This is used to count the number of words in a variable. 计算变量里的词数 。
Example 5-7. count_words
index.php:
$smarty = new Smarty;
$smarty->assign("articleTitle", "Dealers Will Hear Car Talk at Noon.");
$smarty->display("index.tpl");
index.tpl:
{$articleTitle}
{$articleTitle|count_words}
OUTPUT:
Dealers Will Hear Car Talk at Noon.
7
