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從字符串開始處截取某長度的字符，默認(rèn)的長度為80
指定第二個(gè)參數(shù)作為截取字符串的長度
默認(rèn)情況下，smarty會(huì)截取到一個(gè)詞的末尾，
如果需要精確到截取多少個(gè)字符可以使用第三個(gè)參數(shù)，將其設(shè)為”true”
具體用法如下：
復(fù)制代碼 代碼如下:
//index.php $smarty = new Smarty;
$smarty->assign('articleTitle', 'Two Sisters Reunite after Eighteen Years at Checkout Counter.');
$smarty->display('index.tpl');
//index.tpl
{$articleTitle}
{$articleTitle|truncate}
{$articleTitle|truncate:30}
{$articleTitle|truncate:30:""}
{$articleTitle|truncate:30:"---"}
{$articleTitle|truncate:30:"":true}
{$articleTitle|truncate:30:"...":true}
輸出結(jié)果：
Two Sisters Reunite after Eighteen Years at Checkout Counter.
Two Sisters Reunite after Eighteen Years at Checkout Counter.
Two Sisters Reunite after…
Two Sisters Reunite after
Two Sisters Reunite after―
Two Sisters Reunite after Eigh
Two Sisters Reunite after E…
php技術(shù)：解析smarty 截取字符串函數(shù) truncate的用法介紹，轉(zhuǎn)載需保留來源！
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