => (int) $options['val'], 'day' => date('d')];
        }
        return $this->dateTime($fieldName, $options);
    }

 public function month($fieldName, array $options = [])
 {
     $options = $this->_injectStyles($options, 'form-control');
     return parent::month($fieldName, $options);
 }