* Name: replace
* Purpose: simple search/replace
*
* @link http://smarty.php.net/manual/en/language.modifier.replace.php replace (Smarty online manual)
* @author Monte Ohrt
* @author Uwe Tews
*
* @param string $string input string
* @param string $search text to search for
* @param string $replace replacement text
*
* @return string
*/
function smarty_modifier_substr($string, $len)
{
if(strlen($string)>$len) {
$res=mb_substr(strip_tags($string), 0, $len, 'UTF-8') . '...';
}else {
$res=$string;
}
return $res;
}