default[default value]

default[默认值]

test.php:

$smarty = new Smarty;
$smarty->assign('articleTitle', 'Dealers Will Hear Car Talk at Noon.');
$smarty->display('test.html');

test.html:
{$articleTitle|default:"no title"}
{$myTitle|default:"no title"}

输出:
Dealers Will Hear Car Talk at Noon.
no title