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<?php
// +----------------------------------------------------------------------+
// | PEAR :: I18Nv2 |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license, |
// | that is available at http://www.php.net/license/3_0.txt |
// | If you did not receive a copy of the PHP license and are unable |
// | to obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Copyright (c) 2004 Michael Wallner <mike@iworks.at> |
// +----------------------------------------------------------------------+
//
// $Id: I18Nv2.php,v 1.36 2006/03/08 13:07:18 mike Exp $
/**
* I18Nv2
*
* @package I18Nv2
* @category Internationalization
*/
define('I18Nv2_WIN', defined('OS_WINDOWS') ? OS_WINDOWS : (strToUpper(substr(PHP_OS, 0,3)) === 'WIN'));
/**
* I18Nv2 - Internationalization v2
*
* @author Michael Wallner <mike@php.net>
* @version $Revision: 1.36 $
* @package I18Nv2
* @access public
* @static
*/
class I18Nv2
{
/**
* Set Locale
*
* Example:
* <code>
* I18Nv2::setLocale('en_GB');
* </code>
*
* @static
* @access public
* @return mixed &type.string; used locale or false on failure
* @param string $locale a valid locale like en_US or de_DE
* @param int $cat the locale category - usually LC_ALL
*/
function setLocale($locale = null, $cat = LC_ALL)
{
if (!strlen($locale)) {
return setLocale($cat, null);
}
$locales = I18Nv2::getStaticProperty('locales');
// get complete standard locale code (en => en_US)
if (isset($locales[$locale])) {
$locale = $locales[$locale];
}
// get Win32 locale code (en_US => enu)
if (I18Nv2_WIN) {
$windows = I18Nv2::getStaticProperty('windows');
$setlocale = isset($windows[$locale]) ? $windows[$locale] : $locale;
} else {
$setlocale = $locale;
}
$syslocale = setLocale($cat, $setlocale);
// if the locale is not recognized by the system, check if there
// is a fallback locale and try that, otherwise return false
if (!$syslocale) {
$fallbacks = &I18Nv2::getStaticProperty('fallbacks');
if (isset($fallbacks[$locale])) {
// avoid endless recursion with circular fallbacks
$trylocale = $fallbacks[$locale];
unset($fallbacks[$locale]);
if ($retlocale = I18Nv2::setLocale($trylocale, $cat)) {
$fallbacks[$locale] = $trylocale;
return $retlocale;
}
}
return false;
}
$language = substr($locale, 0,2);
if (I18Nv2_WIN) {
@putEnv('LANG=' . $language);
@putEnv('LANGUAGE=' . $language);
} else {
@putEnv('LANG=' . $locale);
@putEnv('LANGUAGE=' . $locale);
}
// unshift locale stack
$last = &I18Nv2::getStaticProperty('last');
array_unshift($last,
array(
0 => $locale,
1 => $language,
2 => $syslocale,
'locale' => $locale,
'language' => $language,
'syslocale' => $syslocale,
)
);
// fetch locale specific information
$info = &I18Nv2::getStaticProperty('info');
$info = localeConv();
return $syslocale;
}
/**
* Get current/prior Locale
*
* @static
* @access public
* @return mixed last locale as string or array
* @param int $prior if 0, the current otherwise n prior to current
* @param bool $part true|all|0=locale|1=language|2=syslocale
*/
function lastLocale($prior = 0, $part = 0)
{
$last = I18Nv2::getStaticProperty('last');
if (!isset($last)) {
return I18Nv2::setLocale();
}
if (!isset($last[$prior])) {
return null;
}
if ($part === true || $part == 'all') {
return $last[$prior];
}
return $last[$prior][$part];
}
/**
* Get several locale specific information
*
* @see http://www.php.net/localeconv
*
* <code>
* $locale = I18Nv2::setLocale('en_US');
* $dollar = I18Nv2::getInfo('currency_symbol');
* $point = I18Nv2::getInfo('decimal_point');
* </code>
*
* @static
* @access public
* @return mixed
* @param string $part
*/
function getInfo($part = null)
{
$info = &I18Nv2::getStaticProperty('info');
return isset($part, $info[$part]) ? $info[$part] : $info;
}
/**
* Create a Locale object
*
* @static
* @access public
* @return object I18Nv2_Locale
* @param string $locale The locale to use.
* @param bool $paranoid Whether to operate in paranoid mode.
*/
function &createLocale($locale = null, $paranoid = false)
{
require_once 'I18Nv2/Locale.php';
$obj = &new I18Nv2_Locale($locale, $paranoid);
return $obj;
}
/**
* Create a Negotiator object
*
* @static
* @access public
* @return object I18Nv2_Negotiator
* @param string $defLang default language
* @param string $defEnc default encoding
* @param string $defCtry default country
*/
function &createNegotiator($defLang = 'en', $defEnc = 'iso-8859-1', $defCtry = '')
{
require_once 'I18Nv2/Negotiator.php';
$obj = &new I18Nv2_Negotiator($defLang, $defEnc, $defCtry);
return $obj;
}
/**
* Automatically transform output between encodings
*
* This method utilizes ob_iconv_handler(), so you should call it at the
* beginning of your script (prior to output). If any output buffering has
* been started before, the contents will be fetched with ob_get_contents()
* and the buffers will be destroyed by ob_end_clean() if $refetchOB is set
* to true.
