public function Request::getLanguages

Gets a list of languages acceptable by the client browser.

@api

Return value

array Languages ordered in the user browser preferences

File

drupal/core/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Request.php, line 1181

Class

Request

Request represents an HTTP request.

Namespace

Code

public function getLanguages() {
  if (null !== $this->languages) {
    return $this->languages;
  }
  $languages = $this
    ->splitHttpAcceptHeader($this->headers
    ->get('Accept-Language'));
  $this->languages = array();
  foreach ($languages as $lang => $q) {
    if (strstr($lang, '-')) {
      $codes = explode('-', $lang);
      if ($codes[0] == 'i') {

        // Language not listed in ISO 639 that are not variants
        // of any listed language, which can be registered with the
        // i-prefix, such as i-cherokee
        if (count($codes) > 1) {
          $lang = $codes[1];
        }
      }
      else {
        for ($i = 0, $max = count($codes); $i < $max; $i++) {
          if ($i == 0) {
            $lang = strtolower($codes[0]);
          }
          else {
            $lang .= '_' . strtoupper($codes[$i]);
          }
        }
      }
    }
    $this->languages[] = $lang;
  }
  return $this->languages;
}