how to retrieve the values of mulple list?

[eluser]Nagabhushana[/eluser]
how to retrieve the values of mulple list?

example html code is follows

<select class= "box-small13" id="community[] " name="community[]" size=5 multiple style='width:150px';>
<option value=item1 >item1</option>
<option value=item2 >item2</option> <option value=item3 >item3</option> <option value=item4 >item4</option> <option value=item5 >item5</option> <option value=item6 >item6</option> <option value=item7 >item7</option> </select>

thank u