bool hasCookie(string $key) Determine if a cookie is set on the request

void merge(array $input) Merge new input into the current request's input

bool expectsJson() Determine if the current request probably expects a

string fingerprint() Get a unique fingerprint for the request / route /

string|array input(string $key = null, string|array|null $default = null)

bool is() Determine if the current request URI matches a pattern.

array only(array|mixed $keys) Get a subset containing the provided keys

string ip() Returns the client IP address.

Response handle(Request $request) Handle an incoming HTTP request.

UploadedFile|array|null file(string $key = null, mixed $default = null)