1 <?php

     2 /**

     3  * Smarty plugin

     4  * @package Smarty

     5  * @subpackage plugins

     6  */

     7 

     8 

     9 /**

    10  * Smarty truncate modifier plugin

    11  *

    12  * Type:     modifier<br>

    13  * Name:     truncate<br>

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

    15  *           optionally splitting in the middle of a word, and

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

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

    18  *          truncate (Smarty online manual)

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

    20  * @param string

    21  * @param integer

    22  * @param string

    23  * @param boolean

    24  * @param boolean

    25  * @return string

    26  */

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

    28                                   $break_words = false, $middle = false)

    29 {

    30     if ($length == 0)

    31         return '';

    32 

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

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

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

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

    37         }

    38         if(!$middle) {

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

    40         } else {

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

    42         }

    43     } else {

    44         return $string;

    45     }

    46 }

    47 

    48 /* vim: set expandtab: */

    49 

    50 ?>