Current File : /home/tjamichg/cursos.tjamich.gob.mx/custompages/language.inc.php
<?php
/* For licensing terms, see /license.txt */
/**
* CustomPages : Browser language detection
* Include this file in your custom page if you want to set the language variable of the Chamilo session
* to the best pick according to the visitor's browser's options.
* 2011, Jean-Karim Bockstael, CBlue <jeankarim@cblue.be>
* This requires the Chamilo system to be initialized
* (note that it's easier to do the following include in the parent page).
*
* @package chamilo.custompages
*/
/**
* Returns the best match between available languages and visitor preferences.
*
* @return string the best match as 2-chars code, null when none match
*/
function get_preferred_language($available_langs)
{
// Parsing the Accept-languages HTTP header
$langs = [];
foreach (explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']) as $httplang) {
$rawlang = explode(';q=', $httplang);
if (strpos($rawlang[0], '-') !== false) {
// We ignore the locale part, as in en-GB vs en-US
$rawlang[0] = substr($rawlang[0], 0, strpos($rawlang[0], '-'));
}
if (count($rawlang) == 1) {
$rawlang[1] = 1.0; // The absence of weighting means a weight of 1 (max)
}
$langs[$rawlang[1]][] = $rawlang[0];
}
krsort($langs, SORT_NUMERIC);
// Choosing the best match
foreach ($langs as $weight => $codes) {
foreach ($codes as $code) {
if (in_array($code, $available_langs)) {
return $code;
}
}
}
// No match
return null;
}
/**
* Get a language variable in a specific language.
*/
function custompages_get_lang($variable)
{
return get_lang($variable, null, $_SESSION['user_language_choice']);
}
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