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libs/SMARTY/plugins/modifier.truncate.php 1.28 KB
42868d70   andryeyev   Создал GIT
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  <?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) {
          $length -= strlen($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: */
  
  ?>