<?php

/**

 * Smarty plugin

 * @package Smarty

 * @subpackage plugins

 */

/**

 * Smarty truncate modifier plugin

 *

 * Type:     modifier<br>

 * Name:     truncate<br>

 * Purpose:  Truncate a string to a certain length if necessary,

 *           optionally splitting in the middle of a word, and

 *           appending the $etc string or inserting $etc into the middle.

 * @link http://smarty.php.net/manual/en/language.modifier.truncate.php

 *          truncate (Smarty online manual)

 * @author   Monte Ohrt <monte at ohrt dot com>

 * @param string

 * @param integer

 * @param string

 * @param boolean

 * @param boolean

 * @return string

 */

function smarty_modifier_truncate($string, $length = 80, $etc = '...',

                                  $break_words = false, $middle = false)

{

    if ($length == 0)

        return '';

    if (strlen($string) > $length) {

        $length -= min($length, strlen($etc));

        if (!$break_words && !$middle) {

            $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));

        }

        if(!$middle) {

            return substr($string, 0, $length) . $etc;

        } else {

            return substr($string, 0, $length/2) . $etc . substr($string, -$length/2);

        }

    } else {

        return $string;

    }

}

/* vim: set expandtab: */

?>