modifier.truncate.php
上传用户:xjjlds
上传日期:2015-12-05
资源大小:22823k
文件大小:1k
- <?php
- /**
- * Smarty plugin
- * @package Smarty
- * @subpackage plugins
- */
- /**
- * Smarty truncate modifier plugin
- *
- * Type: modifier<br>
- * Name: truncate<br>
- * Purpose: Truncate a string to a certain length if necessary,
- * optionally splitting in the middle of a word, and
- * appending the $etc string.
- * @link http://smarty.php.net/manual/en/language.modifier.truncate.php
- * truncate (Smarty online manual)
- * @param string
- * @param integer
- * @param string
- * @param boolean
- * @return string
- */
- function smarty_modifier_truncate($string, $length = 80, $etc = '...',
- $break_words = false)
- {
- if ($length == 0)
- return '';
- if (strlen($string) > $length) {
- $length -= strlen($etc);
- if (!$break_words)
- $string = preg_replace('/s+?(S+)?$/', '', substr($string, 0, $length+1));
-
- return substr($string, 0, $length).$etc;
- } else
- return $string;
- }
- /* vim: set expandtab: */
- ?>