*
* <code>
* require_once('I18Nv2.php');
* I18Nv2::autoConv('CP1252');
* print('...'); // some iso-8859-1 stuff gets converted to Windows-1252
* // ...
* </code>
*
* @static
* @access public
* @return mixed Returns &true; on success or
* <classname>PEAR_Error</classname> on failure.
* @param string $oe desired output encoding
* @param string $ie internal encoding
* @param bool $decodeRequest whether to decode request variables
* ($_GET and $_POST) from $oe to $ie
* @param bool $refetchOB whether contents of already active
* output buffers should be fetched, the
* output buffer handlers destroyed and
* the fetched data be passed through
* ob_iconvhandler
*/
function autoConv($oe = 'UTF-8', $ie = 'ISO-8859-1', $decodeRequest = true, $refetchOB = true)
{
if (!strcasecmp($oe, $ie)) {
return true;
}
if (!extension_loaded('iconv')) {
require_once 'PEAR.php';
if (!PEAR::loadExtension('iconv')) {
return PEAR::raiseError('Error: ext/iconv is not available');
}
}
iconv_set_encoding('internal_encoding', $ie);
iconv_set_encoding('output_encoding', $oe);
iconv_set_encoding('input_encoding', $oe);
$buffer = '';
if ($refetchOB && $level = ob_get_level()) {
while ($level--) {
$buffer .= ob_get_contents();
ob_end_clean();
}
}
if (!ob_start('ob_iconv_handler')) {
require_once 'PEAR.php';
return PEAR::raiseError('Couldn\'t start output buffering');
}
echo $buffer;
if ($decodeRequest) {
I18Nv2::recursiveIconv($_GET, $oe, $ie);
I18Nv2::recursiveIconv($_POST, $oe, $ie);
}
return true;
}
/**
* Recursive Iconv
*
* @static
* @access public
* @return void
* @param array $value
* @param string $from
* @param string $to
*/
function recursiveIconv(&$value, $from, $to)
{
foreach ($value as $key => $val) {
if (is_array($val)) {
I18Nv2::recursiveIconv($value[$key], $from, $to);
} else {
$value[$key] = iconv($from, $to .'//TRANSLIT', $val);
}
}
}
/**
* Traverse locales to languages
*
* Returns en-US, de-DE from en_US and de_DE
*
* @static
* @access public
* @return array
* @param array $locales
*/
function locales2langs($locales)
{
return array_map(array('I18Nv2','l2l'), (array) $locales);
}
/**
* Traverse languages to locales
*
* Returns en_US, de_DE from en-US and de-DE
*
* @static
* @access public
* @return array
* @param array $languages
*/
function langs2locales($languages)
{
return array_map(array('I18Nv2','l2l'), (array) $languages);
}
/**
* Locale to language or language to locale
*
* @static
* @access public
* @return string
* @param string $localeOrLanguage
*/
function l2l($localeOrLanguage)
{
return strtr($localeOrLanguage, '-_', '_-');
}
/**
* Split locale code
*
* Splits locale codes into its language and country part
*
* @static
* @access public
* @return array
* @param string $locale
*/
function splitLocale($locale)
{
@list($l, $c) = preg_split('/[_-]/', $locale, 2, PREG_SPLIT_NO_EMPTY);
return array($l, $c);
}
/**
* Get language code of locale
*
* @static
* @access public
* @return string
* @patram string $locale
*/
function languageOf($locale)
{
return current($a = I18Nv2::splitLocale($locale));
}
/**
* Get country code of locale
*
* @static
* @access public
* @return string
* @param string $locale
*/
function countryOf($locale)
{
return end($a = I18Nv2::splitLocale($locale));
}
/**
* Get access to static property
*
* @static
* @access public
* @return mixed Returns a reference to a static property
* @param string $property the static property
*/
function &getStaticProperty($property)
{
static $properties;
return $properties[$property];
}
/**
* This one gets called automatically
*
* @ignore
* @static
* @internal
* @access private
* @return void
*/
function _main()
{
// initialize the locale stack
$last = &I18Nv2::getStaticProperty('last');
$last = array();
// map of "fully qualified locale" codes
$locales = &I18Nv2::getStaticProperty('locales');
$locales = array(
'af' => 'af_ZA',
'de' => 'de_DE',
'en' => 'en_US',
'fr' => 'fr_FR',
'it' => 'it_IT',
'es' => 'es_ES',
'pt' => 'pt_PT',
'sv' => 'sv_SE',
'nb' => 'nb_NO',
'nn' => 'nn_NO',
'no' => 'no_NO',
'fi' => 'fi_FI',
'is' => 'is_IS',
'da' => 'da_DK',
'nl' => 'nl_NL',
'pl' => 'pl_PL',
'sl' => 'sl_SI',
'hu' => 'hu_HU',
'ru' => 'ru_RU',
'cs' => 'cs_CZ',
);
// define locale fallbacks
$fallbacks = &I18Nv2::getStaticProperty('fallbacks');
$fallbacks = array(
'no_NO' => 'nb_NO',
'nb_NO' => 'no_NO',
);
// include Win32 locale codes
if (I18Nv2_WIN) {
include_once 'I18Nv2/Locale/Windows.php';
}
}
}
I18Nv2::_main();
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