/**

 * Smarty plugin

 * @package Smarty

 * @subpackage plugins

 */

/**

 * Smarty count_words modifier plugin

 *

 * Type:     modifier

 * Name:     count_words

 * 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);

}

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