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php-e107/e107_handlers/language_class.php

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<?php
/*
* e107 website system
*
* Copyright (C) 2008-2010 e107 Inc (e107.org)
* Released under the terms and conditions of the
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
*
* Language handler
*
*/
/**
* @package e107
* @subpackage e107_handlers
* @version $Id$
*/
class language{
// http://www.loc.gov/standards/iso639-2/php/code_list.php
// Valid Language Pack Names are shown directly below on the right.
public $detect = FALSE;
public $e_language = 'English'; // replaced later with $pref
public $_cookie_domain = '';
/**
* Cached list of Installed Language Packs
* @var array
*/
protected $lanlist = null; // null is important!!!
protected $list = array(
"aa" => "Afar",
"ab" => "Abkhazian",
"af" => "Afrikaans",
"am" => "Amharic",
"ar" => "Arabic",
"as" => "Assamese",
"ae" => "Avestan",
"ay" => "Aymara",
"az" => "Azerbaijani",
"ba" => "Bashkir",
"be" => "Belarusian",
"bn" => "Bengali",
"bh" => "Bihari",
"bi" => "Bislama",
"bo" => "Tibetan",
"bs" => "Bosnian",
"br" => "Breton",
"bg" => "Bulgarian",
"ca" => "Catalan",
"cs" => "Czech",
"ch" => "Chamorro",
"ce" => "Chechen",
"cn" => "ChineseSimp",
"cv" => "Chuvash",
"kw" => "Cornish",
"co" => "Corsican",
"cy" => "Welsh",
"da" => "Danish",
"de" => "German",
"dz" => "Dzongkha",
"el" => "Greek",
"en" => "English",
"eo" => "Esperanto",
"et" => "Estonian",
"eu" => "Basque",
"fo" => "Faroese",
"fa" => "Persian",
"fj" => "Fijian",
"fi" => "Finnish",
"fr" => "French",
"fy" => "Frisian",
"gd" => "Gaelic",
"ga" => "Irish",
"gl" => "Gallegan",
"gv" => "Manx",
"gn" => "Guarani",
"gu" => "Gujarati",
"ha" => "Hausa",
"he" => "Hebrew",
"hz" => "Herero",
"hi" => "Hindi",
"ho" => "Hiri Motu",
"hr" => "Croatian",
"hu" => "Hungarian",
"hy" => "Armenian",
"iu" => "Inuktitut",
"ie" => "Interlingue",
"id" => "Indonesian",
"ik" => "Inupiaq",
"is" => "Icelandic",
"it" => "Italian",
"jw" => "Javanese",
"ja" => "Japanese",
"kl" => "Kalaallisut",
"kn" => "Kannada",
"ks" => "Kashmiri",
"ka" => "Georgian",
"kk" => "Kazakh",
"km" => "Khmer",
"ki" => "Kikuyu",
"rw" => "Kinyarwanda",
"ky" => "Kirghiz",
"kv" => "Komi",
"ko" => "Korean",
"ku" => "Kurdish",
"lo" => "Lao",
"la" => "Latin",
"lv" => "Latvian",
"ln" => "Lingala",
"lt" => "Lithuanian",
"lb" => "Letzeburgesch",
"mh" => "Marshall",
"ml" => "Malayalam",
"mr" => "Marathi",
"mk" => "Macedonian",
"mg" => "Malagasy",
"mt" => "Maltese",
"mo" => "Moldavian",
"mn" => "Mongolian",
"mi" => "Maori",
"ms" => "Malay",
"my" => "Burmese",
"na" => "Nauru",
"nv" => "Navajo",
"ng" => "Ndonga",
"ne" => "Nepali",
"nl" => "Dutch",
"no" => "Norwegian",
"ny" => "Chichewa",
"or" => "Oriya",
"om" => "Oromo",
"pa" => "Panjabi",
"pi" => "Pali",
"pl" => "Polish",
"pt" => "Portuguese",
"ps" => "Pushto",
"qu" => "Quechua",
"ro" => "Romanian",
"rn" => "Rundi",
"ru" => "Russian",
"sg" => "Sango",
"sa" => "Sanskrit",
"si" => "Sinhala",
"sk" => "Slovak",
"sl" => "Slovenian",
"sm" => "Samoan",
"sn" => "Shona",
"sd" => "Sindhi",
