1<?php
2
3/**
4 * Smarty Method ClearConfig
5 *
6 * Smarty::clearConfig() method
7 *
8 * @package    Smarty
9 * @subpackage PluginsInternal
10 * @author     Uwe Tews
11 */
12class Smarty_Internal_Method_ClearConfig
13{
14    /**
15     * Valid for all objects
16     *
17     * @var int
18     */
19    public $objMap = 7;
20
21    /**
22     * clear a single or all config variables
23     *
24     * @api  Smarty::clearConfig()
25     * @link http://www.smarty.net/docs/en/api.clear.config.tpl
26     *
27     * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
28     * @param string|null                                             $name variable name or null
29     *
30     * @return \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty
31     */
32    public function clearConfig(Smarty_Internal_Data $data, $name = null)
33    {
34        if (isset($name)) {
35            unset($data->config_vars[ $name ]);
36        } else {
37            $data->config_vars = array();
38        }
39        return $data;
40    }
41}
42