Deprecated: Return type of Symfony\Component\HttpFoundation\HeaderBag::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/http-foundation/HeaderBag.php on line 255

Deprecated: Return type of Symfony\Component\HttpFoundation\HeaderBag::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/http-foundation/HeaderBag.php on line 265