Library

locale()

function locale() {
if (!isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
return false;
}
$httplanguages = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
if (empty($httplanguages) === true) {
return false;
}
$lang = false;
$quality = 0.0;
$accepted = preg_split('/,\s*/', $httplanguages);
foreach ($accepted as $accept) {
$match = null;
$result = preg_match('/^([a-z]{1,8}(?:[-_][a-z]{1,8})*)(?:;\s*q=(0(?:\.[0-9]{1,3})?|1(?:\.0{1,3})?))?$/i', $accept, $match);
if ($result < 1) {
continue;
}
$q = isset($match[2]) ? (float) $match[2] : 1.0;
if ($q > $quality) {
$quality = $q;
$lang = current(explode('_', current(explode('-', $match[1]))));
if ($quality == 1.0) {
break;
}
}
}
return $lang;
}

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