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<?php
/**
* @uses $vars['language']
* @uses $vars['lc'] if present, client will be sent long expires headers
*/
$language = $vars['language'];
$lastcache = elgg_extract('lc', $vars, 0);
// @todo add server-side caching
if ($lastcache) {
// we're relying on lastcache changes to predict language changes
$etag = '"' . md5("$language|$lastcache") . '"';
header('Expires: ' . gmdate('D, d M Y H:i:s \G\M\T', strtotime("+6 months")), true);
header("Pragma: public", true);
header("Cache-Control: public", true);
header("ETag: $etag");
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && trim($_SERVER['HTTP_IF_NONE_MATCH']) === $etag) {
header("HTTP/1.1 304 Not Modified");
exit;
}
}
$all_translations = elgg_get_config('translations');
$translations = $all_translations['en'];
if ($language != 'en') {
$translations = array_merge($translations, $all_translations[$language]);
}
echo json_encode($translations);
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