<?php 
function smarty_modifier_truncate($string, $sublen = 80, $etc = '...',  $break_words = false, $middle = false)
{
	$start=0;
	$code="UTF-8";
   if($code == 'UTF-8') { 
       $pa = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/"; 
       preg_match_all($pa, $string, $t_string);
       if(count($t_string[0]) - $start > $sublen) return join('', array_slice($t_string[0], $start, $sublen)).$etc; 
       return join('', array_slice($t_string[0], $start, $sublen)); 
   } else  { 
       $start = $start*2; 
       $sublen = $sublen*2; 
       $strlen = strlen($string); 
       $tmpstr = '';
       for($i=0; $i<$strlen; $i++){ 
           if($i>=$start && $i<($start+$sublen)) { 
               if(ord(substr($string, $i, 1))>129) { 
                   $tmpstr.= substr($string, $i, 2); 
               } else { 
                   $tmpstr.= substr($string, $i, 1); 
               } 
           } 
           if(ord(substr($string, $i, 1))>129) $i++; 
       } 
       if(strlen($tmpstr)<$strlen ) $tmpstr.= $etc; 
       return $tmpstr; 
   } 
} 

?>
