modifier.utf8_truncate.php

一个用PHP编写的

<?php
include_once(PLOG_CLASS_PATH.'class/data/utf8/utf8_funcs.php');

/**
 * Smarty truncate modifier plugin
 *
 * Type:     modifier<br>
 * Name:     utf8_truncate<br>
 * @param string
 * @param integer
 * @param string
 * @param boolean
 * @return string
 */
function smarty_modifier_utf8_truncate($string, $length = 80, $etc = '...',
                                  $break_words = false)
{
    if ($length == 0)
        return '';

    if (utf8_strlen($string) > $length) {
        $length -= strlen($etc);
        if (!$break_words)
            $string = preg_replace('/\s+?(\w+)?$/', '', utf8_substr($string, 0, $length+1));
      
        return utf8_substr($string, 0, $length).$etc;
    } else
        return $string;
}

/* vim: set expandtab: */

?>