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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
function client_prefered_language($httplang) {
$client_langs = array();
$all_languages = get_all_languages();
preg_match_all('"(((\S\S)-?(\S\S)?)(;q=([0-9.]+))?)\s*(,\s*|$)"',strtolower($httplang),$httplang);
for ($i = 0; $i < count($httplang); $i++) {
if(!empty($httplang[2][$i])) {
#if no q default to 1.0
$client_langs[$httplang[2][$i]] = ($httplang[6][$i]? (float) $httplang[6][$i] : 1.0);
}
if(!empty($httplang[3][$i]) && empty($client_langs[$httplang[3][$i]])) {
#if a catchall default 0.01 lower
$client_langs[$httplang[3][$i]] = ($httplang[6][$i]? (float) $httplang[6][$i]-0.01 : 0.99);
}
}
#sort in decending q
arsort($client_langs);
foreach ($client_langs as $lang => $q) {
if (isset($all_languages[$lang])) {
return($all_languages[$lang]['lang']);
}
}
return FALSE;
}
function get_nice_language_list() {
$nice_lang = array();
$all_languages = get_all_languages();
foreach ($all_languages as $lang) {
$nice_lang = $nice_lang + array($lang['lang'] => $lang['name']);
}
return $nice_lang;
}
function get_all_languages() {
$all_languages = array('en-us' => array('q' => 1, 'lang' => 'en_US', 'name' => 'English (US)', 'direction' => 'ltr'),
'en-nz' => array('q' => 1, 'lang' => 'en_NZ', 'name' => 'English (NZ)', 'direction' => 'ltr'),
'en' => array('q' => 1, 'lang' => 'en', 'name' => 'English', 'direction' => 'ltr'),
'fr-fr' => array('q' => 1, 'lang' => 'fr_FR', 'name' => 'French', 'direction' => 'ltr'),
);
return $all_languages;
}
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