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Created December 17, 2023 18:02
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<?php
declare(strict_types = 1);
/**
* Hypertext Transfer Protocol (HTTP) response status codes.
*
* @see https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
*/
enum HttpStatusCode: int
{
/**
* The server has received the request headers and the client should proceed to send the request body
* (in the case of a request for which a body needs to be sent; for example, a POST request).
* Sending a large request body to a server after a request has been rejected for inappropriate headers would be inefficient.
* To have a server check the request's headers, a client must send Expect: 100-continue as a header in its initial request
* and receive a 100 Continue status code in response before sending the body. The response 417 Expectation Failed indicates the request should not be continued.
*/
case Continue = 100;
/**
* The requester has asked the server to switch protocols and the server has agreed to do so.
*/
case SwitchingProtocols = 101;
/**
* A WebDAV request may contain many sub-requests involving file operations, requiring a long time to complete the request.
* This code indicates that the server has received and is processing the request, but no response is available yet.
* This prevents the client from timing out and assuming the request was lost.
*/
case Processing = 102;
/**
* Standard response for successful HTTP requests.
* The actual response will depend on the request method used.
* In a GET request, the response will contain an entity corresponding to the requested resource.
* In a POST request, the response will contain an entity describing or containing the result of the action.
*/
case Ok = 200;
/**
* The request has been fulfilled, resulting in the creation of a new resource.
*/
case Created = 201;
/**
* The request has been accepted for processing, but the processing has not been completed.
* The request might or might not be eventually acted upon, and may be disallowed when processing occurs.
*/
case Accepted = 202;
/**
* SINCE HTTP/1.1
* The server is a transforming proxy that received a 200 OK from its origin,
* but is returning a modified version of the origin's response.
*/
case NotAuthoritativeInformation = 203;
/**
* The server successfully processed the request and is not returning any content.
*/
case NoContent = 204;
/**
* The server successfully processed the request, but is not returning any content.
* Unlike a 204 response, this response requires that the requester reset the document view.
*/
case ResetContent = 205;
/**
* The server is delivering only part of the resource (byte serving) due to a range header sent by the client.
* The range header is used by HTTP clients to enable resuming of interrupted downloads,
* or split a download into multiple simultaneous streams.
*/
case PartialContent = 206;
/**
* The message body that follows is an XML message and can contain a number of separate response codes,
* depending on how many sub-requests were made.
*/
case MultiStatus = 207;
/**
* The members of a DAV binding have already been enumerated in a preceding part of the (multi-status) response,
* and are not being included again.
*/
case AlreadyReported = 208;
/**
* The server has fulfilled a request for the resource,
* and the response is a representation of the result of one or more instance-manipulations applied to the current instance.
*/
case ImUsed = 226;
/**
* Indicates multiple options for the resource from which the client may choose (via agent-driven content negotiation).
* For example, this code could be used to present multiple video format options,
* to list files with different filename extensions, or to suggest word-sense disambiguation.
*/
case MultipleChoices = 300;
/**
* This and all future requests should be directed to the given URI.
*/
case MovedPermanently = 301;
/**
* This is an example of industry practice contradicting the standard.
* The HTTP/1.0 specification (RFC 1945) required the client to perform a temporary redirect
* (the original describing phrase was "Moved Temporarily"), but popular browsers implemented 302
* with the functionality of a 303 See Other. Therefore, HTTP/1.1 added status codes 303 and 307
* to distinguish between the two behaviors. However, some Web applications and frameworks
* use the 302 status code as if it were the 303.
*/
case Found = 302;
/**
* SINCE HTTP/1.1
* The response to the request can be found under another URI using a GET method.
* When received in response to a POST (or PUT/DELETE), the client should presume that
* the server has received the data and should issue a redirect with a separate GET message.
*/
case SeeOther = 303;
/**
* Indicates that the resource has not been modified since the version specified by the request headers If-Modified-Since or If-None-Match.
