api.php

<?php
/**
 * xLanguage module (eXtensible Language Management For XOOPS)
 *
 * You may not change or alter any portion of this comment or credits
 * of supporting developers from this source code or any supporting source code
 * which is considered copyrighted (c) material of the original comment or credit authors.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * @copyright    XOOPS Project (https://xoops.org)
 * @license      {@link https://www.gnu.org/licenses/gpl-2.0.html GNU Public License}
 * @package      xlanguage
 * @since        2.0
 * @author       D.J.(phppp) php_pp@hotmail.com
 **/

use Xmf\Request;
use XoopsModules\Xlanguage\{
    Helper,
    LanguageHandler,
    Utility
};

/** @var Helper $helper */
/** @var Utility $utility */
/** @var LanguageHandler $languageHandler */

global $xlanguage, $xoopsConfig;

$helper = Helper::getInstance();

require $helper->path( 'include/vars.php');

//$cookie_prefix = preg_replace("/[^a-z_0-9]+/i", "_", preg_replace("/(http(s)?:\/\/)?(www.)?/i", "", XOOPS_URL));
$cookie_var    = XLANGUAGE_LANG_TAG;
$utility       = new Utility();

$xlanguage['action'] = false;
$langTag             = Request::getString(XLANGUAGE_LANG_TAG, '', 'GET');
if (!empty($langTag)) {
    if (!empty($_GET[XLANGUAGE_LANG_TAG])) {
        $cookie_path = '/';
        setcookie($cookie_var, $langTag, time() + 3600 * 24 * 30, $cookie_path, '', 0);
        $xlanguage['lang'] = $langTag;
    } elseif (!empty($_COOKIE[$cookie_var])) {
        $xlanguage['lang'] = $_COOKIE[$cookie_var];

        /* FIXME: shall we remove it? */

        //    if (preg_match("/[&|\?]\b".XLANGUAGE_LANG_TAG."\b=/i",$_SERVER['REQUEST_URI'])) {
        //    } elseif (strpos($_SERVER['REQUEST_URI'], "?")) {
        //        $_SERVER['REQUEST_URI'] .= "&".XLANGUAGE_LANG_TAG."=".$xlanguage["lang"];
        //    } else {
        //        $_SERVER['REQUEST_URI'] .= "?".XLANGUAGE_LANG_TAG."=".$xlanguage["lang"];
        //    }

    } elseif ($lang = $utility::detectLang()) {
        $xlanguage['lang'] = $lang;
    } else {
        $xlanguage['lang'] = $xoopsConfig['language'];
    }

    $helper          = Helper::getInstance();
    $languageHandler = $helper->getHandler('Language');
    $languageHandler->loadConfig();
    $lang = $languageHandler->getByName($xlanguage['lang']);
    if (is_object($lang) && strcasecmp($lang->getVar('lang_name'), $xoopsConfig['language'])) {
        if ($lang->hasBase()) {
            $xoopsConfig['language'] = $lang->getVar('lang_name');
        } else {
            $lang_base = $languageHandler->getByName($lang->getVar('lang_base'));
            if (is_object($lang_base)) {
                $xlanguage['charset_base'] = $lang_base->getVar('lang_charset');
                $xlanguage['charset']      = $lang->getVar('lang_charset') ?? '';
                $xlanguage['code']         = $lang->getVar('lang_code' ?? '');
                $xlanguage['action']       = true;
                $xoopsConfig['language']   = $lang_base->getVar('lang_name');
                unset($lang_base);
            }
        }
        //    if ($lang->getVar('lang_charset')) {
        //        $xlanguage['charset'] = $lang->getVar('lang_charset');
        //    }
        //    if ($lang->getVar('lang_code')) {
        //        $xlanguage['code'] = $lang->getVar('lang_code');
        //    }
    }
    unset($lang);

    $GLOBALS['xlanguageHandler'] = $languageHandler;

    if ($xlanguage['action']) {
        //if (CONV_REQUEST && (!empty($_GET)||!empty($_POST))) {
        if (!empty($_POST)) {
            $in_charset  = $xlanguage['charset'];
            $out_charset = $xlanguage['charset_base'];

            //$CONV_REQUEST_array=array("_GET", "_POST");
            $CONV_REQUEST_array = ['_POST'];
            foreach ($CONV_REQUEST_array as $HV) {
                if (!empty(${$HV})) {
                    ${$HV} = $utility::convertEncoding(${$HV}, $out_charset, $in_charset);
                }
                $GLOBALS['HTTP' . $HV . '_VARS'] = ${$HV};
            }
        }
        ob_start('XoopsModules\Xlanguage\Utility::encodeCharSet');
    } else {
        ob_start('XoopsModules\Xlanguage\Utility::cleanMultiLang');
    }

    /*
     * hardcoded scripts for language switching in theme html files
     *
     * To use it:
     * 1 set "$xlanguage_theme_enable = true;"
     * 2 config options "$options = array("images", " ", 5); // display mode, delimitor, number per line"; Options for display mode: image - flag; text - text; dropdown - dropdown selection box with text
     * 3 insert "<{$smarty.const.XLANGUAGE_SWITCH_CODE}>" into your theme html anywhere you would like to see it present
     */
    $xlanguage_theme_enable = true;
    if (!empty($xlanguage_theme_enable)) {
        $options = ['dropdown', ' ', 5]; // display mode, delimitor, number per line
        $utility::showSelectedLanguage($options);
    }
}