function i18n_get_browser_lang in Internationalization 5.3

Same name and namespace in other branches

1. 5 i18n.module \i18n_get_browser_lang()
2. 5.2 i18n.module \i18n_get_browser_lang()

Get language from browser settings, but only if it is a valid language

1 call to i18n_get_browser_lang()

i18n.module in ./i18n.module

Internationalization (i18n) module

File

./i18n.module, line 474

Internationalization (i18n) module

Code

function i18n_get_browser_lang() {
  $languages = i18n_supported_languages();
  $exploded_server = explode(";", $_SERVER["HTTP_ACCEPT_LANGUAGE"]);
  $accept = explode(',', array_shift($exploded_server));
  foreach ($accept as $lang) {
    if (empty($lang)) {
      continue;
    }
    elseif (array_key_exists($lang, $languages)) {
      return $lang;
    }
    elseif (array_key_exists(substr($lang, 0, 2), $languages)) {
      return substr($lang, 0, 2);
    }
  }
}