name : EmailHasHeader.php <?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Mime\Test\Constraint; use PHPUnit\Framework\Constraint\Constraint; use Symfony\Component\Mime\RawMessage; final class EmailHasHeader extends Constraint { public function __construct( private string $headerName, ) { } public function toString(): string { return \sprintf('has header "%s"', $this->headerName); } /** * @param RawMessage $message */ protected function matches($message): bool { if (RawMessage::class === $message::class) { throw new \LogicException('Unable to test a message header on a RawMessage instance.'); } return $message->getHeaders()->has($this->headerName); } /** * @param RawMessage $message */ protected function failureDescription($message): string { return 'the Email '.$this->toString(); } }