Cat modified update

I've a problem with the cat modifier I would to append a string only if the "main" string is not empty... {$string|cat:" - "} don't work then I modified the plugin link as following.... some comments? <?php /** * Smarty plugin * @package Smarty * @subpackage plugins */ /** * Smarty cat modifier plugin *

* Type:     modifier<br>
* Name:     cat<br>
* Date:     Feb 24, 2003

* Purpose: catenate a value to a variable

* Input:    string to catenate

* Example: {$var|cat:"foo"} * @link http://smarty.php.net/manual/en/language.modifier.cat.php cat

*          (Smarty online manual)

* @author Monte Ohrt <monte at ohrt dot com> * @version 1.0 * @param string * @param string * @return string */ function smarty_modifier_cat($string, $cat, $if_empty_nothing = false) { if($if_empty_nothing && $string == "")

       return "";

else

       return $string.$cat;

} /* vim: set expandtab: */ ?>