/**
* Detect a user's languages and order them by priority.
*
* @param Language $language
* @param AcceptLanguage $acceptLanguage
*
* @return bool
*/
public static function detect(Language $language, AcceptLanguage $acceptLanguage)
{
$acceptLanguageString = $acceptLanguage->getAcceptLanguageString();
$languages = array();
$language->setLanguages($languages);
if (!empty($acceptLanguageString)) {
$httpLanguages = preg_split('/q=([\\d\\.]*)/', $acceptLanguageString, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
$key = 0;
foreach (array_reverse($httpLanguages) as $value) {
$value = trim($value, ',; .');
if (is_numeric($value)) {
$key = $value;
} else {
$languages[$key] = explode(',', $value);
}
}
krsort($languages);
foreach ($languages as $value) {
$language->setLanguages(array_merge($language->getLanguages(), $value));
}
}
}
