# \[PHP\] HTTP Status Code Definitions

**URL:** <https://forum.kirupa.com/t/php-http-status-code-definitions/290681>\
**Category:** open source\
**Created:** [June 18, 2009, 8:58am UTC](https://forum.kirupa.com/t/php-http-status-code-definitions/290681 "2009-06-18T08:58:41Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![icio](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/icio/32/484_2.png) [@icio](https://forum.kirupa.com/u/icio)\
**Post date:** [June 18, 2009, 8:58am UTC](https://forum.kirupa.com/t/php-http-status-code-definitions/290681/1 "2009-06-18T08:58:41Z")

</div>

I think I must write quite a few of these out every time I work on a PHP project. This time I’m going to write them all and save them here for future use.

I hope that they save you the bother also.

If you notice any mistakes please let me know.

```php
/*
 * ====================================
 * HTTP STATUS CODES
 */

// Informational
define('HTTP_CONTINUE', 100);
define('HTTP_SWITCHING_PROTOCOLS', 101);

// Successful
define('HTTP_OK', 200);
define('HTTP_CREATED', 201);
define('HTTP_ACCEPTED', 202);
define('HTTP_NONAUTHORITATIVE_INFORMATION', 203);
define('HTTP_NO_CONTENT', 204);
define('HTTP_RESET_CONTENT', 205);
define('HTTP_PARTIAL_CONTENT', 206);

// Redirection
define('HTTP_MULTIPLE_CHOICE', 300);
define('HTTP_MOVED_PERMANENTLY', 301);
define('HTTP_FOUND', 302);
define('HTTP_SEE_OTHER', 303);
define('HTTP_NOT_MODIFIED', 304);
define('HTTP_USE_PROXY', 305);
define('HTTP_TEMPORARY_REDIRECT', 307);

// Client Error
define('HTTP_BAD_REQUEST', 400);
define('HTTP_UNAUTHORIZED', 401);
define('HTTP_PAYMENT_REQUIRED', 402);
define('HTTP_FORBIDDEN', 403);
define('HTTP_NOT_FOUND', 404);
define('HTTP_METHOD_NOT_ALLOWED', 405);
define('HTTP_NOT_ACCEPTABLE', 406);
define('HTTP_PROXY_AUTHENTICATION_REQUIRED', 407);
define('HTTP_REQUEST_TIMEOUT', 408);
define('HTTP_CONFLICT', 409);
define('HTTP_GONE', 410);
define('HTTP_LENGTH_REQUIRED', 411);
define('HTTP_PRECONDITION_FAILED', 412);
define('HTTP_REQUEST_ENTITY_TOO_LARGE', 413);
define('HTTP_REQUEST_URI_TOO_LONG', 414);
define('HTTP_UNSUPPORTED_MEDIA_TYPE', 415);
define('HTTP_REQUESTED_RANGE_NOT_SATISFIABLE', 416);
define('HTTP_EXPECTATION_FAILED', 417);

// Server Error
define('HTTP_INTERNAL_SERVER_ERROR', 500);
define('HTTP_NOT_IMPLEMENTED', 501);
define('HTTP_BAD_GATEWAY', 502);
define('HTTP_SERVICE_UNAVAILABLE', 503);
define('HTTP_GATEWAY_TIMEOUT', 504);
define('HTTP_HTTP_VERSION_NOT_SUPPORT', 505);

```