"so" => "Somali",
"es" => "Spanish",
"sq" => "Albanian",
"sc" => "Sardinian",
"sr" => "Serbian",
"ss" => "Swati",
"su" => "Sundanese",
"sw" => "Swahili",
"sv" => "Swedish",
"ty" => "Tahitian",
"ta" => "Tamil",
"tt" => "Tatar",
"te" => "Telugu",
"tg" => "Tajik",
"tl" => "Tagalog",
"th" => "Thai",
"ti" => "Tigrinya",
"tn" => "Tswana",
"ts" => "Tsonga",
"tk" => "Turkmen",
"tr" => "Turkish",
"tw" => "ChineseTrad",
"ug" => "Uighur",
"uk" => "Ukrainian",
"ur" => "Urdu",
"uz" => "Uzbek",
"vi" => "Vietnamese",
"wo" => "Wolof",
"xh" => "Xhosa",
"yi" => "Yiddish",
"yo" => "Yoruba",
"za" => "Zhuang",
// "zh" => "Chinese",
"zu" => "Zulu"
);
protected $names = array(
"Arabic" => "العربية",
"Bengali" => "বাংলা",
"Bosnian" => "Bosanski",
"Bulgarian" => "Български",
"Croatian" => "Hrvatski",
"ChineseTrad" => "繁体中文",
"ChineseSimp" => "简体中文",
"Czech" => "Čeština",
"Dutch" => "Nederlands",
"English" => "English",
"Estonian" => "Eesti",
"French" => "Français",
"Finnish" => "Suomi",
"German" => "Deutsch",
"Greek" => "Ελληνικά",
"Hebrew" => "עִבְרִית",
"Hindi" => "हिन्दी",
"Hungarian" => "Magyar",
"Icelandic" => "íslenska",
"Indonesian" => "Bahasa Indonesia",
"Italian" => "Italiano",
"Japanese" => "日本語",
"Khmer" => "ខ្មែរ",
"Korean" => "한국어",
"Lithuanian" => "Lietuvių",
"Mongolian" => "Монгол",
"Nepali" => "नेपाली",
"Norwegian" => "Norsk",
"Persian" => "فارسي",
"Portuguese" => "Português",
"Polish" => "Polski",
"Romanian" => "Română",
"Russian" => "Pусский",
"Serbian" => "Српски",
"Sinhala" => "සිංහල",
"Spanish" => "Español",
"Slovenian" => "Slovensko",
"Slovakian" => "Slovensky",
"Slovak" => "Slovensky",
"Swedish" => "Svenska",
"Thai" => "ภาษาไทย",
"Turkish" => "Türkçe",
"Vietnamese" => "Tiếng Việt"
);
/**
* Converts iso to language-name and visa-versa.
* @param object $data
* @return
*/
function convert($data){
if(strlen($data) > 2)
{
$tmp = array_flip($this->list);
return isset($tmp[$data]) ? $tmp[$data] : FALSE;
}
else
{
return (isset($this->list[$data])) ? $this->list[$data] : FALSE;
}
}
// -------------------------------------------------------------------
/**
* Check if a Language is installed and valid
* @param object $lang - Language to check. eg. 'es' or 'Spanish'
* @return FALSE or the name of the valid Language
*/
function isValid($lang='')
{
global $pref;
if(!$lang)
{
return (ADMIN_AREA && vartrue($pref['adminlanguage'])) ? $pref['adminlanguage'] : $pref['sitelanguage'];
}
if(strpos($lang,"debug")!==FALSE)
{
return FALSE;
}
if(strlen($lang)== 2)
{
$iso = $lang;
$lang = $this->convert($lang);
}
else
{
$iso = $this->convert($lang);
}
if($iso==FALSE || $lang==FALSE)
{
$diz = ($lang) ? $lang : $iso;
trigger_error("The selected language (".$diz.") is invalid. See e107_handlers/language_class.php for a list of valid languages. ", E_USER_ERROR);
return FALSE;
}
if(is_readable(e_LANGUAGEDIR.$lang.'/'.$lang.'.php'))
{
return $lang;
}
else
{
trigger_error("The selected language (".$lang.") was not found.", E_USER_ERROR);
return FALSE;
}
return FALSE;
}
/**
* Check if the specified domain has multi-language subdomains enabled.
