moodle/lib/smarty/plugins/modifier.count_words.php
gustav_delius 839f2456bb XHTML compliance
- fixed (hopefully) all <img> tags
- global replace on <br> to <br />
- &amp; in URLs
- got the forum module XHTML compliant
Julian Sedding
2004-09-16 17:13:57 +00:00

33 lines
707 B
PHP

<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* Smarty count_words modifier plugin
*
* Type: modifier<br />
* Name: count_words<br />
* Purpose: count the number of words in a text
* @link http://smarty.php.net/manual/en/language.modifier.count.words.php
* count_words (Smarty online manual)
* @param string
* @return integer
*/
function smarty_modifier_count_words($string)
{
// split text by ' ',\r,\n,\f,\t
$split_array = preg_split('/\s+/',$string);
// count matches that contain alphanumerics
$word_count = preg_grep('/[a-zA-Z0-9\\x80-\\xff]/', $split_array);
return count($word_count);
}
/* vim: set expandtab: */
?>