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计算变量内容里有多少个字符。

参数顺序	类型	必选参数	默认值	说明
1	boolean	No	`FALSE`	计算总数时是否包括空格字符。

Example 5.4. count_characters


<?php

$smarty->assign('articleTitle', 'Cold Wave Linked to Temperatures.');

?>

模板：


{$articleTitle}
{$articleTitle|count_characters}
{$articleTitle|count_characters:true}

输出：


Cold Wave Linked to Temperatures.
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