* @return
*/
function isLangDomain($domain='')
{
if(!$domain)
{
return FALSE;
}
global $pref;
$mtmp = explode("\n", $pref['multilanguage_subdomain']);
foreach($mtmp as $val)
{
if($domain == trim($val))
{
return TRUE;
}
}
return FALSE;
}
/**
* Generic variable translator for LAN definitions.
* @example $lng->translate("My name is [x] and I own a [y]", array('x'=>"John", 'y'=>"Cat"));
*/
function translate($lan, $array= array())
{
foreach($array as $k=>$v)
{
$search[] = "[".$k."]";
$replace[] = "<b>".$v."</b>";
}
return str_replace($search, $replace, $lan);
}
/**
* Return a list of Installed Language Packs
*
* @return array
*/
function installed()
{
if(null == $this->lanlist)
{
$fl = e107::getFile();
$dirArray = $fl->get_dirs(e_LANGUAGEDIR);
// $handle = opendir(e_LANGUAGEDIR);
$lanlist = array();
// while ($file = readdir($handle))
foreach($dirArray as $file)
{
if ($file != '.' && $file != '..' && is_readable(e_LANGUAGEDIR.$file.'/'.$file.'.php'))
{
$lanlist[] = $file;
}
}
// closedir($handle);
$this->lanlist = array_intersect($lanlist,$this->list);
}
return $this->lanlist;
}
/**
* Convert a Language to its Native title. eg. 'Spanish' becomes 'Español'
* @param string $lang
* @return string
*/
function toNative($lang)
{
return ($this->names[$lang]) ? $this->names[$lang] : $lang;
}
/**
* Convert the current URL to a multi-lang for the specified language.
* eg. 'http://www.mydomain.com' becomes 'http://es.mydomain.com'
* @param string $language eg. 'Spanish'
* @return URL
*/
function subdomainUrl($language)
{
global $pref;
$codelnk = ($language == $pref['sitelanguage']) ? "www" : $this->convert($language);
// $urlval = str_replace($_SERVER['HTTP_HOST'],$codelnk.".".e_DOMAIN,e_SELF);
$urlval = (e_QUERY)
? str_replace($_SERVER['HTTP_HOST'], $codelnk.'.'.e_DOMAIN, e_SELF).'?'.e_QUERY
: str_replace($_SERVER['HTTP_HOST'], $codelnk.'.'.e_DOMAIN, e_SELF);
return $urlval;
}
/**
* Detect a Language Change
* 1. Parked (sub)Domain eg. http://es.mydomain.com (Preferred for SEO)
* 2. e_MENU Query eg. /index.php?[es]
* 3. $_GET['elan'] eg. /index.php?elan=es
* 4. $_POST['sitelanguage'] eg. <input type='hidden' name='sitelanguage' value='Spanish' />
* 5. $GLOBALS['elan'] eg. <?php $GLOBALS['elan']='es' (deprecated)
*
* @param boolean $force force detection, don't use cached value
*/
function detect($force = false)
{
global $pref;
if(false !== $this->detect && !$force) return $this->detect;
$this->_cookie_domain = '';
if(varsettrue($pref['multilanguage_subdomain']) && $this->isLangDomain(e_DOMAIN) && (defset('MULTILANG_SUBDOMAIN') !== FALSE))
{
$detect_language = (e_SUBDOMAIN) ? $this->isValid(e_SUBDOMAIN) : $pref['sitelanguage'];
// Done in session handler now, based on MULTILANG_SUBDOMAIN value
//e107_ini_set("session.cookie_domain", ".".e_DOMAIN); // Must be before session_start()
$this->_cookie_domain = ".".e_DOMAIN;
define('MULTILANG_SUBDOMAIN',TRUE);
}
elseif(e_MENU && ($detect_language = $this->isValid(e_MENU))) //
{
define("e_LANCODE",TRUE);
}
elseif(isset($_GET['elan']) && ($detect_language = $this->isValid($_GET['elan']))) // eg: /index.php?elan=Spanish
{
// Do nothing
}
elseif(isset($_POST['setlanguage']) && ($detect_language = $this->isValid($_POST['sitelanguage'])))
{
// Do nothing
}
elseif(isset($GLOBALS['elan']) && ($detect_language = $this->isValid($GLOBALS['elan'])))
{
// Do nothing
}
else
{
$detect_language = FALSE; // ie. No Change.