* In such case, there is no need to retransmit the resource since the client still has a previously-downloaded copy.
*/
case NotModified = 304;
/**
* SINCE HTTP/1.1
* The requested resource is available only through a proxy, the address for which is provided in the response.
* Many HTTP clients (such as Mozilla and Internet Explorer) do not correctly handle responses with this status code, primarily for security reasons.
*/
case UseProxy = 305;
/**
* No longer used. Originally meant "Subsequent requests should use the specified proxy."
* @deprecated
*/
case SwitchProxy = 306;
/**
* SINCE HTTP/1.1
* In this case, the request should be repeated with another URI; however, future requests should still use the original URI.
* In contrast to how 302 was historically implemented, the request method is not allowed to be changed when reissuing the original request.
* For example, a POST request should be repeated using another POST request.
*/
case TemporaryRedirect = 307;
/**
* The request and all future requests should be repeated using another URI.
* 307 and 308 parallel the behaviors of 302 and 301, but do not allow the HTTP method to change.
* So, for example, submitting a form to a permanently redirected resource may continue smoothly.
*/
case PermanentRedirect = 308;
/**
* The server cannot or will not process the request due to an apparent client error
* (e.g., malformed request syntax, too large size, invalid request message framing, or deceptive request routing).
*/
case BadRequest = 400;
/**
* Similar to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet
* been provided. The response must include a WWW-Authenticate header field containing a challenge applicable to the
* requested resource. See Basic access authentication and Digest access authentication. 401 semantically means
* "unauthenticated",i.e. the user does not have the necessary credentials.
*/
case Unauthorized = 401;
/**
* Reserved for future use. The original intention was that this code might be used as part of some form of digital
* cash or micro payment scheme, but that has not happened, and this code is not usually used.
* Google Developers API uses this status if a particular developer has exceeded the daily limit on requests.
*/
case PaymentRequired = 402;
/**
* The request was valid, but the server is refusing action.
* The user might not have the necessary permissions for a resource.
*/
case Forbidden = 403;
/**
* The requested resource could not be found but may be available in the future.
* Subsequent requests by the client are permissible.
*/
case NotFound = 404;
/**
* A request method is not supported for the requested resource;
* for example, a GET request on a form that requires data to be presented via POST, or a PUT request on a read-only resource.
*/
case MethodNotAllowed = 405;
/**
* The requested resource is capable of generating only content not acceptable according to the Accept headers sent in the request.
*/
case NotAcceptable = 406;
/**
* The client must first authenticate itself with the proxy.
*/
case ProxyAuthenticationRequired = 407;
/**
* The server timed out waiting for the request.
* According to HTTP specifications:
* "The client did not produce a request within the time that the server was prepared to wait. The client MAY repeat the request without modifications at any later time."
*/
case RequestTimeout = 408;
/**
* Indicates that the request could not be processed because of conflict in the request,
* such as an edit conflict between multiple simultaneous updates.
*/
case Conflict = 409;
/**
* Indicates that the resource requested is no longer available and will not be available again.
* This should be used when a resource has been intentionally removed and the resource should be purged.
* Upon receiving a 410 status code, the client should not request the resource in the future.
* Clients such as search engines should remove the resource from their indices.
* Most use cases do not require clients and search engines to purge the resource, and a "404 Not Found" may be used instead.
*/
case Gone = 410;
/**
* The request did not specify the length of its content, which is required by the requested resource.
*/
case LengthRequired = 411;
/**
* The server does not meet one of the preconditions that the requester put on the request.
*/
case PreconditionFailed = 412;
/**
* The request is larger than the server is willing or able to process. Previously called "Request Entity Too Large".
*/
case PayloadTooLarge = 413;
/**
* The URI provided was too long for the server to process. Often the result of too much data being encoded as a query-string of a GET request,
* in which case it should be converted to a POST request.
* Called "Request-URI Too Long" previously.
