Improved truncate in smarty to support Chinese characters. smartytruncate_PHP tutorial

Improved the truncate method in smarty to support Chinese characters, smartytruncate. Improved truncate in smarty to enable it to support Chinese characters. smartytruncate this article describes how to improve truncate in smarty to enable it to support Chinese characters. This article is for your reference. for example, smarty's method of improving truncate to support Chinese characters, smartytruncate

This article describes how to improve truncate in smarty to support Chinese characters. We will share this with you for your reference. The details are as follows:

The truncate of smarty cannot intercept Chinese characters. Change modifier. truncate. php in the plugins under the smarty directory to the following.

<?php/** Smarty plugin* -------------------------------------------------------------* Type:   modifier* Name:   truncate* Purpose: Truncate a string to a certain length if necessary,*      optionally splitting in the middle of a word, and *      appending the $etc string.* Update:  change substr to msubstr and add fun msubstr.so it*      can bu used in chinese charset.* -------------------------------------------------------------*/function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false){  if ($length == 0)    return '';  if (strlen($string) > $length) {    $length -= strlen($etc);    if (!$break_words)      $string = preg_replace('//s+?(/S+)?$/', '', SubstrGB($string, 0, $length+1));    return SubstrGB($string, 0, $length).$etc;  } else    return $string;}function SubstrGB($str,$start,$len){  for($i=0;$i<$start+$len;$i++){    $tmpstr=(ord($str[$i])>=161 && ord($str[$i])<=254&& ord($str[$i+1])>=161 && ord($str[$i+1])<=254)?$str[$i].$str[++$i]:$tmpstr=$str[$i];    if ($i>=$start&&$i<($start+$len))$tmp .=$tmpstr;  }  return $tmp;}/* vim: set expandtab: */?>