public static function env_is($env, $key = '_useenv')
{
if (defined('UNIT_TEST')) {
$_GET[$key] = is_string(UNIT_TEST) ? UNIT_TEST : 'test';
}
if (isset($_GET[$key]) && $_GET[$key] == $env || isset($_COOKIE[$key]) && $_COOKIE[$key] == $env && (!isset($_GET[$key]) || $_GET[$key] == $env)) {
setcookie($key, $env);
return true;
} else {
setcookie($key, false);
return false;
}
}