*/
case UriTooLong = 414;
/**
* The request entity has a media type which the server or resource does not support.
* For example, the client uploads an image as image/svg+xml, but the server requires that images use a different format.
*/
case UnsupportedMediaType = 415;
/**
* The client has asked for a portion of the file (byte serving), but the server cannot supply that portion.
* For example, if the client asked for a part of the file that lies beyond the end of the file.
* Called "Requested Range Not Satisfiable" previously.
*/
case RangeNotSatisfiable = 416;
/**
* The server cannot meet the requirements of the Expect request-header field.
*/
case ExpectationFailed = 417;
/**
* This code was defined in 1998 as one of the traditional IETF April Fools' jokes, in RFC 2324, Hyper Text Coffee Pot Control Protocol,
* and is not expected to be implemented by actual HTTP servers. The RFC specifies this code should be returned by
* teapots requested to brew coffee. This HTTP status is used as an Easter egg in some websites, including Google.com.
*/
case IAmATeapot = 418;
/**
* The request was directed at a server that is not able to produce a response (for example because a connection reuse).
*/
case MisdirectedRequest = 421;
/**
* The request was well-formed but was unable to be followed due to semantic errors.
*/
case UnprocessableEntity = 422;
/**
* The resource that is being accessed is locked.
*/
case Locked = 423;
/**
* The request failed due to failure of a previous request (e.g., a PROP-PATCH).
*/
case FailedDependency = 424;
/**
* The client should switch to a different protocol such as TLS/1.0, given in the Upgrade header field.
*/
case UpgradeRequired = 426;
/**
* The origin server requires the request to be conditional.
* Intended to prevent "the 'lost update' problem, where a client
* GETs a resource's state, modifies it, and PUTs it back to the server,
* when meanwhile a third party has modified the state on the server, leading to a conflict."
*/
case PreconditionRequired = 428;
/**
* The user has sent too many requests in a given amount of time. Intended for use with rate-limiting schemes.
*/
case TooManyRequests = 429;
/**
* The server is unwilling to process the request because either an individual header field,
* or all the header fields collectively, are too large.
*/
case RequestHeaderFieldsTooLarge = 431;
/**
* A server operator has received a legal demand to deny access to a resource or to a set of resources
* that includes the requested resource. The code 451 was chosen as a reference to the novel Fahrenheit 451.
*/
case UnavailableForLegalReasons = 451;
/**
* A generic error message, given when an unexpected condition was encountered and no more specific message is suitable.
*/
case InternalServerError = 500;
/**
* The server either does not recognize the request method, or it lacks the ability to fulfill the request.
* Usually this implies future availability (e.g., a new feature of a web-service API).
*/
case NotImplemented = 501;
/**
* The server was acting as a gateway or proxy and received an invalid response from the upstream server.
*/
case BadGateway = 502;
/**
* The server is currently unavailable (because it is overloaded or down for maintenance).
* Generally, this is a temporary state.
*/
case ServiceUnavailable = 503;
/**
* The server was acting as a gateway or proxy and did not receive a timely response from the upstream server.
*/
case GatewayTimeout = 504;
/**
* The server does not support the HTTP protocol version used in the request
*/
case HttpVersionNotSupported = 505;
/**
* Transparent content negotiation for the request results in a circular reference.
*/
case VariantAlsoNegotiates = 506;
/**
* The server is unable to store the representation needed to complete the request.
*/
case InsufficientStorage = 507;
/**
* The server detected an infinite loop while processing the request.
*/
case LoopDetected = 508;
/**
* Further extensions to the request are required for the server to fulfill it.
*/
case NotExtended = 510;
/**
* The client needs to authenticate to gain network access.
* Intended for use by intercepting proxies used to control access to the network (e.g., "captive portals" used
* to require agreement to Terms of Service before granting full Internet access via a Wi-Fi hot-spot).
*/
case NetworkAuthenticationRequired = 511;
}
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