nl2br[换行符替换成<br /> ]

nl2br[换行符替换成<br /> ]

test.php:
$smarty = new Smarty;
$smarty->assign('articleTitle', "Sun or rain expected\ntoday, dark tonight");
$smarty->display('test.html');

test.html:
{$articleTitle|nl2br}

输出:
Sun or rain expected<br />today, dark tonight