253 lines
6.9 KiB
PHP
253 lines
6.9 KiB
PHP
<?php
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/*
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* Internal function for getting locale and encodig settings
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* used for new locale layout
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*/
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declare(strict_types=1);
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namespace CoreLibs\Language;
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class GetLocale
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{
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/**
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* returns locale, lang, domain, encoding, path
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* from either parameter set or from sessions/config variables
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* NOTE: named constant usage is deprecated and will be removed in future
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*
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* @param string|null $locale override auto detect
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* @param string|null $domain override domain
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* @param string|null $encoding override encoding
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* @param string|null $path override path
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* @return array<string,string> locale, domain, encoding, path
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* @deprecated use GetLocale::setLocaleSession(...) instead
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*/
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public static function setLocale(
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?string $locale = null,
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?string $domain = null,
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?string $encoding = null,
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?string $path = null
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): array {
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trigger_error(
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'Use \CoreLibs\Language\GetLocale::setLocaleSession(...) instead',
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E_USER_DEPRECATED
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);
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// locale must match at least basic rules
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if (
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empty($locale) ||
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!preg_match("/^[-A-Za-z0-9_.@]+$/", $locale)
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) {
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if (!empty($_SESSION['DEFAULT_LOCALE'])) {
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// parse from session (logged in)
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$locale = $_SESSION['DEFAULT_LOCALE'];
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} else {
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trigger_error(
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'setLocale: Unset $locale or unset SESSION locale is deprecated',
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E_USER_DEPRECATED
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);
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// else parse from site locale
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$locale = defined('SITE_LOCALE') && !empty(SITE_LOCALE) ?
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SITE_LOCALE :
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// else parse from default, if not 'en'
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(defined('DEFAULT_LOCALE') && !empty(DEFAULT_LOCALE) ?
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DEFAULT_LOCALE : 'en');
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}
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}
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// if domain is set, must be alphanumeric, if not unset
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if (
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empty($domain) ||
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!preg_match("/^\w+$/", $domain)
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) {
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if (!empty($_SESSION['DEFAULT_DOMAIN'])) {
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$domain = $_SESSION['DEFAULT_DOMAIN'];
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} else {
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trigger_error(
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'setLocale: Unset $domain is deprecated',
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E_USER_DEPRECATED
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);
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// if no domain is set, fall back to content path
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$domain = str_replace(DIRECTORY_SEPARATOR, '', CONTENT_PATH);
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}
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}
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// check that override encoding matches locale encoding
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// if locale encoding is set
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preg_match('/(?:\\.(?P<charset>[-A-Za-z0-9_]+))/', $locale, $matches);
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$locale_encoding = $matches['charset'] ?? null;
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if (
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// empty encoding
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empty($encoding) ||
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// not valid encoding
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!preg_match("/^[-A-Za-z0-9_]+$/", $encoding) ||
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// locale encoding set and not matching to encoding
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(!empty($locale_encoding) && $encoding != $locale_encoding)
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) {
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if (!empty($locale_encoding)) {
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$encoding = strtoupper($locale_encoding);
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} elseif (!empty($_SESSION['DEFAULT_CHARSET'])) {
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// else set from session
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$encoding = $_SESSION['DEFAULT_CHARSET'];
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} else {
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trigger_error(
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'setLocale: Short $locale with unset $encoding or unset SESSION encoding is deprecated',
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E_USER_DEPRECATED
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);
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// else set from site encoding
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$encoding = defined('SITE_ENCODING') && !empty(SITE_ENCODING) ?
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SITE_ENCODING :
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// or default encoding, if not 'UTF-8'
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(defined('DEFAULT_ENCODING') ?
