/**
* Set the current language: if not found in the URL or REFERER, then keep the default
* @since 1.1.1
*/
public function init_current_language()
{
/**
* Keep the default language if any of the code before does not detect another one.
*/
$this->language = $this->default_language;
/**
* Theoretically, we might not have any URL to get the language info from.
*/
$url_to_check = '';
if (WPGlobus_WP::is_doing_ajax()) {
/**
* If DOING_AJAX, we cannot retrieve the language information from the URL,
* because it's always `admin-ajax`.
* Therefore, we'll rely on the HTTP_REFERER (if it exists).
*/
if (!empty($_SERVER['HTTP_REFERER'])) {
$url_to_check = $_SERVER['HTTP_REFERER'];
}
} else {
/**
* If not AJAX and not ADMIN then we are at the front. Will use the current URL.
*/
if (!is_admin()) {
$url_to_check = WPGlobus_Utils::current_url();
}
}
/**
* If we have an URL, extract language from it.
* If extracted, set it as a current.
*/
if ($url_to_check) {
$language_from_url = WPGlobus_Utils::extract_language_from_url($url_to_check);
if ($language_from_url) {
$this->language = $language_from_url;
}
}
}
/**
* @covers WPGlobus_Utils::extract_language_from_url
*/
public function test_extract_language_from_url()
{
/**
* Mock object sent as a parameter, because we do now have access to the actual config.
*
* @var WPGlobus_Config $config
*/
$config = $this->getMock('WPGlobus_Config');
/**
* These languages are enabled
*/
$config->enabled_languages = array('en', 'ru', 'pt');
/**
* This is the current language
*/
$config->language = 'pt';
/**
* This is the default language
*/
$config->default_language = 'en';
/**
* This says "Do not use language code in the default URL"
* So, no /en/page/, just /page/
*/
$config->hide_default_language = true;
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('http://example.com/ru/page/', $config));
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('https://example.com/ru/page/', $config));
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('https://develop.example.com/ru/page/', $config));
self::assertEquals('pt', WPGlobus_Utils::extract_language_from_url('http://www.example.com/pt/page/', $config));
// Unknown language
self::assertEquals('', WPGlobus_Utils::extract_language_from_url('http://www.example.com/ar/page/', $config));
// Default language or no language
self::assertEquals('', WPGlobus_Utils::extract_language_from_url('http://www.example.com/page/', $config));
// Default language, but specified in the URL for some reason - returns it
self::assertEquals('en', WPGlobus_Utils::extract_language_from_url('http://www.example.com/en/page/', $config));
// Wrong position
self::assertEquals('', WPGlobus_Utils::extract_language_from_url('http://www.example.com/page/ru/something', $config));
// TODO Not sure about this. PHP manual says it should not work.
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('/ru/something', $config));
self::assertEquals('', WPGlobus_Utils::extract_language_from_url(3.14, $config));
self::assertEquals('', WPGlobus_Utils::extract_language_from_url(array(1, 'pi'), $config));
// No trailing slash
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('/ru', $config));
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('/ru?a=b', $config));
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('/ru/?a=b', $config));
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('/ru/#hash', $config));
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('/ru#hash', $config));
// Site in subfolder
self::$option_home = 'http://www.example.com/subfolder';
self::assertEquals('ru', WPGlobus_Utils::extract_language_from_url('http://www.example.com/subfolder/ru/something', $config));
}
