library/plugins/modifier.count_words.php

   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 ?>