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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   * @param string
  18   * @return integer
  19   */
  20  function smarty_modifier_count_words($string)
  21  {
  22      // split text by ' ',\r,\n,\f,\t
  23      $split_array = preg_split('/\s+/',$string);
  24      // count matches that contain alphanumerics
  25      $word_count = preg_grep('/[a-zA-Z0-9\\x80-\\xff]/', $split_array);
  26  
  27      return count($word_count);
  28  }
  29  
  30  /* vim: set expandtab: */
  31  
  32  ?>