Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires chubbyphp/chubbyphp-dev-helper dev-master -> satisfiable by chubbyphp/chubbyphp-dev-helper[dev-master]. - chubbyphp/chubbyphp-dev-helper dev-master requires php ^8.1 -> your php version (8.0.30) does not satisfy that requirement.

Escaped Mutant for Mutator "CastArray": --- Original +++ New @@ @@ throw new \LogicException(sprintf('Invalid or not supported hash algorithm: "%s"', $hashAlgorithm)); } $this->hashAlgorithm = $hashAlgorithm; - $this->mimetypes = $mimetypes ?? (array) (require __DIR__ . '/mimetypes.php'); + $this->mimetypes = $mimetypes ?? (require __DIR__ . '/mimetypes.php'); } public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface {

Escaped Mutant for Mutator "Coalesce": --- Original +++ New @@ @@ throw new \LogicException(sprintf('Invalid or not supported hash algorithm: "%s"', $hashAlgorithm)); } $this->hashAlgorithm = $hashAlgorithm; - $this->mimetypes = $mimetypes ?? (array) (require __DIR__ . '/mimetypes.php'); + $this->mimetypes = (array) (require __DIR__ . '/mimetypes.php') ?? $mimetypes; } public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface {

Escaped Mutant for Mutator "CastArray": --- Original +++ New @@ @@ throw new \LogicException(sprintf('Invalid or not supported hash algorithm: "%s"', $hashAlgorithm)); } $this->hashAlgorithm = $hashAlgorithm; - $this->mimetypes = $mimetypes ?? (array) (require __DIR__ . '/mimetypes.php'); + $this->mimetypes = $mimetypes ?? (require __DIR__ . '/mimetypes.php'); } public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface {