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   1  <?php
   2  /**
   3   * Smarty plugin
   4   * @package Smarty
   5   * @subpackage plugins
   6   */
   7  
   8  
   9  /**
  10   * Smarty count_words modifier plugin
  11   *
  12   * Type:     modifier<br>
  13   * Name:     count_words<br>
  14   * Purpose:  count the number of words in a text
  15   * @link http://smarty.php.net/manual/en/language.modifier.count.words.php
  16   *          count_words (Smarty online manual)
  17   * @author   Monte Ohrt <monte at ohrt dot com>
  18   * @param string
  19   * @return integer
  20   */
  21  function smarty_modifier_count_words($string)
  22  {
  23      // split text by ' ',\r,\n,\f,\t
  24      $split_array = preg_split('/\s+/',$string);
  25      // count matches that contain alphanumerics
  26      $word_count = preg_grep('/[a-zA-Z0-9\\x80-\\xff]/', $split_array);
  27  
  28      return count($word_count);
  29  }
  30  
  31  /* vim: set expandtab: */
  32  
  33  ?>