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   1  <?php
   2  /**
   3   * Smarty plugin
   4   * @package Smarty
   5   * @subpackage plugins
   6   */
   7  
   8  
   9  /**
  10   * Smarty count_sentences modifier plugin
  11   *
  12   * Type:     modifier<br>
  13   * Name:     count_sentences
  14   * Purpose:  count the number of sentences in a text
  15   * @link http://smarty.php.net/manual/en/language.modifier.count.paragraphs.php
  16   *          count_sentences (Smarty online manual)
  17   * @param string
  18   * @return integer
  19   */
  20  function smarty_modifier_count_sentences($string)
  21  {
  22      // find periods with a word before but not after.
  23      return preg_match_all('/[^\s]\.(?!\w)/', $string, $match);
  24  }
  25  
  26  /* vim: set expandtab: */
  27  
  28  ?>