unclead\multipleinput\MultipleInput::initData PHP Method

    protected function initData()
    {
        if ($this->data !== null) {
            return;
        }
        if ($this->value !== null) {
            $this->data = $this->value;
            return;
        }
        if ($this->model instanceof Model) {
            $data = $this->model->hasProperty($this->attribute) ? ArrayHelper::getValue($this->model, $this->attribute, []) : [];
            foreach ((array) $data as $index => $value) {
                $this->data[$index] = $value;
            }
        }
    }