<?php

/**

 * Smarty shared plugin

 *

 * @package    Smarty

 * @subpackage PluginsShared

 */

if (!function_exists('smarty_mb_str_replace')) {

    /**

     * Multibyte string replace

     *

     * @param  string $search the string to be searched

     * @param  string $replace the replacement string

     * @param  string $subject the source string

     * @param  int &$count number of matches found

     *

     * @return string replaced string

     * @author Rodney Rehm

     */

    function smarty_mb_str_replace($search, $replace, $subject, &$count = 0) {

        if (!is_array($search) && is_array($replace)) {

            return false;

        }

        if (is_array($subject)) {

            // call mb_replace for each single string in $subject

            foreach ($subject as &$string) {

                $string = &smarty_mb_str_replace($search, $replace, $string, $c);

                $count += $c;

            }

        } elseif (is_array($search)) {

            if (!is_array($replace)) {

                foreach ($search as &$string) {

                    $subject = smarty_mb_str_replace($string, $replace, $subject, $c);

                    $count += $c;

                }

            } else {

                $n = max(count($search), count($replace));

                while ($n--) {

                    $subject = smarty_mb_str_replace(current($search), current($replace), $subject, $c);

                    $count += $c;

                    next($search);

                    next($replace);

                }

            }

        } else {

            $parts = mb_split(preg_quote($search), $subject);

            $count = count($parts) - 1;

            $subject = implode($replace, $parts);

        }

        return $subject;

    }

}