title: creating an array and append values to it in smarty template
body: <p>I want to create an array in smarty and do an append functionality in it! Like if I declare a variable in smarty template like <code>{assign var=sizearr value=''}</code> and then i want to append values to this in a loop, and i can access values like <code>{sizearr.0}</code>,  how can i do that?</p>