<?php

/**

 * Smarty shared plugin

 *

 * @package    Smarty

 * @subpackage PluginsShared

 */

if (version_compare(PHP_VERSION, '5.2.3', '>=')) {

    /**

     * escape_special_chars common function

     * Function: smarty_function_escape_special_chars<br>

     * Purpose:  used by other smarty functions to escape

     *           special chars except for already escaped ones

     *

     * @author   Monte Ohrt <monte at ohrt dot com>

     *

     * @param  string $string text that should by escaped

     *

     * @return string

     */

    function smarty_function_escape_special_chars($string) {

        if (!is_array($string)) {

            $string = htmlspecialchars($string, ENT_COMPAT, Smarty::$_CHARSET, false);

        }

        return $string;

    }

} else {

    /**

     * escape_special_chars common function

     * Function: smarty_function_escape_special_chars<br>

     * Purpose:  used by other smarty functions to escape

     *           special chars except for already escaped ones

     *

     * @author   Monte Ohrt <monte at ohrt dot com>

     *

     * @param  string $string text that should by escaped

     *

     * @return string

     */

    function smarty_function_escape_special_chars($string) {

        if (!is_array($string)) {

            $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);

            $string = htmlspecialchars($string);

            $string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);

        }

        return $string;

    }

}