}
// Done in session handler now
// e107_ini_set("session.cookie_path", e_HTTP);
$this->detect = $detect_language;
return $detect_language;
}
/**
* Get domain to be used in cookeis (e.g. .domain.com), or empty
* if multi-language subdomain settings not enabled
* Available after self::detect()
* @return string
*/
public function getCookieDomain()
{
return $this->_cookie_domain;
}
/**
* Set the Language (Constants, $_SESSION and $_COOKIE) for the current page.
* @param string $language force set
* @return void
*/
function set($language = null)
{
$pref = e107::getPref();
$session = e107::getSession(); // default core session namespace
if($language && ($language = $this->isValid($language))) // force set
{
$this->detect = $language;
}
if($this->detect) // Language-Change Trigger Detected.
{
// new - e_language moved to e107 namespace - $_SESSION['e107']['e_language']
$oldlan = $session->get('e_language');
if(!$session->has('e_language') || (($session->get('e_language') != $this->detect) && $this->isValid($session->get('e_language'))))
{
$session->set('e_language', $this->detect);
}
if(varset($_COOKIE['e107_language'])!=$this->detect && (defset('MULTILANG_SUBDOMAIN') != TRUE))
{
setcookie('e107_language', $this->detect, time() + 86400, e_HTTP);
$_COOKIE['e107_language'] = $this->detect; // Used only when a user returns to the site. Not used during this session.
}
else // Multi-lang SubDomains should ignore cookies and remove old ones if they exist.
{
if(isset($_COOKIE['e107_language']))
{
unset($_COOKIE['e107_language']);
}
}
$user_language = $this->detect;
// new system trigger 'lanset'
if($oldlan && $oldlan !== $this->detect)
{
e107::getEvent()->trigger('lanset', array('new' => $this->detect, 'old' => $oldlan));
}
}
else // No Language-change Trigger Detected.
{
if($session->has('e_language'))
{
$user_language = $session->get('e_language');
}
elseif(isset($_COOKIE['e107_language']) && ($user_language = $this->isValid($_COOKIE['e107_language'])))
{
$session->set('e_language', $user_language);
}
else
{
$user_language = (e_ADMIN_AREA && vartrue($pref['adminlanguage'])) ? $pref['adminlanguage'] : $pref['sitelanguage'];
if($session->is('e_language'))
{
$session->clear('e_language');
}
if(isset($_COOKIE['e107_language']))
{
unset($_COOKIE['e107_language']);
}
}
}
$this->e_language = $user_language;
$this->setDefs();
return;
}
/**
* Set Language-specific Constants
* FIXME - language detection is a mess - db handler, mysql handler, session handler and language handler + constants invlolved,
* SIMPLIFY, test, get feedback
* @param string $language
* @return
*/
function setDefs()
{
global $pref;
$language = $this->e_language;
//$session = e107::getSession();
// SecretR - don't register lanlist in session, confusions, save it as class property (lan class is singleton)
e107::getSession()->set('language-list', null); // cleanup test installs, will be removed soon
/*if(!$session->is('language-list'))
{
$session->set('language-list', implode(',',$this->installed()));
}*/
//define('e_LANLIST', $session->get('language-list'));
define('e_LANLIST', implode(',', $this->installed()));
define('e_LANGUAGE', $language);
define('USERLAN', $language); // Keep USERLAN for backward compatibility
$iso = $this->convert($language);
define("e_LAN", $iso);
// Below is for BC
if(defined('e_LANCODE') && varset($pref['multilanguage']) && ($language != $pref['sitelanguage']))
{
define("e_LANQRY", "[".$iso."]");
}
else
{
define("e_LANCODE", '');
define("e_LANQRY", FALSE);
}
}
public function getLanSelectArray($force = false)
{
if($force ||null === $this->_select_array)
{
$lanlist = explode(',', e_LANLIST);
$this->_select_array = array();
foreach ($lanlist as $lan)
{
$this->_select_array[$this->convert($lan)] = $this->toNative($lan);
}
}
return $this->_select_array;
}
}
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