include/libs/template_lite/plugins/modifier.truncate.php

   1 <?php
   2 /**
   3  * template_lite truncate modifier plugin
   4  *
   5  * Type:     modifier
   6  * Name:     truncate
   7  * Purpose:  Truncate a string to a certain length if necessary,
   8  *           optionally splitting in the middle of a word, and
   9  *           appending the $etc string.
  10  * Credit:   Taken from the original Smarty
  11  *           http://smarty.php.net
  12  */
  13 function tpl_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false)
  14 {
  15         if ($length == 0)
  16         {
  17                 return '';
  18         }
  19
  20         if (strlen($string) > $length)
  21         {
  22                 $length -= strlen($etc);
  23                 if (!$break_words)
  24                 {
  25                         $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));
  26                 }
  27                 return substr($string, 0, $length).$etc;
  28         }
  29         else
  30         {
  31                 return $string;
  32         }
  33 }
  34 ?>