How to handle date from multiple select fields in laravel 5.2

Currently i have created a form field like this in laravel 5.2:

        <li class="form-input-date">    
            <label>Birthday</label>
            <div id="PersonForm_date_of_birth">
                <div class="style-select">
                    
                </div>

                <div class="style-select">
                    
                </div>

                <div class="style-select">
                    
                </div>
            </div>
        </li>

What is the best way to handle this and add the selected data to a single database (date)field?

via Chebli Mohamed