function basic_auth($auth_list,$realm="Restricted Area",$failed_text="認証に失敗しました"){ if (isset($_SERVER['PHP_AUTH_USER']) and isset($auth_list[$_SERVER['PHP_AUTH_USER']])){ if ($auth_list[$_SERVER['PHP_AUTH_USER']] == $_SERVER['PHP_AUTH_PW']){ return $_SERVER['PHP_AUTH_USER']; } } header('WWW-Authenticate: Basic realm="'.$realm.'"'); header('HTTP/1.0 401 Unauthorized'); header('Content-type: text/html; charset='.mb_internal_encoding()); die($failed_text); }