Habari\FormControl::save PHP Method

    public function save()
    {
        if ($this->storage instanceof FormStorage) {
            $this->storage->field_save($this->name, $this->value);
        }
        foreach ($this->on_save as $save) {
            $callback = array_shift($save);
            array_unshift($save, $this);
            Method::dispatch_array($callback, $save);
        }
    }