<?php

/**

 * Smarty plugin

 *

 * @package    Smarty

 * @subpackage PluginsModifierCompiler

 */

/**

 * Smarty count_sentences modifier plugin

 * Type:     modifier<br>

 * Name:     count_sentences

 * Purpose:  count the number of sentences in a text

 *

 * @link    http://www.smarty.net/manual/en/language.modifier.count.paragraphs.php

 *          count_sentences (Smarty online manual)

 * @author  Uwe Tews

 *

 * @param array $params parameters

 *

 * @return string with compiled code

 */

function smarty_modifiercompiler_count_sentences($params) {

    // find periods, question marks, exclamation marks with a word before but not after.

    return 'preg_match_all("#\w[\.\?\!](\W|$)#S' . Smarty::$_UTF8_MODIFIER . '", ' . $params[0] . ', $tmp)';

}