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DEFAULT_ENCODING : 'UTF-8');
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}
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}
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// path checks if set, if not valid path unset to default BASE path
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if (
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empty($path) ||
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!is_dir($path)
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) {
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if (!empty($_SESSION['LOCALE_PATH'])) {
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$path = $_SESSION['LOCALE_PATH'];
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} else {
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trigger_error(
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'setLocale: Unset $path is deprecated',
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E_USER_DEPRECATED
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);
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$path = BASE . INCLUDES . LOCALE;
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}
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}
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// extract lang & country from locale string, else set to en
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if (
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preg_match(
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// lang
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'/^(?P<lang>[a-z]{2,3})'
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// country code
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. '(?:_(?P<country>[A-Z]{2}))?/',
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$locale,
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$matches
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)
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) {
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$lang = $matches['lang']
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// add country only if set
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. (!empty($matches['country']) ? '_' . $matches['country'] : '');
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} else {
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$lang = 'en';
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}
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return [
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'locale' => $locale,
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'lang' => $lang,
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'domain' => $domain,
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'encoding' => $encoding,
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'path' => $path,
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];
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}
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/**
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* NOTE: For getting the login info via login class use ->loginGetLocale()
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*
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* Set locale from session or from override parameters
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* This is the prefered version to setLocale
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* It usese the following SESSION VARIABLES
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* DEFAULT_LOCALE
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* DEFAULT_DOMAIN
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* DEFAULT_CHARSET (should be set from DEFAULT_LOCALE)
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* LOCALE_PATH
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* in the return array, null set invalid information
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*
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* @param string $locale override locale
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* @param string $domain override domain
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* @param string $encoding override encoding
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* @param string $path override path
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* @return array<string,string> locale, domain, encoding, path
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* @return array<string,string|null> Return list of set locale information
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* @deprecated This version will be removed in a future version use ACL\Login->loginGetLocale() instead
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*/
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public static function setLocaleFromSession(
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string $locale,
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string $domain,
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string $encoding,
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string $path
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): array {
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// locale must match at least basic rules
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if (
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!empty($_SESSION['DEFAULT_LOCALE']) &&
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preg_match("/^[-A-Za-z0-9_.@]+$/", $_SESSION['DEFAULT_LOCALE'])
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) {
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// parse from session (logged in)
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$locale = $_SESSION['DEFAULT_LOCALE'];
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} elseif (
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empty($locale) ||
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!preg_match("/^[-A-Za-z0-9_.@]+$/", $locale)
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) {
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$locale = null;
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}
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// if domain is set, must be alphanumeric, if not unset
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if (
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!empty($_SESSION['DEFAULT_DOMAIN']) &&
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preg_match("/^\w+$/", $_SESSION['DEFAULT_DOMAIN'])
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) {
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$domain = $_SESSION['DEFAULT_DOMAIN'];
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} elseif (
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empty($domain) ||
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!preg_match("/^\w+$/", $domain)
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) {
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$domain = null;
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}
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// check that override encoding matches locale encoding
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// if locale encoding is set
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preg_match('/(?:\\.(?P<charset>[-A-Za-z0-9_]+))/', $locale ?? '', $matches);
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$locale_encoding = $matches['charset'] ?? null;
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if (!empty($locale_encoding)) {
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$encoding = strtoupper($locale_encoding);
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} elseif (
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!empty($_SESSION['DEFAULT_CHARSET']) &&
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preg_match("/^[-A-Za-z0-9_]+$/", $_SESSION['DEFAULT_CHARSET'])
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) {
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$encoding = $_SESSION['DEFAULT_CHARSET'];
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} elseif (
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empty($encoding) ||
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// not valid encoding
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!preg_match("/^[-A-Za-z0-9_]+$/", $encoding)
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) {
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$encoding = null;
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}
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// path checks if set, if not valid path unset to default BASE path
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if (
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!empty($_SESSION['LOCALE_PATH']) &&
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is_dir($_SESSION['LOCALE_PATH'])
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) {
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$path = $_SESSION['LOCALE_PATH'];
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} elseif (
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empty($path) ||
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!is_dir($path)
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) {
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$path = null;
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}
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// extract lang & country from locale string, else set to en
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if (
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preg_match(
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// lang
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'/^(?P<lang>[a-z]{2,3})'
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// country code
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. '(?:_(?P<country>[A-Z]{2}))?/',
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$locale ?? '',
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$matches
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)
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) {
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$lang = $matches['lang']
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// add country only if set
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. (!empty($matches['country']) ? '_' . $matches['country'] : '');
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} else {
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$lang = null;
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}
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return [
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'locale' => $locale,
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'lang' => $lang,
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'domain' => $domain,
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'encoding' => $encoding,
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'path' => $path,
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];
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}
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}
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// __END__
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