library/plugins/modifier.truncate.php

   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 $etc string.
  17  * @link http://smarty.php.net/manual/en/language.modifier.truncate.php
  18  *          truncate (Smarty online manual)
  19  * @param string
  20  * @param integer
  21  * @param string
  22  * @param boolean
  23  * @return string
  24  */
  25 function smarty_modifier_truncate($string, $length = 80, $etc = '...',
  26                                   $break_words = false)
  27 {
  28     if ($length == 0)
  29         return '';
  30
  31     if (strlen($string) > $length) {
  32         $length -= strlen($etc);
  33         if (!$break_words)
  34             $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));
  35
  36         return substr($string, 0, $length).$etc;
  37     } else
  38         return $string;
  39 }
  40
  41 /* vim: set expandtab: */
  42
  43 ?>