// variable in case this is called before the user's
// preference is loaded
if( array_key_exists( 'HTTP_ACCEPT_LANGUAGE', $_SERVER ) ) {
- $acceptLanguage = str_replace( '_', '-', strtolower($_SERVER["HTTP_ACCEPT_LANGUAGE"]));
+ $acceptLanguage = strtolower( $_SERVER['HTTP_ACCEPT_LANGUAGE'] );
// explode by comma
$result = explode(',', $acceptLanguage);