* @link http://getkirby.com * @copyright Bastian Allgeier * @license http://www.opensource.org/licenses/mit-license.php MIT License */ class Server { /** * Gets a value from the _SERVER array * * * * server::get('document_root'); * // sample output: /var/www/kirby * * server::get(); * // returns the whole server array * * * * @param mixed $key The key to look for. Pass false or null to return the entire server array. * @param mixed $default Optional default value, which should be returned if no element has been found * @return mixed */ static public function get($key = false, $default = null) { if(empty($key)) return $_SERVER; $key = str::upper($key); $value = a::get($_SERVER, $key, $default); return static::sanitize($key, $value); } static public function sanitize($key, $value) { switch($key) { case 'SERVER_ADDR': case 'SERVER_NAME': case 'HTTP_HOST': $value = strip_tags($value); $value = preg_replace('![^\w.:-]+!iu', '', $value); $value = trim($value, '-'); $value = htmlspecialchars($value); break; case 'SERVER_PORT': $value = preg_replace('![^0-9]+!', '', $value); break; } return $value; } }