public function addAccessControlAllowOrigin($origin) {
    $count = strlen($origin);
    if (($count > 0) && ($originp[$count - 1] === "/")) {
        $origin = substr($origin, 0, -1);
    }
    $this->origins[strtolower($origin)] = true;
}
public function removeAccessControlAllowOrigin($origin) {
    $count = strlen($origin);
    if (($count > 0) && ($origin[$count - 1] === "/")) {
        $origin = substr($origin, 0, -1);
    }
    unset($this->origins[strtolower($origin)]);
}