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<?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: */
?>
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