public/install/controller/startup/language.php


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<?php
class ControllerStartupLanguage extends Controller {
	public function index() {
		// Default language code
		$code = $this->config->get('language_default');
		
		$languages = glob(DIR_LANGUAGE . '*', GLOB_ONLYDIR);
		
		foreach ($languages as $language) {
			$languages[] = basename($language);
		}

		if (isset($this->request->server['HTTP_ACCEPT_LANGUAGE'])) {
			$browser_languages = explode(',', $this->request->server['HTTP_ACCEPT_LANGUAGE']);
	
			foreach ($browser_languages as $browser_language) {
				if (in_array($browser_language, $languages)) {
					$code = $browser_language;
					break;
				}
			}		
		}
		
		if (!isset($this->session->data['language']) || !is_dir(DIR_LANGUAGE . basename($this->session->data['language']))) {
			$this->session->data['language'] = $code;
		}
		
		// Language
		$language = new Language($this->session->data['language']);
		$language->load($this->session->data['language']);
		$this->registry->set('language', $language);	
	}
}